Merge pull request #1342 from containers/dev/tsweeney/v1.2.4

Bump to Skopeo v1.2.4, c/common to v0.38.12
2026-02-02 23:39:02 +00:00 · 2021-06-29 09:56:52 -04:00 · 2021-06-28 16:46:01 -04:00 · 2021-06-28 13:49:53 -04:00 · 2021-06-25 19:35:40 -04:00 · 2021-03-11 15:04:36 -05:00
44 changed files with 250 additions and 908 deletions
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -1,167 +0,0 @@
---
-
-# Main collection of env. vars to set for all tasks and scripts.
-env:
-    ####
-    #### Global variables used for all tasks
-    ####
-    # Name of the ultimate destination branch for this CI run, PR or post-merge.
-    DEST_BRANCH: "main"
-    # Overrides default location (/tmp/cirrus) for repo clone
-    GOPATH: &gopath "/var/tmp/go"
-    GOBIN: "${GOPATH}/bin"
-    GOCACHE: "${GOPATH}/cache"
-    GOSRC: &gosrc "/var/tmp/go/src/github.com/containers/skopeo"
-    # Required for consistency with containers/image CI
-    SKOPEO_PATH: *gosrc
-    CIRRUS_WORKING_DIR: *gosrc
-    # The default is 'sh' if unspecified
-    CIRRUS_SHELL: "/bin/bash"
-    # Save a little typing (path relative to $CIRRUS_WORKING_DIR)
-    SCRIPT_BASE: "./contrib/cirrus"
-
-    ####
-    #### Cache-image names to test with (double-quotes around names are critical)
-    ####
-    FEDORA_NAME: "fedora-34"
-    PRIOR_FEDORA_NAME: "fedora-33"
-    UBUNTU_NAME: "ubuntu-2104"
-    PRIOR_UBUNTU_NAME: "ubuntu-2010"
-
-    # Google-cloud VM Images
-    IMAGE_SUFFIX: "c6032583541653504"
-    FEDORA_CACHE_IMAGE_NAME: "fedora-${IMAGE_SUFFIX}"
-    PRIOR_FEDORA_CACHE_IMAGE_NAME: "prior-fedora-${IMAGE_SUFFIX}"
-    UBUNTU_CACHE_IMAGE_NAME: "ubuntu-${IMAGE_SUFFIX}"
-    PRIOR_UBUNTU_CACHE_IMAGE_NAME: "prior-ubuntu-${IMAGE_SUFFIX}"
-
-    # Container FQIN's
-    FEDORA_CONTAINER_FQIN: "quay.io/libpod/fedora_podman:${IMAGE_SUFFIX}"
-    PRIOR_FEDORA_CONTAINER_FQIN: "quay.io/libpod/prior-fedora_podman:${IMAGE_SUFFIX}"
-    UBUNTU_CONTAINER_FQIN: "quay.io/libpod/ubuntu_podman:${IMAGE_SUFFIX}"
-    PRIOR_UBUNTU_CONTAINER_FQIN: "quay.io/libpod/prior-ubuntu_podman:${IMAGE_SUFFIX}"
-
-    # Equivilent to image produced by 'make build-container'
-    SKOPEO_CI_CONTAINER_FQIN: "quay.io/skopeo/ci:${DEST_BRANCH}"
-
-
-# Default timeout for each task
-timeout_in: 45m
-
-
-gcp_credentials: ENCRYPTED[52d9e807b531b37ab14e958cb5a72499460663f04c8d73e22ad608c027a31118420f1c80f0be0882fbdf96f49d8f9ac0]
-
-
-validate_task:
-    # The git-validation tool doesn't work well on branch or tag push,
-    # under Cirrus-CI, due to challenges obtaining the starting commit ID.
-    # Only do validation for PRs.
-    only_if: $CIRRUS_PR != ''
-    container:  &build_container
-        image: "${SKOPEO_CI_CONTAINER_FQIN}"
-        cpu: 4
-        memory: 8
-    script: make validate-local
-
-
-cross_task:
-    macos_instance:
-        image: catalina-xcode
-    setup_script: |
-        export PATH=$GOPATH/bin:$PATH
-        brew install gpgme go go-md2man
-        go get -u golang.org/x/lint/golint
-    test_script: |
-        export PATH=$GOPATH/bin:$PATH
-        go version
-        go env
-        make validate-local test-unit-local bin/skopeo
-        sudo make install
-        /usr/local/bin/skopeo -v
-
-
-#####
-##### NOTE: This task is subtantially duplicated in the containers/image
-##### repository's `.cirrus.yml`.  Changes made here should be fully merged
-##### prior to being manually duplicated and maintained in containers/image.
-#####
-test_skopeo_task:
-    alias: test_skopeo
-    depends_on:
-        - validate
-    gce_instance:
-        image_project: libpod-218412
-        zone: "us-central1-f"
-        cpu: 2
-        memory: "4Gb"
-        # Required to be 200gig, do not modify - has i/o performance impact
-        # according to gcloud CLI tool warning messages.
-        disk: 200
-        image_name: ${FEDORA_CACHE_IMAGE_NAME}
-    matrix:
-        - name: "Skopeo Test"
-          env:
-              BUILDTAGS: 'btrfs_noversion libdm_no_deferred_remove'
-        - name: "Skopeo Test w/ opengpg"
-          env:
-              BUILDTAGS: 'btrfs_noversion libdm_no_deferred_remove containers_image_openpgp'
-    setup_script: >-
-        "${GOSRC}/${SCRIPT_BASE}/runner.sh" setup
-    vendor_script: >-
-        "${SKOPEO_PATH}/${SCRIPT_BASE}/runner.sh" vendor
-    build_script: >-
-        "${SKOPEO_PATH}/${SCRIPT_BASE}/runner.sh" build
-    validate_script: >-
-        "${SKOPEO_PATH}/${SCRIPT_BASE}/runner.sh" validate
-    unit_script: >-
-        "${SKOPEO_PATH}/${SCRIPT_BASE}/runner.sh" unit
-    integration_script: >-
-        "${SKOPEO_PATH}/${SCRIPT_BASE}/runner.sh" integration
-    system_script: >
-        "${SKOPEO_PATH}/${SCRIPT_BASE}/runner.sh" system
-
-
-# This task is critical.  It updates the "last-used by" timestamp stored
-# in metadata for all VM images.  This mechanism functions in tandem with
-# an out-of-band pruning operation to remove disused VM images.
-meta_task:
-    name: "VM img. keepalive"
-    alias: meta
-    container: &smallcontainer
-        cpu: 2
-        memory: 2
-        image: quay.io/libpod/imgts:$IMAGE_SUFFIX
-    env:
-        # Space-separated list of images used by this repository state
-        IMGNAMES: >-
-            ${FEDORA_CACHE_IMAGE_NAME}
-            ${PRIOR_FEDORA_CACHE_IMAGE_NAME}
-            ${UBUNTU_CACHE_IMAGE_NAME}
-            ${PRIOR_UBUNTU_CACHE_IMAGE_NAME}
-        BUILDID: "${CIRRUS_BUILD_ID}"
-        REPOREF: "${CIRRUS_REPO_NAME}"
-        GCPJSON: ENCRYPTED[6867b5a83e960e7c159a98fe6c8360064567a071c6f4b5e7d532283ecd870aa65c94ccd74bdaa9bf7aadac9d42e20a67]
-        GCPNAME: ENCRYPTED[1cf558ae125e3c39ec401e443ad76452b25d790c45eb73d77c83eb059a0f7fd5085ef7e2f7e410b04ea6e83b0aab2eb1]
-        GCPPROJECT: libpod-218412
-    clone_script: &noop mkdir -p "$CIRRUS_WORKING_DIR"
-    script: /usr/local/bin/entrypoint.sh
-
-
-# Status aggregator for all tests.  This task simply ensures a defined
-# set of tasks all passed, and allows confirming that based on the status
-# of this task.
-success_task:
-    name: "Total Success"
-    alias: success
-    # N/B: ALL tasks must be listed here, minus their '_task' suffix.
-    depends_on:
-        - validate
-        - cross
-        - test_skopeo
-        - meta
-    container: *smallcontainer
-    env:
-        CTR_FQIN: ${FEDORA_CONTAINER_FQIN}
-        TEST_ENVIRON: container
-    clone_script: *noop
-    script: /bin/true
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,10 +0,0 @@
-version: 2
-updates:
- package-ecosystem: gomod
-  directory: "/"
-  schedule:
-    interval: daily
-    time: "10:00"
-    timezone: Europe/Berlin
-  open-pull-requests-limit: 10
-
--- a/.github/workflow/stale.yml
+++ b/.github/workflow/stale.yml
@@ -1,25 +0,0 @@
-name: Mark stale issues and pull requests
-
-# Please refer to https://github.com/actions/stale/blob/master/action.yml
-# to see all config knobs of the stale action.
-
-on:
-  schedule:
-  - cron: "0 0 * * *"
-
-jobs:
-  stale:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/stale@v1
-      with:
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
-        stale-issue-message: 'A friendly reminder that this issue had no activity for 30 days.'
-        stale-pr-message: 'A friendly reminder that this PR had no activity for 30 days.'
-        stale-issue-label: 'stale-issue'
-        stale-pr-label: 'stale-pr'
-        days-before-stale: 30
-        days-before-close: 365
-        remove-stale-when-updated: true
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,3 @@ result

 # ignore JetBrains IDEs (GoLand) config folder
 .idea
-
-# Ignore the bin directory
-bin
--- a/.travis.yml
+++ b/.travis.yml
@@ -40,6 +40,8 @@ x_base_steps:

 # Just declaration of stage order to run
 stages:
+  # Test for local build
+  - local-build
  # Build and push image for 1 architecture
  - name: image-build-push
    if: branch = master
@@ -50,6 +52,30 @@ stages:
 # Actual execution of steps
 jobs:
  include:
+    # Run 2 local-build steps in parallel for osx and linux/amd64 platforms
+    - stage: local-build
+      <<: *local-build
+      name: local build for osx
+      os: osx
+      osx_image: xcode11.3
+      install:
+        # Ideally, the (brew update) should not be necessary and Travis would have fairly
+        # frequently updated OS images; that's not been the case historically.
+        # In particular, explicitly unlink python@2, which has been removed from Homebrew
+        # since the last OS image build (as of July 2020), but the Travis OS still
+        # contains it, and it prevents updating of Python 3.
+      - brew update && brew unlink python@2 && brew install gpgme
+      script:
+      - hack/travis_osx.sh
+    - stage: local-build
+      <<: *local-build
+      name: local build for linux
+      os: linux
+      services:
+      - docker
+      script: 
+      - make vendor && ./hack/tree_status.sh && make local-cross && make check
+
    # Run 3 image-build-push tasks in parallel for linux/amd64, linux/s390x and linux/ppc64le platforms (for upstream and stable)
    - stage: image-build-push
      <<: *image-build-push
--- a/3
+++ b/3
@@ -21,7 +21,6 @@ RUN dnf -y update && dnf install -y make git golang golang-github-cpuguy83-md2ma
 # both. This allows integration-cli tests to cover push/pull with both schema1
 # and schema2 manifests.
 RUN set -x \
-	&& export GO111MODULE=off \
 	&& REGISTRY_COMMIT_SCHEMA1=ec87e9b6971d831f0eff752ddb54fb64693e51cd \
 	&& REGISTRY_COMMIT=47a064d4195a9b56133891bbb13620c3ac83a827 \
 	&& export GOPATH="$(mktemp -d)" \
@@ -35,7 +34,6 @@ RUN set -x \
 	&& rm -rf "$GOPATH"

 RUN set -x \
-	&& export GO111MODULE=off \
 	&& export GOPATH=$(mktemp -d) \
 	&& git clone --depth 1 -b v1.5.0-alpha.3 git://github.com/openshift/origin "$GOPATH/src/github.com/openshift/origin" \
 	# The sed edits out a "go < 1.5" check which works incorrectly with go ≥ 1.10. \
@@ -48,7 +46,6 @@ RUN set -x \

 ENV GOPATH /usr/share/gocode:/go
 ENV PATH $GOPATH/bin:/usr/share/gocode/bin:$PATH
-ENV container_magic 85531765-346b-4316-bdb8-358e4cca9e5d
 RUN go version
 WORKDIR /go/src/github.com/containers/skopeo
 COPY . /go/src/github.com/containers/skopeo
--- a/Dockerfile.build
+++ b/Dockerfile.build
@@ -1,12 +1,9 @@
-FROM registry.fedoraproject.org/fedora:33
+FROM golang:1.14-buster

-RUN dnf update -y && \
-        dnf install -y \
-        btrfs-progs-devel \
-        device-mapper-devel \
-        golang \
-        gpgme-devel \
-        make
+RUN apt-get update && \
+    apt-get install -y \
+        libdevmapper-dev \
+        libgpgme11-dev

 ENV GOPATH=/
 WORKDIR /src/github.com/containers/skopeo
--- a/70
+++ b/70
@@ -2,23 +2,26 @@

 export GOPROXY=https://proxy.golang.org

-# On some plaforms (eg. macOS, FreeBSD) gpgme is installed in /usr/local/ but /usr/local/include/ is
-# not in the default search path. Rather than hard-code this directory, use gpgme-config.
-# Sadly that must be done at the top-level user instead of locally in the gpgme subpackage, because cgo
-# supports only pkg-config, not general shell scripts, and gpgme does not install a pkg-config file.
+ifeq ($(shell uname),Darwin)
+PREFIX ?= ${DESTDIR}/usr/local
+DARWIN_BUILD_TAG=
+# On macOS, (brew install gpgme) installs it within /usr/local, but /usr/local/include is not in the default search path.
+# Rather than hard-code this directory, use gpgme-config. Sadly that must be done at the top-level user
+# instead of locally in the gpgme subpackage, because cgo supports only pkg-config, not general shell scripts,
+# and gpgme does not install a pkg-config file.
 # If gpgme is not installed or gpgme-config can’t be found for other reasons, the error is silently ignored
 # (and the user will probably find out because the cgo compilation will fail).
 GPGME_ENV := CGO_CFLAGS="$(shell gpgme-config --cflags 2>/dev/null)" CGO_LDFLAGS="$(shell gpgme-config --libs 2>/dev/null)"
+else
+PREFIX ?= ${DESTDIR}/usr
+endif

-# Normally empty, DESTDIR can be used to relocate the entire install-tree
-DESTDIR ?=
-CONTAINERSCONFDIR ?= ${DESTDIR}/etc/containers
-REGISTRIESDDIR ?= ${CONTAINERSCONFDIR}/registries.d
-SIGSTOREDIR ?= ${DESTDIR}/var/lib/containers/sigstore
-PREFIX ?= ${DESTDIR}/usr/local
-BINDIR ?= ${PREFIX}/bin
-MANDIR ?= ${PREFIX}/share/man
-BASHCOMPLETIONSDIR ?= ${PREFIX}/share/bash-completion/completions
+INSTALLDIR=${PREFIX}/bin
+MANINSTALLDIR=${PREFIX}/share/man
+CONTAINERSSYSCONFIGDIR=${DESTDIR}/etc/containers
+REGISTRIESDDIR=${CONTAINERSSYSCONFIGDIR}/registries.d
+SIGSTOREDIR=${DESTDIR}/var/lib/containers/sigstore
+BASHINSTALLDIR=${PREFIX}/share/bash-completion/completions

 GO ?= go
 GOBIN := $(shell $(GO) env GOBIN)
@@ -29,10 +32,6 @@ ifeq ($(GOBIN),)
 GOBIN := $(GOPATH)/bin
 endif

-# Required for integration-tests to detect they are running inside a specific
-# container image.  Env. var defined in image, make does not automatically
-# pass to children unless explicitly exported
-export container_magic
 CONTAINER_RUNTIME := $(shell command -v podman 2> /dev/null || echo docker)
 GOMD2MAN ?= $(shell command -v go-md2man || echo '$(GOBIN)/go-md2man')

@@ -76,7 +75,7 @@ MANPAGES ?= $(MANPAGES_MD:%.md=%)

 BTRFS_BUILD_TAG = $(shell hack/btrfs_tag.sh) $(shell hack/btrfs_installed_tag.sh)
 LIBDM_BUILD_TAG = $(shell hack/libdm_tag.sh)
-LOCAL_BUILD_TAGS = $(BTRFS_BUILD_TAG) $(LIBDM_BUILD_TAG)
+LOCAL_BUILD_TAGS = $(BTRFS_BUILD_TAG) $(LIBDM_BUILD_TAG) $(DARWIN_BUILD_TAG)
 BUILDTAGS += $(LOCAL_BUILD_TAGS)

 ifeq ($(DISABLE_CGO), 1)
@@ -115,11 +114,8 @@ binary: cmd/skopeo
 # Update nix/nixpkgs.json its latest stable commit
 .PHONY: nixpkgs
 nixpkgs:
-	@nix run \
-		-f channel:nixos-20.09 nix-prefetch-git \
-		-c nix-prefetch-git \
-		--no-deepClone \
-		https://github.com/nixos/nixpkgs refs/heads/nixos-20.09 > nix/nixpkgs.json
+	@nix run -f channel:nixos-20.09 nix-prefetch-git -c nix-prefetch-git \
+		--no-deepClone https://github.com/nixos/nixpkgs > nix/nixpkgs.json

 # Build statically linked binary
 .PHONY: static
@@ -154,22 +150,22 @@ clean:

 install: install-binary install-docs install-completions
 	install -d -m 755 ${SIGSTOREDIR}
-	install -d -m 755 ${CONTAINERSCONFDIR}
-	install -m 644 default-policy.json ${CONTAINERSCONFDIR}/policy.json
+	install -d -m 755 ${CONTAINERSSYSCONFIGDIR}
+	install -m 644 default-policy.json ${CONTAINERSSYSCONFIGDIR}/policy.json
 	install -d -m 755 ${REGISTRIESDDIR}
 	install -m 644 default.yaml ${REGISTRIESDDIR}/default.yaml

 install-binary: bin/skopeo
-	install -d -m 755 ${BINDIR}
-	install -m 755 bin/skopeo ${BINDIR}/skopeo
+	install -d -m 755 ${INSTALLDIR}
+	install -m 755 bin/skopeo ${INSTALLDIR}/skopeo

 install-docs: docs
-	install -d -m 755 ${MANDIR}/man1
-	install -m 644 docs/*.1 ${MANDIR}/man1
+	install -d -m 755 ${MANINSTALLDIR}/man1
+	install -m 644 docs/*.1 ${MANINSTALLDIR}/man1/

 install-completions:
-	install -m 755 -d ${BASHCOMPLETIONSDIR}
-	install -m 644 completions/bash/skopeo ${BASHCOMPLETIONSDIR}/skopeo
+	install -m 755 -d ${BASHINSTALLDIR}
+	install -m 644 completions/bash/skopeo ${BASHINSTALLDIR}/skopeo

 shell: build-container
 	$(CONTAINER_RUN) bash
@@ -178,11 +174,7 @@ check: validate test-unit test-integration test-system

 # The tests can run out of entropy and block in containers, so replace /dev/random.
 test-integration: build-container
-	$(CONTAINER_RUN) bash -c 'rm -f /dev/random; ln -sf /dev/urandom /dev/random; SKOPEO_CONTAINER_TESTS=1 BUILDTAGS="$(BUILDTAGS)" $(MAKE) test-integration-local'
-
-# Intended for CI, shortcut 'build-container' since already running inside container.
-test-integration-local:
-	hack/make.sh test-integration
+	$(CONTAINER_RUN) bash -c 'rm -f /dev/random; ln -sf /dev/urandom /dev/random; SKOPEO_CONTAINER_TESTS=1 BUILDTAGS="$(BUILDTAGS)" hack/make.sh test-integration'

 # complicated set of options needed to run podman-in-podman
 test-system: build-container
@@ -190,15 +182,11 @@ test-system: build-container
 	$(CONTAINER_CMD) --privileged \
 	    -v $$DTEMP:/var/lib/containers:Z -v /run/systemd/journal/socket:/run/systemd/journal/socket \
            "$(IMAGE)" \
-            bash -c 'BUILDTAGS="$(BUILDTAGS)" $(MAKE) test-system-local'; \
+            bash -c 'BUILDTAGS="$(BUILDTAGS)" hack/make.sh test-system'; \
 	rc=$$?; \
 	$(RM) -rf $$DTEMP; \
 	exit $$rc

-# Intended for CI, shortcut 'build-container' since already running inside container.
-test-system-local:
-	hack/make.sh test-system
-
 test-unit: build-container
 	# Just call (make test unit-local) here instead of worrying about environment differences
 	$(CONTAINER_RUN) make test-unit-local BUILDTAGS='$(BUILDTAGS)'
--- a/README.md
+++ b/README.md
@@ -166,11 +166,11 @@ $ skopeo sync --src docker --dest dir registry.example.com/busybox /media/usb
 skopeo uses credentials from the --creds (for skopeo inspect|delete) or --src-creds|--dest-creds (for skopeo copy) flags, if set; otherwise it uses configuration set by skopeo login, podman login, buildah login, or docker login.

 ```console
-$ skopeo login --username USER myregistrydomain.com:5000
+$ skopeo login --username USER docker://myregistrydomain.com:5000
 Password:
 $ skopeo inspect docker://myregistrydomain.com:5000/busybox
 {"Tag":"latest","Digest":"sha256:473bb2189d7b913ed7187a33d11e743fdc2f88931122a44d91a301b64419f092","RepoTags":["latest"],"Comment":"","Created":"2016-01-15T18:06:41.282540103Z","ContainerConfig":{"Hostname":"aded96b43f48","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":null,"Cmd":["/bin/sh","-c","#(nop) CMD [\"sh\"]"],"Image":"9e77fef7a1c9f989988c06620dabc4020c607885b959a2cbd7c2283c91da3e33","Volumes":null,"WorkingDir":"","Entrypoint":null,"OnBuild":null,"Labels":null},"DockerVersion":"1.8.3","Author":"","Config":{"Hostname":"aded96b43f48","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":null,"Cmd":["sh"],"Image":"9e77fef7a1c9f989988c06620dabc4020c607885b959a2cbd7c2283c91da3e33","Volumes":null,"WorkingDir":"","Entrypoint":null,"OnBuild":null,"Labels":null},"Architecture":"amd64","Os":"linux"}
-$ skopeo logout myregistrydomain.com:5000
+$ skopeo logout docker://myregistrydomain.com:5000
 ```

 #### Using --creds directly
--- a/cmd/skopeo/copy.go
+++ b/cmd/skopeo/copy.go
@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"strings"

 	"github.com/containers/common/pkg/retry"
@@ -13,9 +12,11 @@ import (
 	"github.com/containers/image/v5/manifest"
 	"github.com/containers/image/v5/transports"
 	"github.com/containers/image/v5/transports/alltransports"
+	"github.com/spf13/cobra"
+
 	encconfig "github.com/containers/ocicrypt/config"
 	enchelpers "github.com/containers/ocicrypt/helpers"
-	"github.com/spf13/cobra"
+	imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
 )

 type copyOptions struct {
@@ -26,7 +27,6 @@ type copyOptions struct {
 	additionalTags    []string       // For docker-archive: destinations, in addition to the name:tag specified as destination, also add these
 	removeSignatures  bool           // Do not copy signatures from the source image
 	signByFingerprint string         // Sign the image using a GPG key with the specified fingerprint
-	digestFile        string         // Write digest to this file
 	format            optionalString // Force conversion of the image to a specified format
 	quiet             bool           // Suppress output information when copying images
 	all               bool           // Copy all of the images if the source is a list
@@ -69,7 +69,6 @@ See skopeo(1) section "IMAGE NAMES" for the expected format
 	flags.BoolVarP(&opts.all, "all", "a", false, "Copy all images if SOURCE-IMAGE is a list")
 	flags.BoolVar(&opts.removeSignatures, "remove-signatures", false, "Do not copy signatures from SOURCE-IMAGE")
 	flags.StringVar(&opts.signByFingerprint, "sign-by", "", "Sign the image using a GPG key with the specified `FINGERPRINT`")
-	flags.StringVar(&opts.digestFile, "digestfile", "", "Write the digest of the pushed image to the specified file")
 	flags.VarP(newOptionalStringValue(&opts.format), "format", "f", `MANIFEST TYPE (oci, v2s1, or v2s2) to use when saving image to directory using the 'dir:' transport (default is manifest type of source)`)
 	flags.StringSliceVar(&opts.encryptionKeys, "encryption-key", []string{}, "*Experimental* key with the encryption protocol to use needed to encrypt the image (e.g. jwe:/path/to/key.pem)")
 	flags.IntSliceVar(&opts.encryptLayer, "encrypt-layer", []int{}, "*Experimental* the 0-indexed layer indices, with support for negative indexing (e.g. 0 is the first layer, -1 is the last layer)")
@@ -113,9 +112,15 @@ func (opts *copyOptions) run(args []string, stdout io.Writer) error {

 	var manifestType string
 	if opts.format.present {
-		manifestType, err = parseManifestFormat(opts.format.value)
-		if err != nil {
-			return err
+		switch opts.format.value {
+		case "oci":
+			manifestType = imgspecv1.MediaTypeImageManifest
+		case "v2s1":
+			manifestType = manifest.DockerV2Schema1SignedMediaType
+		case "v2s2":
+			manifestType = manifest.DockerV2Schema2MediaType
+		default:
+			return fmt.Errorf("unknown format %q. Choose one of the supported formats: 'oci', 'v2s1', or 'v2s2'", opts.format.value)
 		}
 	}

@@ -179,7 +184,7 @@ func (opts *copyOptions) run(args []string, stdout io.Writer) error {
 	}

 	return retry.RetryIfNecessary(ctx, func() error {
-		manifestBytes, err := copy.Image(ctx, policyContext, destRef, srcRef, &copy.Options{
+		_, err = copy.Image(ctx, policyContext, destRef, srcRef, &copy.Options{
 			RemoveSignatures:      opts.removeSignatures,
 			SignBy:                opts.signByFingerprint,
 			ReportWriter:          stdout,
@@ -191,18 +196,6 @@ func (opts *copyOptions) run(args []string, stdout io.Writer) error {
 			OciEncryptLayers:      encLayers,
 			OciEncryptConfig:      encConfig,
 		})
-		if err != nil {
-			return err
-		}
-		if opts.digestFile != "" {
-			manifestDigest, err := manifest.Digest(manifestBytes)
-			if err != nil {
-				return err
-			}
-			if err = ioutil.WriteFile(opts.digestFile, []byte(manifestDigest.String()), 0644); err != nil {
-				return fmt.Errorf("Failed to write digest to file %q: %w", opts.digestFile, err)
-			}
-		}
-		return nil
+		return err
 	}, opts.retryOpts)
 }
--- a/cmd/skopeo/main.go
+++ b/cmd/skopeo/main.go
@@ -17,8 +17,6 @@ import (
 // and will be populated by the Makefile
 var gitCommit = ""

-var defaultUserAgent = "skopeo/" + version.Version
-
 type globalOptions struct {
 	debug              bool          // Enable debug output
 	tlsVerify          optionalBool  // Require HTTPS and verify certificates (for docker: and docker-daemon:)
@@ -145,7 +143,6 @@ func (opts *globalOptions) newSystemContext() *types.SystemContext {
 		VariantChoice:            opts.overrideVariant,
 		SystemRegistriesConfPath: opts.registriesConfPath,
 		BigFilesTemporaryDir:     opts.tmpDir,
-		DockerRegistryUserAgent:  defaultUserAgent,
 	}
 	// DEPRECATED: We support this for backward compatibility, but override it if a per-image flag is provided.
 	if opts.tlsVerify.present {
--- a/cmd/skopeo/main_test.go
+++ b/cmd/skopeo/main_test.go
@@ -23,10 +23,7 @@ func TestGlobalOptionsNewSystemContext(t *testing.T) {
 	// Default state
 	opts, _ := fakeGlobalOptions(t, []string{})
 	res := opts.newSystemContext()
-	assert.Equal(t, &types.SystemContext{
-		// User-Agent is set by default.
-		DockerRegistryUserAgent: defaultUserAgent,
-	}, res)
+	assert.Equal(t, &types.SystemContext{}, res)
 	// Set everything to non-default values.
 	opts, _ = fakeGlobalOptions(t, []string{
 		"--registries.d", "/srv/registries.d",
@@ -46,6 +43,5 @@ func TestGlobalOptionsNewSystemContext(t *testing.T) {
 		BigFilesTemporaryDir:        "/srv",
 		SystemRegistriesConfPath:    "/srv/registries.conf",
 		DockerInsecureSkipTLSVerify: types.OptionalBoolTrue,
-		DockerRegistryUserAgent:     defaultUserAgent,
 	}, res)
 }
--- a/cmd/skopeo/sync.go
+++ b/cmd/skopeo/sync.go
@@ -31,13 +31,12 @@ type syncOptions struct {
 	srcImage          *imageOptions     // Source image options
 	destImage         *imageDestOptions // Destination image options
 	retryOpts         *retry.RetryOptions
-	removeSignatures  bool           // Do not copy signatures from the source image
-	signByFingerprint string         // Sign the image using a GPG key with the specified fingerprint
-	format            optionalString // Force conversion of the image to a specified format
-	source            string         // Source repository name
-	destination       string         // Destination registry name
-	scoped            bool           // When true, namespace copied images at destination using the source repository name
-	all               bool           // Copy all of the images if an image in the source is a list
+	removeSignatures  bool   // Do not copy signatures from the source image
+	signByFingerprint string // Sign the image using a GPG key with the specified fingerprint
+	source            string // Source repository name
+	destination       string // Destination registry name
+	scoped            bool   // When true, namespace copied images at destination using the source repository name
+	all               bool   // Copy all of the images if an image in the source is a list
 }

 // repoDescriptor contains information of a single repository used as a sync source.
@@ -47,7 +46,7 @@ type repoDescriptor struct {
 	Context     *types.SystemContext   // SystemContext for the sync command
 }

-// tlsVerifyConfig is an implementation of the Unmarshaler interface, used to
+// tlsVerify is an implementation of the Unmarshaler interface, used to
 // customize the unmarshaling behaviour of the tls-verify YAML key.
 type tlsVerifyConfig struct {
 	skip types.OptionalBool // skip TLS verification check (false by default)
@@ -96,7 +95,6 @@ See skopeo-sync(1) for details.
 	flags := cmd.Flags()
 	flags.BoolVar(&opts.removeSignatures, "remove-signatures", false, "Do not copy signatures from SOURCE images")
 	flags.StringVar(&opts.signByFingerprint, "sign-by", "", "Sign the image using a GPG key with the specified `FINGERPRINT`")
-	flags.VarP(newOptionalStringValue(&opts.format), "format", "f", `MANIFEST TYPE (oci, v2s1, or v2s2) to use when syncing image(s) to a destination (default is manifest type of source)`)
 	flags.StringVarP(&opts.source, "src", "s", "", "SOURCE transport type")
 	flags.StringVarP(&opts.destination, "dest", "d", "", "DESTINATION transport type")
 	flags.BoolVar(&opts.scoped, "scoped", false, "Images at DESTINATION are prefix using the full source image path as scope")
@@ -108,7 +106,7 @@ See skopeo-sync(1) for details.
 	return cmd
 }

-// UnmarshalYAML is the implementation of the Unmarshaler interface method
+// unmarshalYAML is the implementation of the Unmarshaler interface method
 // method for the tlsVerifyConfig type.
 // It unmarshals the 'tls-verify' YAML key so that, when they key is not
 // specified, tls verification is enforced.
@@ -240,7 +238,7 @@ func imagesToCopyFromRepo(sys *types.SystemContext, repoRef reference.Named) ([]
 	return sourceReferences, nil
 }

-// imagesToCopyFromDir builds a list of image references from the images found
+// imagesTopCopyFromDir builds a list of image references from the images found
 // in the source directory.
 // It returns an image reference slice with as many elements as the images found
 // and any error encountered.
@@ -270,7 +268,7 @@ func imagesToCopyFromDir(dirPath string) ([]types.ImageReference, error) {
 	return sourceReferences, nil
 }

-// imagesToCopyFromRegistry builds a list of repository descriptors from the images
+// imagesTopCopyFromDir builds a list of repository descriptors from the images
 // in a registry configuration.
 // It returns a repository descriptors slice with as many elements as the images
 // found and any error encountered. Each element of the slice is a list of
@@ -538,14 +536,6 @@ func (opts *syncOptions) run(args []string, stdout io.Writer) error {
 		return err
 	}

-	var manifestType string
-	if opts.format.present {
-		manifestType, err = parseManifestFormat(opts.format.value)
-		if err != nil {
-			return err
-		}
-	}
-
 	ctx, cancel := opts.global.commandTimeoutContext()
 	defer cancel()

@@ -566,13 +556,11 @@ func (opts *syncOptions) run(args []string, stdout io.Writer) error {

 	imagesNumber := 0
 	options := copy.Options{
-		RemoveSignatures:                      opts.removeSignatures,
-		SignBy:                                opts.signByFingerprint,
-		ReportWriter:                          os.Stdout,
-		DestinationCtx:                        destinationCtx,
-		ImageListSelection:                    imageListSelection,
-		OptimizeDestinationImageAlreadyExists: true,
-		ForceManifestMIMEType:                 manifestType,
+		RemoveSignatures:   opts.removeSignatures,
+		SignBy:             opts.signByFingerprint,
+		ReportWriter:       os.Stdout,
+		DestinationCtx:     destinationCtx,
+		ImageListSelection: imageListSelection,
 	}

 	for _, srcRepo := range srcRepoList {
--- a/cmd/skopeo/utils.go
+++ b/cmd/skopeo/utils.go
@@ -2,17 +2,14 @@ package main

 import (
 	"context"
-	"fmt"
 	"io"
 	"os"
 	"strings"

 	"github.com/containers/common/pkg/retry"
-	"github.com/containers/image/v5/manifest"
 	"github.com/containers/image/v5/pkg/compression"
 	"github.com/containers/image/v5/transports/alltransports"
 	"github.com/containers/image/v5/types"
-	imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
@@ -249,21 +246,6 @@ func parseImageSource(ctx context.Context, opts *imageOptions, name string) (typ
 	return ref.NewImageSource(ctx, sys)
 }

-// parseManifestFormat parses format parameter for copy and sync command.
-// It returns string value to use as manifest MIME type
-func parseManifestFormat(manifestFormat string) (string, error) {
-	switch manifestFormat {
-	case "oci":
-		return imgspecv1.MediaTypeImageManifest, nil
-	case "v2s1":
-		return manifest.DockerV2Schema1SignedMediaType, nil
-	case "v2s2":
-		return manifest.DockerV2Schema2MediaType, nil
-	default:
-		return "", fmt.Errorf("unknown format %q. Choose one of the supported formats: 'oci', 'v2s1', or 'v2s2'", manifestFormat)
-	}
-}
-
 // usageTemplate returns the usage template for skopeo commands
 // This blocks the displaying of the global options. The main skopeo
 // command should not use this.
--- a/cmd/skopeo/utils_test.go
+++ b/cmd/skopeo/utils_test.go
@@ -4,9 +4,7 @@ import (
 	"os"
 	"testing"

-	"github.com/containers/image/v5/manifest"
 	"github.com/containers/image/v5/types"
-	imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
 	"github.com/spf13/cobra"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -39,9 +37,7 @@ func TestImageOptionsNewSystemContext(t *testing.T) {
 	opts := fakeImageOptions(t, "dest-", []string{}, []string{})
 	res, err := opts.newSystemContext()
 	require.NoError(t, err)
-	assert.Equal(t, &types.SystemContext{
-		DockerRegistryUserAgent: defaultUserAgent,
-	}, res)
+	assert.Equal(t, &types.SystemContext{}, res)

 	// Set everything to non-default values.
 	opts = fakeImageOptions(t, "dest-", []string{
@@ -76,7 +72,6 @@ func TestImageOptionsNewSystemContext(t *testing.T) {
 		DockerDaemonCertPath:              "/srv/cert-dir",
 		DockerDaemonHost:                  "daemon-host.example.com",
 		DockerDaemonInsecureSkipTLSVerify: true,
-		DockerRegistryUserAgent:           defaultUserAgent,
 		BigFilesTemporaryDir:              "/srv",
 	}, res)

@@ -134,9 +129,7 @@ func TestImageDestOptionsNewSystemContext(t *testing.T) {
 	opts := fakeImageDestOptions(t, "dest-", []string{}, []string{})
 	res, err := opts.newSystemContext()
 	require.NoError(t, err)
-	assert.Equal(t, &types.SystemContext{
-		DockerRegistryUserAgent: defaultUserAgent,
-	}, res)
+	assert.Equal(t, &types.SystemContext{}, res)

 	oldXRD, hasXRD := os.LookupEnv("REGISTRY_AUTH_FILE")
 	defer func() {
@@ -156,10 +149,7 @@ func TestImageDestOptionsNewSystemContext(t *testing.T) {
 	})
 	res, err = opts.newSystemContext()
 	require.NoError(t, err)
-	assert.Equal(t, &types.SystemContext{
-		AuthFilePath:            authFile,
-		DockerRegistryUserAgent: defaultUserAgent,
-	}, res)
+	assert.Equal(t, &types.SystemContext{AuthFilePath: authFile}, res)

 	// Set everything to non-default values.
 	opts = fakeImageDestOptions(t, "dest-", []string{
@@ -194,7 +184,6 @@ func TestImageDestOptionsNewSystemContext(t *testing.T) {
 		DockerDaemonCertPath:              "/srv/cert-dir",
 		DockerDaemonHost:                  "daemon-host.example.com",
 		DockerDaemonInsecureSkipTLSVerify: true,
-		DockerRegistryUserAgent:           defaultUserAgent,
 		DirForceCompress:                  true,
 		BigFilesTemporaryDir:              "/srv",
 	}, res)
@@ -205,38 +194,6 @@ func TestImageDestOptionsNewSystemContext(t *testing.T) {
 	assert.Error(t, err)
 }

-func TestParseManifestFormat(t *testing.T) {
-	for _, testCase := range []struct {
-		formatParam          string
-		expectedManifestType string
-		expectErr            bool
-	}{
-		{"oci",
-			imgspecv1.MediaTypeImageManifest,
-			false},
-		{"v2s1",
-			manifest.DockerV2Schema1SignedMediaType,
-			false},
-		{"v2s2",
-			manifest.DockerV2Schema2MediaType,
-			false},
-		{"",
-			"",
-			true},
-		{"badValue",
-			"",
-			true},
-	} {
-		manifestType, err := parseManifestFormat(testCase.formatParam)
-		if testCase.expectErr {
-			require.Error(t, err)
-		} else {
-			require.NoError(t, err)
-		}
-		assert.Equal(t, manifestType, testCase.expectedManifestType)
-	}
-}
-
 // since there is a shared authfile image option and a non-shared (prefixed) one, make sure the override logic
 // works correctly.
 func TestImageOptionsAuthfileOverride(t *testing.T) {
@@ -276,8 +233,7 @@ func TestImageOptionsAuthfileOverride(t *testing.T) {
 		require.NoError(t, err)

 		assert.Equal(t, &types.SystemContext{
-			AuthFilePath:            testCase.expectedAuthfilePath,
-			DockerRegistryUserAgent: defaultUserAgent,
+			AuthFilePath: testCase.expectedAuthfilePath,
 		}, res)
 	}
 }
--- a/completions/bash/skopeo
+++ b/completions/bash/skopeo
@@ -70,42 +70,6 @@ _skopeo_copy() {
    _complete_ "$options_with_args" "$boolean_options" "$transports"
 }

-_skopeo_sync() {
-    local options_with_args="
-    --authfile
-    --dest
-    --dest-authfile
-    --dest-cert-
-    --dest-creds
-    --dest-registry-token string
-    --format
-    --retry-times
-    --sign-by
-    --src
-    --src-authfile
-    --src-cert-dir
-    --src-creds
-    --src-registry-token
-    "
-
-    local boolean_options="
-    --all
-    --dest-no-creds
-    --dest-tls-verify
-    --remove-signatures
-    --scoped
-    --src-no-creds
-    --src-tls-verify
-    "
-
-    local transports
-    transports="
-    $(_skopeo_supported_transports "${FUNCNAME//"_skopeo_"/}")
-    "
-
-    _complete_ "$options_with_args" "$boolean_options" "$transports"
-}
-
 _skopeo_inspect() {
     local options_with_args="
     --authfile
@@ -296,7 +260,7 @@ _cli_bash_autocomplete() {
     local counter=1
     while [ $counter -lt "$cword" ]; do
         case "${words[$counter]}" in
-             skopeo|copy|sync|inspect|delete|manifest-digest|standalone-sign|standalone-verify|help|h|list-repository-tags)
+             skopeo|copy|inspect|delete|manifest-digest|standalone-sign|standalone-verify|help|h|list-repository-tags)
                 command="${words[$counter]//-/_}"
                 cpos=$counter
                 (( cpos++ ))
--- a/contrib/cirrus/runner.sh
+++ b/contrib/cirrus/runner.sh
@@ -1,91 +0,0 @@
-#!/bin/bash
-
-# This script is intended to be executed by automation or humans
-# under a hack/get_ci_vm.sh context.  Use under any other circumstances
-# is unlikely to function.
-
-set -e
-
-if [[ -r "/etc/automation_environment" ]]; then
-    source /etc/automation_environment
-    source $AUTOMATION_LIB_PATH/common_lib.sh
-else
-    (
-    echo "WARNING: It does not appear that containers/automation was installed."
-    echo "         Functionality of most of ${BASH_SOURCE[0]} will be negatively"
-    echo "         impacted."
-    ) > /dev/stderr
-fi
-
-OS_RELEASE_ID="$(source /etc/os-release; echo $ID)"
-# GCE image-name compatible string representation of distribution _major_ version
-OS_RELEASE_VER="$(source /etc/os-release; echo $VERSION_ID | tr -d '.')"
-# Combined to ease some usage
-OS_REL_VER="${OS_RELEASE_ID}-${OS_RELEASE_VER}"
-
-export "PATH=$PATH:$GOPATH/bin"
-
-podmanmake() {
-    req_env_vars GOPATH SKOPEO_PATH SKOPEO_CI_CONTAINER_FQIN
-    warn "Accumulated technical-debt requires execution inside a --privileged container.  This is very likely hiding bugs!"
-    showrun podman run -it --rm --privileged \
-        -e GOPATH=$GOPATH \
-        -v $GOPATH:$GOPATH:Z \
-        -w $SKOPEO_PATH \
-        $SKOPEO_CI_CONTAINER_FQIN \
-            make "$@"
-}
-
-_run_setup() {
-    if [[ "$OS_RELEASE_ID" == "fedora" ]]; then
-        # This is required as part of the standard Fedora VM setup
-        growpart /dev/sda 1
-        resize2fs /dev/sda1
-
-        # VM's come with the distro. skopeo pre-installed
-        dnf erase -y skopeo
-    else
-        die "Unknown/unsupported distro. $OS_REL_VER"
-    fi
-}
-
-_run_vendor() {
-    podmanmake vendor BUILDTAGS="$BUILDTAGS"
-}
-
-_run_build() {
-    podmanmake bin/skopeo BUILDTAGS="$BUILDTAGS"
-}
-
-_run_validate() {
-    podmanmake validate-local BUILDTAGS="$BUILDTAGS"
-}
-
-_run_unit() {
-    podmanmake test-integration-local BUILDTAGS="$BUILDTAGS"
-}
-
-_run_integration() {
-    podmanmake test-integration-local BUILDTAGS="$BUILDTAGS"
-}
-
-_run_system() {
-    # Ensure we start with a clean-slate
-    podman system reset --force
-    # Executes with containers required for testing.
-    showrun make test-system-local BUILDTAGS="$BUILDTAGS"
-}
-
-req_env_vars SKOPEO_PATH BUILDTAGS
-
-handler="_run_${1}"
-if [ "$(type -t $handler)" != "function" ]; then
-    die "Unknown/Unsupported command-line argument '$1'"
-fi
-
-msg "************************************************************"
-msg "Runner executing $1 on $OS_REL_VER"
-msg "************************************************************"
-
-cd "$SKOPEO_PATH"
-$handler
--- a/contrib/skopeoimage/stable/Dockerfile
+++ b/contrib/skopeoimage/stable/Dockerfile
@@ -6,7 +6,7 @@
 # This image can be used to create a secured container
 # that runs safely with privileges within the container.
 #
-FROM registry.fedoraproject.org/fedora:33
+FROM registry.fedoraproject.org/fedora:32

 # Don't include container-selinux and remove
 # directories used by yum that are just taking
@@ -27,7 +27,7 @@ RUN echo skopeo:100000:65536 > /etc/subuid
 RUN echo skopeo:100000:65536 > /etc/subgid

 # Point to the Authorization file
-ENV REGISTRY_AUTH_FILE=/tmp/auth.json
+ENV REGISTRY_AUTH_FILE=/auth.json

 # Set the entrypoint
 ENTRYPOINT ["/usr/bin/skopeo"]
--- a/contrib/skopeoimage/testing/Dockerfile
+++ b/contrib/skopeoimage/testing/Dockerfile
@@ -7,7 +7,7 @@
 # This image can be used to create a secured container
 # that runs safely with privileges within the container.
 #
-FROM registry.fedoraproject.org/fedora:33
+FROM registry.fedoraproject.org/fedora:32

 # Don't include container-selinux and remove
 # directories used by yum that are just taking
@@ -28,7 +28,7 @@ RUN echo skopeo:100000:65536 > /etc/subuid
 RUN echo skopeo:100000:65536 > /etc/subgid

 # Point to the Authorization file
-ENV REGISTRY_AUTH_FILE=/tmp/auth.json
+ENV REGISTRY_AUTH_FILE=/auth.json

 # Set the entrypoint
 ENTRYPOINT ["/usr/bin/skopeo"]
--- a/contrib/skopeoimage/upstream/Dockerfile
+++ b/contrib/skopeoimage/upstream/Dockerfile
@@ -6,7 +6,7 @@
 # This image can be used to create a secured container
 # that runs safely with privileges within the container.
 #
-FROM registry.fedoraproject.org/fedora:33
+FROM registry.fedoraproject.org/fedora:32

 # Don't include container-selinux and remove
 # directories used by yum that are just taking
@@ -30,7 +30,7 @@ git clone https://github.com/containers/skopeo /root/skopeo/src/github.com/conta
 export GOPATH=/root/skopeo; \
 cd /root/skopeo/src/github.com/containers/skopeo; \
 make bin/skopeo;\
-make PREFIX=/usr install;\
+make install;\
 rm -rf /root/skopeo/*; \
 yum -y remove git golang go-md2man make; \
 yum -y clean all; yum -y clean all; rm -rf /var/cache/dnf/* /var/log/dnf* /var/log/yum*
@@ -48,7 +48,7 @@ RUN echo skopeo:100000:65536 > /etc/subuid
 RUN echo skopeo:100000:65536 > /etc/subgid

 # Point to the Authorization file
-ENV REGISTRY_AUTH_FILE=/tmp/auth.json
+ENV REGISTRY_AUTH_FILE=/auth.json

 # Set the entrypoint
 ENTRYPOINT ["/usr/bin/skopeo"]
--- a/docs/skopeo-copy.1.md
+++ b/docs/skopeo-copy.1.md
@@ -42,10 +42,6 @@ Path of the authentication file for the source registry. Uses path given by `--a

 Path of the authentication file for the destination registry. Uses path given by `--authfile`, if not provided.

-**--digestfile** _path_
-
-After copying the image, write the digest of the resulting image to the file.
-
 **--format, -f** _manifest-type_ Manifest type (oci, v2s1, or v2s2) to use when saving image to directory using the 'dir:' transport (default is manifest type of source)

 **--quiet, -q** suppress output information when copying images
--- a/docs/skopeo-sync.1.md
+++ b/docs/skopeo-sync.1.md
@@ -54,8 +54,6 @@ Path of the authentication file for the destination registry. Uses path given by

 **--dest** _transport_ Destination transport.

-**--format, -f** _manifest-type_ Manifest Type (oci, v2s1, or v2s2) to use when syncing image(s) to a destination (default is manifest type of source).
-
 **--scoped** Prefix images with the source image path, so that multiple images with the same name can be stored at _destination_.

 **--remove-signatures** Do not copy signatures, if any, from _source-image_. This is necessary when copying a signed image to a destination which does not support signatures.
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/containers/ocicrypt v1.1.1
 	github.com/containers/storage v1.31.3
 	github.com/docker/docker v20.10.6+incompatible
-	github.com/dsnet/compress v0.0.2-0.20210315054119-f66993602bf5 // indirect
+	github.com/dsnet/compress v0.0.1 // indirect
 	github.com/go-check/check v0.0.0-20180628173108-788fd7840127
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.0.2-0.20190823105129-775207bd45b6
--- a/go.sum
+++ b/go.sum
@@ -44,11 +44,11 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
+github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331 h1:3YnB7Hpmh1lPecPE8doMOtYCrMdrpedZOvxfuNES/Vk=
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@@ -56,6 +56,7 @@ github.com/Microsoft/hcsshim v0.8.6/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXn
 github.com/Microsoft/hcsshim v0.8.7-0.20190325164909-8abdbb8205e4/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
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+github.com/Microsoft/hcsshim v0.8.14 h1:lbPVK25c1cu5xTLITwpUcxoA9vKrKErASPYygvouJns=
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@@ -126,6 +127,7 @@ github.com/containerd/btrfs v0.0.0-20210316141732-918d888fb676/go.mod h1:zMcX3qk
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+github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59 h1:qWj4qVYZ95vLWwqyNJCQg7rDsG5wPdze0UaPolH7DUk=
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@@ -141,6 +143,7 @@ github.com/containerd/containerd v1.2.10/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtM
 github.com/containerd/containerd v1.3.0-beta.2.0.20190828155532-0293cbd26c69/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
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 github.com/containerd/containerd v1.4.1/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
@@ -208,7 +211,6 @@ github.com/containers/ocicrypt v1.1.0/go.mod h1:b8AOe0YR67uU8OqfVNcznfFpAzu3rdgU
 github.com/containers/ocicrypt v1.1.1 h1:prL8l9w3ntVqXvNH1CiNn5ENjcCnr38JqpSyvKKB4GI=
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 github.com/containers/storage v1.30.1/go.mod h1:NDJkiwxnSHD1Is+4DGcyR3SIEYSDOa0xnAW+uGQFx9E=
-github.com/containers/storage v1.31.1 h1:xJedxRd4gI/7cCStZO9UVL2aFs4wjSV9Xqo3vAm2eOQ=
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@@ -251,6 +253,7 @@ github.com/docker/distribution v0.0.0-20190905152932-14b96e55d84c/go.mod h1:0+TT
 github.com/docker/distribution v2.7.1-0.20190205005809-0d3efadf0154+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
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+github.com/docker/docker v1.4.2-0.20191219165747-a9416c67da9f h1:Sm8iD2lifO31DwXfkGzq8VgA7rwxPjRsYmeo0K/dF9Y=
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@@ -270,8 +273,8 @@ github.com/docker/libtrust v0.0.0-20160708172513-aabc10ec26b7 h1:UhxFibDNY/bfvqU
 github.com/docker/libtrust v0.0.0-20160708172513-aabc10ec26b7/go.mod h1:cyGadeNEkKy96OOhEzfZl+yxihPEzKnqJwvfuSUqbZE=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
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-github.com/dsnet/compress v0.0.2-0.20210315054119-f66993602bf5 h1:iFaUwBSo5Svw6L7HYpRu/0lE3e0BaElwnNO1qkNQxBY=
-github.com/dsnet/compress v0.0.2-0.20210315054119-f66993602bf5/go.mod h1:qssHWj60/X5sZFNxpG4HBPDHVqxNm4DfnCKgrbZOT+s=
+github.com/dsnet/compress v0.0.1 h1:PlZu0n3Tuv04TzpfPbrnI0HW/YwodEXDS+oPKahKF0Q=
+github.com/dsnet/compress v0.0.1/go.mod h1:Aw8dCMJ7RioblQeTqt88akK31OvO8Dhf5JflhBbQEHo=
 github.com/dsnet/golib v0.0.0-20171103203638-1ea166775780/go.mod h1:Lj+Z9rebOhdfkVLjJ8T6VcRQv3SXugXy999NBtR9aFY=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
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@@ -326,9 +329,11 @@ github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
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 github.com/gogo/protobuf v1.3.0/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
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 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
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+github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
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@@ -353,6 +358,7 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
 github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
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@@ -365,9 +371,11 @@ github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
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+github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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@@ -394,6 +402,7 @@ github.com/googleapis/gnostic v0.4.1/go.mod h1:LRhVm6pbyptWbWbuZ38d1eyptfvIytN3i
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
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@@ -425,6 +434,7 @@ github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/b
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+github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+dAcgU=
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@@ -471,6 +481,7 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxv
 github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
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 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
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@@ -496,6 +507,7 @@ github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRC
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+github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
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@@ -514,6 +526,7 @@ github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:F
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@@ -537,6 +550,7 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8m
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@@ -576,7 +590,6 @@ github.com/opencontainers/runc v0.1.1/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59P
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@@ -589,7 +602,9 @@ github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417 h1:3
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@@ -609,17 +624,21 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
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@@ -627,6 +646,7 @@ github.com/prometheus/common v0.0.0-20180110214958-89604d197083/go.mod h1:daVV7q
 github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
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+github.com/prometheus/common v0.6.0 h1:kRhiuYSXR3+uv2IbVbZhUxK5zVD/2pp3Gd2PpvPkpEo=
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 github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
@@ -635,6 +655,7 @@ github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R
 github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.0.0-20190522114515-bc1a522cf7b1/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
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+github.com/prometheus/procfs v0.0.3 h1:CTwfnzjQ+8dS6MhHHu4YswVAD99sL2wjPqP+VkURmKE=
 github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
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@@ -665,6 +686,7 @@ github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPx
 github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
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+github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
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@@ -701,11 +723,13 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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 github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
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@@ -715,7 +739,7 @@ github.com/tchap/go-patricia v2.3.0+incompatible/go.mod h1:bmLyhP68RS6kStMGxByiQ
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
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-github.com/ulikunitz/xz v0.5.8/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
+github.com/ulikunitz/xz v0.5.6/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
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 github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
@@ -732,6 +756,7 @@ github.com/vishvananda/netlink v1.1.1-0.20201029203352-d40f9887b852/go.mod h1:tw
 github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc/go.mod h1:ZjcWmFBXmLKZu9Nxj3WKYEafiSqer2rnvPr0en9UNpI=
 github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
 github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=
+github.com/willf/bitset v1.1.11-0.20200630133818-d5bec3311243 h1:R43TdZy32XXSXjJn7M/HhALJ9imq6ztLnChfYJpVDnM=
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@@ -758,6 +783,7 @@ go.etcd.io/etcd v0.5.0-alpha.5.0.20200910180754-dd1b699fc489/go.mod h1:yVHk9ub3C
 go.mozilla.org/pkcs7 v0.0.0-20200128120323-432b2356ecb1 h1:A/5uWzF44DlIgdm/PQFwfMkW0JX+cIcQi/SwLAmZP5M=
 go.mozilla.org/pkcs7 v0.0.0-20200128120323-432b2356ecb1/go.mod h1:SNgMg+EgDFwmvSmLRTNKC5fegJjB7v23qTQ0XLGUNHk=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
+go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
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 go.opencensus.io v0.22.3 h1:8sGtKOrtQqkN1bp2AtX+misvLIlOmsEsNd+9NIcPEm8=
@@ -778,6 +804,7 @@ golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -849,6 +876,7 @@ golang.org/x/net v0.0.0-20201006153459-a7d1128ccaa0/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 h1:qWPm9rbaAMKs8Bq/9LRpbMqxWRVUAQwMI9fVrssnTfw=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781 h1:DzZ89McO9/gWPsQXS/FVKAlG02ZjaQ6AlZRBimEYOd0=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
@@ -864,6 +892,7 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 h1:SQFwaSi55rU7vdNs9Yr0Z324VNlrF+0wMqRXT4St8ck=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a h1:DcqTD9SDLc+1P/r1EmRBwnVsrOwW+kk2vWf9n+1sGhs=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -922,10 +951,12 @@ golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200916030750-2334cc1a136f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200922070232-aee5d888a860/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201112073958-5cba982894dd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201117170446-d9b008d0a637/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3 h1:kzM6+9dur93BcC2kVlYl34cHU+TYZLanmpSJHVMmL64=
 golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201202213521-69691e467435/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -940,6 +971,7 @@ golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fq
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
@@ -947,6 +979,7 @@ golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e h1:EHBhcS0mlXEAVwNyO2dLfjToGsyY4j24pTs2ScHnX7s=
 golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -991,6 +1024,7 @@ golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -1020,6 +1054,7 @@ google.golang.org/genproto v0.0.0-20190522204451-c2c4e71fbf69/go.mod h1:z3L6/3dT
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
+google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a h1:Ob5/580gVHBJZgXnff1cZDbG+xLtMVE5mDRTe+nIsX4=
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
@@ -1040,6 +1075,7 @@ google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiq
 google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.23.1 h1:q4XQuHFC6I28BKZpo6IYyb3mNO+l7lSOxRuYTCiDfXk=
 google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRnRtcA=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
@@ -1055,6 +1091,7 @@ google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQ
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
@@ -1078,6 +1115,7 @@ gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/square/go-jose.v2 v2.2.2/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
+gopkg.in/square/go-jose.v2 v2.3.1 h1:SK5KegNXmKmqE342YYN2qPHEnUYeoMiXXl1poUlI+o4=
 gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/square/go-jose.v2 v2.5.1 h1:7odma5RETjNHWJnR32wx8t+Io4djHE1PqxCFx3iiZ2w=
 gopkg.in/square/go-jose.v2 v2.5.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
@@ -1089,6 +1127,7 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
--- a/hack/get_ci_vm.sh
+++ b/hack/get_ci_vm.sh
@@ -1,61 +0,0 @@
-#!/usr/bin/env bash
-
-#
-# For help and usage information, simply execute the script w/o any arguments.
-#
-# This script is intended to be run by Red Hat skopeo developers who need
-# to debug problems specifically related to Cirrus-CI automated testing.
-# It requires that you have been granted prior access to create VMs in
-# google-cloud.  For non-Red Hat contributors, VMs are available as-needed,
-# with supervision upon request.
-
-set -e
-
-SCRIPT_FILEPATH=$(realpath "${BASH_SOURCE[0]}")
-SCRIPT_DIRPATH=$(dirname "$SCRIPT_FILEPATH")
-REPO_DIRPATH=$(realpath "$SCRIPT_DIRPATH/../")
-
-# Help detect if we were called by get_ci_vm container
-GET_CI_VM="${GET_CI_VM:-0}"
-in_get_ci_vm() {
-    if ((GET_CI_VM==0)); then
-        echo "Error: $1 is not intended for use in this context"
-        exit 2
-    fi
-}
-
-# get_ci_vm APIv1 container entrypoint calls into this script
-# to obtain required repo. specific configuration options.
-if [[ "$1" == "--config" ]]; then
-    in_get_ci_vm "$1"
-    cat <<EOF
-DESTDIR="/var/tmp/go/src/github.com/containers/skopeo"
-UPSTREAM_REPO="https://github.com/containers/skopeo.git"
-GCLOUD_PROJECT="skopeo"
-GCLOUD_IMGPROJECT="libpod-218412"
-GCLOUD_CFG="skopeo"
-GCLOUD_ZONE="${GCLOUD_ZONE:-us-central1-f}"
-GCLOUD_CPUS="2"
-GCLOUD_MEMORY="4Gb"
-GCLOUD_DISK="200"
-EOF
-elif [[ "$1" == "--setup" ]]; then
-    in_get_ci_vm "$1"
-    # get_ci_vm container entrypoint calls us with this option on the
-    # Cirrus-CI environment instance, to perform repo.-specific setup.
-    echo "+ Executing setup" > /dev/stderr
-    ${GOSRC}/${SCRIPT_BASE}/runner.sh setup
-else
-    # Create and access VM for specified Cirrus-CI task
-    mkdir -p $HOME/.config/gcloud/ssh
-    podman run -it --rm \
-        --tz=local \
-        -e NAME="$USER" \
-        -e SRCDIR=/src \
-        -e GCLOUD_ZONE="$GCLOUD_ZONE" \
-        -e DEBUG="${DEBUG:-0}" \
-        -v $REPO_DIRPATH:/src:O \
-        -v $HOME/.config/gcloud:/root/.config/gcloud:z \
-        -v $HOME/.config/gcloud/ssh:/root/.ssh:z \
-        quay.io/libpod/get_ci_vm:latest "$@"
-fi
--- a/hack/make.sh
+++ b/hack/make.sh
@@ -25,8 +25,12 @@ export MAKEDIR="$SCRIPTDIR/make"

 # We're a nice, sexy, little shell script, and people might try to run us;
 # but really, they shouldn't. We want to be in a container!
-# The magic value is defined inside our Dockerfile.
-if [[ "$container_magic" != "85531765-346b-4316-bdb8-358e4cca9e5d" ]]; then
+inContainer="AssumeSoInitially"
+if [ "$PWD" != "/go/src/$SKOPEO_PKG" ]; then
+	unset inContainer
+fi
+
+if [ -z "$inContainer" ]; then
 	{
 		echo "# WARNING! I don't seem to be running in a Docker container."
 		echo "# The result of this command might be an incorrect build, and will not be"
@@ -35,9 +39,6 @@ if [[ "$container_magic" != "85531765-346b-4316-bdb8-358e4cca9e5d" ]]; then
 		echo "# Try this instead: make all"
 		echo "#"
 	} >&2
-else
-    echo "# I appear to be running inside my designated container image, good!"
-    export SKOPEO_CONTAINER_TESTS=1
 fi

 echo
--- a/hack/make/.validate
+++ b/hack/make/.validate
@@ -5,7 +5,7 @@ if [ -z "$VALIDATE_UPSTREAM" ]; then
 	# are running more than one validate bundlescript
 	
 	VALIDATE_REPO='https://github.com/containers/skopeo.git'
-	VALIDATE_BRANCH='main'
+	VALIDATE_BRANCH='master'
 	
 	if [ "$TRAVIS" = 'true' -a "$TRAVIS_PULL_REQUEST" != 'false' ]; then
 		VALIDATE_REPO="https://github.com/${TRAVIS_REPO_SLUG}.git"
--- a/hack/make/test-integration
+++ b/hack/make/test-integration
@@ -9,6 +9,6 @@ bundle_test_integration() {
 # subshell so that we can export PATH without breaking other things
 (
 	make bin/skopeo ${BUILDTAGS:+BUILDTAGS="$BUILDTAGS"}
-	make PREFIX=/usr install
+	make install
 	bundle_test_integration
 ) 2>&1
--- a/hack/make/test-system
+++ b/hack/make/test-system
@@ -12,7 +12,7 @@ sed -i \

 # Build skopeo, install into /usr/bin
 make bin/skopeo ${BUILDTAGS:+BUILDTAGS="$BUILDTAGS"}
-make PREFIX=/usr install
+make install

 # Run tests
 SKOPEO_BINARY=/usr/bin/skopeo bats --tap systemtest
--- a/hack/travis_osx.sh
+++ b/hack/travis_osx.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+set -e
+
+export GOPATH=$(pwd)/_gopath
+export PATH=$GOPATH/bin:$PATH
+
+_containers="${GOPATH}/src/github.com/containers"
+mkdir -vp ${_containers}
+ln -vsf $(pwd) ${_containers}/skopeo
+
+go version
+GO111MODULE=off go get -u github.com/cpuguy83/go-md2man golang.org/x/lint/golint
+
+cd ${_containers}/skopeo
+make validate-local test-unit-local bin/skopeo
+sudo make install
+skopeo -v
--- a/install.md
+++ b/install.md
@@ -44,6 +44,14 @@ sudo dnf -y install skopeo
 sudo yum -y install skopeo
 ```

+Newer Skopeo releases may be available on the repositories provided by the
+Kubic project. Beware, these may not be suitable for production environments.
+
+```sh
+sudo curl -L -o /etc/yum.repos.d/devel:kubic:libcontainers:stable.repo https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/CentOS_7/devel:kubic:libcontainers:stable.repo
+sudo yum -y install skopeo
+```
+
 ### openSUSE

 ```sh
@@ -79,6 +87,49 @@ sudo apt-get update
 sudo apt-get -y install skopeo
 ```

+If you would prefer newer (though not as well-tested) packages,
+the [Kubic project](https://build.opensuse.org/package/show/devel:kubic:libcontainers:stable/skopeo)
+provides packages for Debian 10 and newer. The packages in Kubic project repos are more frequently
+updated than the one in Debian's official repositories, due to how Debian works.
+The build sources for the Kubic packages can be found [here](https://gitlab.com/rhcontainerbot/skopeo/-/tree/debian/debian).
+
+CAUTION: On Debian 11 and newer, including Debian Testing and Sid, we highly recommend you use Buildah, Podman and Skopeo ONLY from EITHER the Kubic repo
+OR the official Debian repos. Mixing and matching may lead to unpredictable situations including installation conflicts.
+
+```bash
+# Debian 10
+echo 'deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_10/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
+curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_10/Release.key | sudo apt-key add -
+sudo apt-get update
+sudo apt-get -y install skopeo
+
+# Debian Testing
+echo 'deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_Testing/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
+curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_Testing/Release.key | sudo apt-key add -
+sudo apt-get update
+sudo apt-get -y install skopeo
+
+# Debian Sid/Unstable
+echo 'deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_Unstable/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
+curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_Unstable/Release.key | sudo apt-key add -
+sudo apt-get update
+sudo apt-get -y install skopeo
+```
+
+
+### Raspberry Pi OS armhf (ex Raspbian)
+
+The Kubic project provides packages for Raspbian 10.
+
+```bash
+# Raspbian 10
+echo 'deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Raspbian_10/ /' | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
+curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Raspbian_10/Release.key | sudo apt-key add -
+sudo apt-get update -qq
+sudo apt-get -qq -y install skopeo
+```
+
+
 ### Raspberry Pi OS arm64 (beta)

 Raspberry Pi OS uses the standard Debian's repositories,
@@ -99,7 +150,7 @@ sudo apt-get -y install skopeo

 If you would prefer newer (though not as well-tested) packages,
 the [Kubic project](https://build.opensuse.org/package/show/devel:kubic:libcontainers:stable/skopeo)
-provides packages for active Ubuntu releases 20.04 and newer (it should also work with direct derivatives like Pop!\_OS).
+provides packages for active Ubuntu releases 18.04 and newer (it should also work with direct derivatives like Pop!\_OS).
 Checkout the [Kubic project page](https://build.opensuse.org/package/show/devel:kubic:libcontainers:stable/skopeo)
 for a list of supported Ubuntu version and
 architecture combinations. **NOTE:** The command `sudo apt-get -y upgrade`
--- a/integration/copy_test.go
+++ b/integration/copy_test.go
@@ -246,21 +246,6 @@ func (s *CopySuite) TestCopyWithManifestListDigest(c *check.C) {
 	c.Assert(out, check.Equals, "")
 }

-func (s *CopySuite) TestCopyWithDigestfileOutput(c *check.C) {
-	tempdir, err := ioutil.TempDir("", "tempdir")
-	c.Assert(err, check.IsNil)
-	defer os.RemoveAll(tempdir)
-	dir1, err := ioutil.TempDir("", "copy-manifest-list-digest-dir")
-	c.Assert(err, check.IsNil)
-	defer os.RemoveAll(dir1)
-	digestOutPath := filepath.Join(tempdir, "digest.txt")
-	assertSkopeoSucceeds(c, "", "copy", "--digestfile="+digestOutPath, knownListImage, "dir:"+dir1)
-	readDigest, err := ioutil.ReadFile(digestOutPath)
-	c.Assert(err, check.IsNil)
-	_, err = digest.Parse(string(readDigest))
-	c.Assert(err, check.IsNil)
-}
-
 func (s *CopySuite) TestCopyWithManifestListStorageDigest(c *check.C) {
 	storage, err := ioutil.TempDir("", "copy-manifest-list-storage-digest")
 	c.Assert(err, check.IsNil)
@@ -817,7 +802,7 @@ func (s *CopySuite) TestCopySignatures(c *check.C) {
 		"--policy", policy, "copy", "docker://busybox:latest", dirDest)

 	// type: insecureAcceptAnything
-	assertSkopeoSucceeds(c, "", "--policy", policy, "copy", "docker://quay.io/openshift/origin-hello-openshift", dirDest)
+	assertSkopeoSucceeds(c, "", "--policy", policy, "copy", "docker://openshift/hello-openshift", dirDest)

 	// type: signedBy
 	// Sign the images
@@ -1266,6 +1251,14 @@ func (s *CopySuite) testCopySchemaConversionRegistries(c *check.C, schema1Regist
 	verifyManifestMIMEType(c, destDir, manifest.DockerV2Schema1SignedMediaType)
 }

+// Verify manifest in a dir: image at dir is expectedMIMEType.
+func verifyManifestMIMEType(c *check.C, dir string, expectedMIMEType string) {
+	manifestBlob, err := ioutil.ReadFile(filepath.Join(dir, "manifest.json"))
+	c.Assert(err, check.IsNil)
+	mimeType := manifest.GuessMIMEType(manifestBlob)
+	c.Assert(mimeType, check.Equals, expectedMIMEType)
+}
+
 const regConfFixture = "./fixtures/registries.conf"

 func (s *SkopeoSuite) TestSuccessCopySrcWithMirror(c *check.C) {
--- a/integration/fixtures/policy.json
+++ b/integration/fixtures/policy.json
@@ -50,11 +50,6 @@
                {
                    "type": "insecureAcceptAnything"
                }
-            ],
-            "quay.io/openshift": [
-                {
-                    "type": "insecureAcceptAnything"
-                }
            ]
        },
        "dir": {
--- a/integration/openshift_shell_test.go
+++ b/integration/openshift_shell_test.go
@@ -19,7 +19,7 @@ to start a container, then within the container:
 	SKOPEO_CONTAINER_TESTS=1 PS1='nested> ' go test -tags openshift_shell -timeout=24h ./integration -v -check.v -check.vv -check.f='CopySuite.TestRunShell'

 An example of what can be done within the container:
-	cd ..; make bin/skopeo PREFIX=/usr install
+	cd ..; make bin/skopeo install
 	./skopeo --tls-verify=false  copy --sign-by=personal@example.com docker://busybox:latest atomic:localhost:5000/myns/personal:personal
 	oc get istag personal:personal -o json
 	curl -L -v 'http://localhost:5000/v2/'
--- a/integration/sync_test.go
+++ b/integration/sync_test.go
@@ -12,10 +12,8 @@ import (

 	"github.com/containers/image/v5/docker"
 	"github.com/containers/image/v5/docker/reference"
-	"github.com/containers/image/v5/manifest"
 	"github.com/containers/image/v5/types"
 	"github.com/go-check/check"
-	imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
 )

 const (
@@ -474,26 +472,6 @@ func (s *SyncSuite) TestYamlTLSVerify(c *check.C) {

 }

-func (s *SyncSuite) TestSyncManifestOutput(c *check.C) {
-	tmpDir, err := ioutil.TempDir("", "sync-manifest-output")
-	c.Assert(err, check.IsNil)
-	defer os.RemoveAll(tmpDir)
-
-	destDir1 := filepath.Join(tmpDir, "dest1")
-	destDir2 := filepath.Join(tmpDir, "dest2")
-	destDir3 := filepath.Join(tmpDir, "dest3")
-
-	//Split image:tag path from image URI for manifest comparison
-	imageDir := pullableTaggedImage[strings.LastIndex(pullableTaggedImage, "/")+1:]
-
-	assertSkopeoSucceeds(c, "", "sync", "--format=oci", "--all", "--src", "docker", "--dest", "dir", pullableTaggedImage, destDir1)
-	verifyManifestMIMEType(c, filepath.Join(destDir1, imageDir), imgspecv1.MediaTypeImageManifest)
-	assertSkopeoSucceeds(c, "", "sync", "--format=v2s2", "--all", "--src", "docker", "--dest", "dir", pullableTaggedImage, destDir2)
-	verifyManifestMIMEType(c, filepath.Join(destDir2, imageDir), manifest.DockerV2Schema2MediaType)
-	assertSkopeoSucceeds(c, "", "sync", "--format=v2s1", "--all", "--src", "docker", "--dest", "dir", pullableTaggedImage, destDir3)
-	verifyManifestMIMEType(c, filepath.Join(destDir3, imageDir), manifest.DockerV2Schema1SignedMediaType)
-}
-
 func (s *SyncSuite) TestDocker2DockerTagged(c *check.C) {
 	const localRegURL = "docker://" + v2DockerRegistryURL + "/"

--- a/integration/utils.go
+++ b/integration/utils.go
@@ -10,7 +10,6 @@ import (
 	"strings"
 	"time"

-	"github.com/containers/image/v5/manifest"
 	"github.com/go-check/check"
 )

@@ -201,11 +200,3 @@ func runDecompressDirs(c *check.C, regexp string, args ...string) {
 		c.Assert(string(out), check.Matches, "(?s)"+regexp) // (?s) : '.' will also match newlines
 	}
 }
-
-// Verify manifest in a dir: image at dir is expectedMIMEType.
-func verifyManifestMIMEType(c *check.C, dir string, expectedMIMEType string) {
-	manifestBlob, err := ioutil.ReadFile(filepath.Join(dir, "manifest.json"))
-	c.Assert(err, check.IsNil)
-	mimeType := manifest.GuessMIMEType(manifestBlob)
-	c.Assert(mimeType, check.Equals, expectedMIMEType)
-}
--- a/nix/default-arm64.nix
+++ b/nix/default-arm64.nix
@@ -1,67 +0,0 @@
-let
-  pkgs = (import ./nixpkgs.nix {
-    crossSystem = {
-      config = "aarch64-unknown-linux-gnu";
-    };
-    config = {
-      packageOverrides = pkg: {
-        gpgme = (static pkg.gpgme);
-        libassuan = (static pkg.libassuan);
-        libgpgerror = (static pkg.libgpgerror);
-        libseccomp = (static pkg.libseccomp);
-        glib = (static pkg.glib).overrideAttrs (x: {
-          outputs = [ "bin" "out" "dev" ];
-          mesonFlags = [
-            "-Ddefault_library=static"
-            "-Ddevbindir=${placeholder ''dev''}/bin"
-            "-Dgtk_doc=false"
-            "-Dnls=disabled"
-          ];
-          postInstall = ''
-            moveToOutput "share/glib-2.0" "$dev"
-            substituteInPlace "$dev/bin/gdbus-codegen" --replace "$out" "$dev"
-            sed -i "$dev/bin/glib-gettextize" -e "s|^gettext_dir=.*|gettext_dir=$dev/share/glib-2.0/gettext|"
-            sed '1i#line 1 "${x.pname}-${x.version}/include/glib-2.0/gobject/gobjectnotifyqueue.c"' \
-              -i "$dev"/include/glib-2.0/gobject/gobjectnotifyqueue.c
-          '';
-        });
-      };
-    };
-  });
-
-  static = pkg: pkg.overrideAttrs (x: {
-    doCheck = false;
-    configureFlags = (x.configureFlags or [ ]) ++ [
-      "--without-shared"
-      "--disable-shared"
-    ];
-    dontDisableStatic = true;
-    enableSharedExecutables = false;
-    enableStatic = true;
-  });
-
-  self = with pkgs; buildGoModule rec {
-    name = "skopeo";
-    src = ./..;
-    vendorSha256 = null;
-    doCheck = false;
-    enableParallelBuilding = true;
-    outputs = [ "out" ];
-    nativeBuildInputs = [ bash gitMinimal go-md2man installShellFiles makeWrapper pkg-config which ];
-    buildInputs = [ glibc glibc.static gpgme libassuan libgpgerror libseccomp ];
-    prePatch = ''
-      export CFLAGS='-static -pthread'
-      export LDFLAGS='-s -w -static-libgcc -static'
-      export EXTRA_LDFLAGS='-s -w -linkmode external -extldflags "-static -lm"'
-      export BUILDTAGS='static netgo osusergo exclude_graphdriver_btrfs exclude_graphdriver_devicemapper'
-    '';
-    buildPhase = ''
-      patchShebangs .
-      make bin/skopeo
-    '';
-    installPhase = ''
-      install -Dm755 bin/skopeo $out/bin/skopeo
-    '';
-  };
-in
-self
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -7,7 +7,7 @@ let
        libassuan = (static pkg.libassuan);
        libgpgerror = (static pkg.libgpgerror);
        libseccomp = (static pkg.libseccomp);
-        glib = (static pkg.glib).overrideAttrs (x: {
+        glib = (static pkg.glib).overrideAttrs(x: {
          outputs = [ "bin" "out" "dev" ];
          mesonFlags = [
            "-Ddefault_library=static"
@@ -15,21 +15,14 @@ let
            "-Dgtk_doc=false"
            "-Dnls=disabled"
          ];
-          postInstall = ''
-            moveToOutput "share/glib-2.0" "$dev"
-            substituteInPlace "$dev/bin/gdbus-codegen" --replace "$out" "$dev"
-            sed -i "$dev/bin/glib-gettextize" -e "s|^gettext_dir=.*|gettext_dir=$dev/share/glib-2.0/gettext|"
-            sed '1i#line 1 "${x.pname}-${x.version}/include/glib-2.0/gobject/gobjectnotifyqueue.c"' \
-              -i "$dev"/include/glib-2.0/gobject/gobjectnotifyqueue.c
-          '';
        });
      };
    };
  });

-  static = pkg: pkg.overrideAttrs (x: {
+  static = pkg: pkg.overrideAttrs(x: {
    doCheck = false;
-    configureFlags = (x.configureFlags or [ ]) ++ [
+    configureFlags = (x.configureFlags or []) ++ [
      "--without-shared"
      "--disable-shared"
    ];
@@ -61,5 +54,4 @@ let
      install -Dm755 bin/skopeo $out/bin/skopeo
    '';
  };
-in
-self
+in self
--- a/nix/nixpkgs.json
+++ b/nix/nixpkgs.json
@@ -1,9 +1,9 @@
 {
  "url": "https://github.com/nixos/nixpkgs",
-  "rev": "eb7e1ef185f6c990cda5f71fdc4fb02e76ab06d5",
-  "date": "2021-05-05T23:16:00+02:00",
-  "path": "/nix/store/a98lkhjlsqh32ic2kkrv5kkik6jy25wh-nixpkgs",
-  "sha256": "1ibz204c41g7baqga2iaj11yz9l75cfdylkiqjnk5igm81ivivxg",
+  "rev": "4a75203f0270f96cbc87f5dfa5d5185690237d87",
+  "date": "2020-12-29T03:18:48+01:00",
+  "path": "/nix/store/scswsm6r4jnhp9ki0f6s81kpj5x6jkn7-nixpkgs",
+  "sha256": "0h70fm9aa7s06wkalbadw70z5rscbs3p6nblb47z523nhlzgjxk9",
  "fetchSubmodules": false,
  "deepClone": false,
  "leaveDotGit": false
--- a/systemtest/020-copy.bats
+++ b/systemtest/020-copy.bats
@@ -45,7 +45,7 @@ function setup() {
 }

 # Compression zstd
-@test "copy: oci, zstd" {
+@test "copy: oci, round trip, zstd" {
    local remote_image=docker://quay.io/libpod/busybox:latest

    local dir=$TESTDIR/dir
@@ -57,12 +57,6 @@ function setup() {

    # Check there is at least one file that has the zstd magic number as the first 4 bytes
    (for i in $dir/blobs/sha256/*; do test "$(head -c 4 $i)" = $magic && exit 0; done; exit 1)
-
-    # Check that the manifest's description of the image's first layer is the zstd layer type
-    instance=$(jq -r '.manifests[0].digest' $dir/index.json)
-    [[ "$instance" != null ]]
-    mediatype=$(jq -r '.layers[0].mediaType' < $dir/blobs/${instance/://})
-    [[ "$mediatype" == "application/vnd.oci.image.layer.v1.tar+zstd" ]]
 }

 # Same image, extracted once with :tag and once without
@@ -100,50 +94,6 @@ function setup() {
               docker://localhost:5000/foo
 }

-# manifest format
-@test "copy: manifest format" {
-    local remote_image=docker://quay.io/libpod/busybox:latest
-
-    local dir1=$TESTDIR/dir1
-    local dir2=$TESTDIR/dir2
-
-    run_skopeo copy --format v2s2 $remote_image dir:$dir1
-    run_skopeo copy --format oci $remote_image dir:$dir2
-    grep 'application/vnd.docker.distribution.manifest.v2' $dir1/manifest.json
-    grep 'application/vnd.oci.image' $dir2/manifest.json
-}
-
-# additional tag
-@test "copy: additional tag" {
-    local remote_image=docker://quay.io/libpod/busybox:latest
-
-    # additional-tag is supported only for docker-archive
-    run_skopeo copy --additional-tag busybox:mine $remote_image \
-               docker-archive:$TESTDIR/mybusybox.tar:busybox:latest
-    mkdir -p $TESTDIR/podmanroot
-    run podman --root $TESTDIR/podmanroot load -i $TESTDIR/mybusybox.tar
-    run podman --root $TESTDIR/podmanroot images
-    expect_output --substring "mine"
-
-}
-
-# shared blob directory
-@test "copy: shared blob directory" {
-    local remote_image=docker://quay.io/libpod/busybox:latest
-
-    local shareddir=$TESTDIR/shareddir
-    local dir1=$TESTDIR/dir1
-    local dir2=$TESTDIR/dir2
-
-    run_skopeo copy --dest-shared-blob-dir $shareddir \
-               $remote_image oci:$dir1
-    [ -n "$(ls $shareddir)" ]
-    [ -z "$(ls $dir1/blobs)" ]
-    run_skopeo copy --src-shared-blob-dir $shareddir \
-               oci:$dir1 oci:$dir2
-    diff -urN $shareddir $dir2/blobs
-}
-
 teardown() {
    podman rm -f reg

--- a/systemtest/030-local-registry-tls.bats
+++ b/systemtest/030-local-registry-tls.bats
@@ -8,7 +8,7 @@ load helpers
 function setup() {
    standard_setup

-    start_registry --with-cert --enable-delete=true reg
+    start_registry --with-cert reg
 }

@test "local registry, with cert" {
@@ -21,15 +21,6 @@ function setup() {
    run_skopeo copy --src-cert-dir=$TESTDIR/client-auth \
               docker://localhost:5000/busybox:unsigned \
               dir:$TESTDIR/extracted
-
-    # inspect with cert
-    run_skopeo inspect --cert-dir=$TESTDIR/client-auth \
-               docker://localhost:5000/busybox:unsigned
-    expect_output --substring "localhost:5000/busybox"
-
-    # delete with cert
-    run_skopeo delete --cert-dir=$TESTDIR/client-auth \
-               docker://localhost:5000/busybox:unsigned
 }

 teardown() {
--- a/systemtest/040-local-registry-auth.bats
+++ b/systemtest/040-local-registry-auth.bats
@@ -18,7 +18,7 @@ function setup() {
    testuser=testuser
    testpassword=$(random_string 15)

-    start_registry --testuser=$testuser --testpassword=$testpassword --enable-delete=true reg
+    start_registry --testuser=$testuser --testpassword=$testpassword reg
 }

@test "auth: credentials on command line" {
@@ -67,47 +67,6 @@ function setup() {
    expect_output --substring "unauthorized: authentication required"
 }

-@test "auth: copy with --src-creds and --dest-creds" {
-    run_skopeo copy --dest-tls-verify=false --dest-creds=$testuser:$testpassword \
-               docker://quay.io/libpod/busybox:latest \
-               docker://localhost:5000/busybox:mine
-    run_skopeo copy --src-tls-verify=false --src-creds=$testuser:$testpassword \
-               docker://localhost:5000/busybox:mine \
-               dir:$TESTDIR/dir1
-    run ls $TESTDIR/dir1
-    expect_output --substring "manifest.json"
-}
-
-@test "auth: credentials via authfile" {
-    podman login --tls-verify=false --authfile $TESTDIR/test.auth -u $testuser -p $testpassword localhost:5000
-
-    # copy without authfile: should fail
-    run_skopeo 1 copy --dest-tls-verify=false \
-               docker://quay.io/libpod/busybox:latest \
-               docker://localhost:5000/busybox:mine
-
-    # copy with authfile: should work
-    run_skopeo copy --dest-tls-verify=false \
-               --authfile $TESTDIR/test.auth \
-               docker://quay.io/libpod/busybox:latest \
-               docker://localhost:5000/busybox:mine
-
-    # inspect without authfile: should fail
-    run_skopeo 1 inspect --tls-verify=false docker://localhost:5000/busybox:mine
-    expect_output --substring "unauthorized: authentication required"
-
-    # inspect with authfile: should work
-    run_skopeo inspect --tls-verify=false --authfile $TESTDIR/test.auth docker://localhost:5000/busybox:mine
-    expect_output --substring "localhost:5000/busybox"
-
-    # delete without authfile: should fail
-    run_skopeo 1 delete --tls-verify=false docker://localhost:5000/busybox:mine
-    expect_output --substring "authentication required"
-
-    # delete with authfile: should work
-    run_skopeo delete --tls-verify=false --authfile $TESTDIR/test.auth docker://localhost:5000/busybox:mine
-}
-
 teardown() {
    podman rm -f reg

--- a/systemtest/050-signing.bats
+++ b/systemtest/050-signing.bats
@@ -143,75 +143,6 @@ END_PUSH
 END_TESTS
 }

-@test "signing: remove signature" {
-    run_skopeo '?' standalone-sign /dev/null busybox alice@test.redhat.com -o /dev/null
-    if [[ "$output" =~ 'signing is not supported' ]]; then
-        skip "skopeo built without support for creating signatures"
-        return 1
-    fi
-    if [ "$status" -ne 0 ]; then
-        die "exit code is $status; expected 0"
-    fi
-
-    # Cache local copy
-    run_skopeo copy docker://quay.io/libpod/busybox:latest \
-               dir:$TESTDIR/busybox
-    # Push a signed image
-    run_skopeo --registries.d $REGISTRIES_D \
-               copy --dest-tls-verify=false \
-               --sign-by=alice@test.redhat.com \
-               dir:$TESTDIR/busybox \
-               docker://localhost:5000/myns/alice:signed
-    # Fetch the image with signature
-    run_skopeo  --registries.d $REGISTRIES_D \
-                --policy $POLICY_JSON \
-                copy --src-tls-verify=false \
-                docker://localhost:5000/myns/alice:signed \
-                dir:$TESTDIR/busybox-signed
-    # Fetch the image with removing signature
-    run_skopeo  --registries.d $REGISTRIES_D \
-                --policy $POLICY_JSON \
-                copy --src-tls-verify=false \
-                --remove-signatures \
-                docker://localhost:5000/myns/alice:signed \
-                dir:$TESTDIR/busybox-unsigned
-    ls $TESTDIR/busybox-signed | grep "signature"
-    [ -z "$(ls $TESTDIR/busybox-unsigned | grep "signature")" ]
-}
-
-@test "signing: standalone" {
-    run_skopeo '?' standalone-sign /dev/null busybox alice@test.redhat.com -o /dev/null
-    if [[ "$output" =~ 'signing is not supported' ]]; then
-        skip "skopeo built without support for creating signatures"
-        return 1
-    fi
-    if [ "$status" -ne 0 ]; then
-        die "exit code is $status; expected 0"
-    fi
-
-    run_skopeo copy --dest-tls-verify=false \
-               docker://quay.io/libpod/busybox:latest \
-               docker://localhost:5000/busybox:latest
-    run_skopeo copy --src-tls-verify=false \
-               docker://localhost:5000/busybox:latest \
-               dir:$TESTDIR/busybox
-    # Standalone sign
-    run_skopeo standalone-sign -o $TESTDIR/busybox.signature \
-               $TESTDIR/busybox/manifest.json \
-               localhost:5000/busybox:latest \
-               alice@test.redhat.com
-    # Standalone verify
-    fingerprint=$(gpg --list-keys | grep -B1 alice.test.redhat.com | head -n 1)
-    run_skopeo standalone-verify $TESTDIR/busybox/manifest.json \
-               localhost:5000/busybox:latest \
-               $fingerprint \
-               $TESTDIR/busybox.signature
-    # manifest digest
-    digest=$(echo "$output" | awk '{print $4;}')
-    run_skopeo manifest-digest $TESTDIR/busybox/manifest.json
-    expect_output $digest
-}
-
 teardown() {
    podman rm -f reg

--- a/version/version.go
+++ b/version/version.go
@@ -1,4 +1,4 @@
 package version

 // Version is the version of the build.
-const Version = "1.3.1"
+const Version = "1.2.4"
Author	SHA1	Message	Date
Daniel J Walsh	9921983923	Merge pull request #1342 from containers/dev/tsweeney/v1.2.4 Bump to Skopeo v1.2.4, c/common to v0.38.12	2021-06-29 09:56:52 -04:00
TomSweeneyRedHat	c068f276fd	Bump to Skopeo v1.2.4, c/common to v0.38.12 Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>	2021-06-28 16:46:01 -04:00
Daniel J Walsh	ad58c02445	Merge pull request #1338 from containers/dev/tsweeney/vndrdance [release-1.2] bump c/storage, c/image, c/common for RHEL 8.4.0.2	2021-06-28 13:49:53 -04:00
TomSweeneyRedHat	fa50defee6	[release-1.2] bump c/storage, c/image, c/common for RHEL 8.4.0.2 Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>	2021-06-25 19:35:40 -04:00
Daniel J Walsh	e7880c4a89	Merge pull request #1224 from containers/dev/vdrdance2 Bump c/storage to v1.24.8 and c/image to v5.10.5 for RHEL 8.4	2021-03-11 15:04:36 -05:00
TomSweeneyRedHat	5a117bfc13	Bump c/storage to v1.24.8 and c/image to v5.10.5 for RHEL 8.4 in release-1.2 Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>	2021-03-11 14:28:33 -05:00
TomSweeneyRedHat	560a34af1b	Bump to v1.2.3-dev Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>	2021-02-22 16:54:16 +01:00
Daniel J Walsh	e72dd9c5c8	Merge pull request #1202 from containers/skopeo_v1.2.2_try2 Skopeo v1.2.2	2021-02-18 18:05:20 -05:00
TomSweeneyRedHat	b94b7dc0f0	Bump to Skopeo v1.2.2 Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>	2021-02-18 17:44:16 -05:00
Daniel J Walsh	3abb778b4d	Merge pull request #1197 from containers/dev/tsweeney/vendordance Bump c/common c/image and c/storage	2021-02-17 19:24:05 -05:00
TomSweeneyRedHat	f78bf42c12	Bump c/common c/image and c/storage to latest Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>	2021-02-17 16:13:37 -05:00
TomSweeneyRedHat	b4210c0ba0	Fix gating test in release-1.2 port #1169 Cherry pick of #1169 to get gatin tests happy. Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1914884 Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>	2021-02-14 12:24:07 +01:00
Miloslav Trmač	6c0e35a50c	Merge pull request #1187 from containers/dev/tsweeney/protobuf1.2 Bump vendor/modules.txt in release-1.2	2021-02-05 12:15:26 +01:00
TomSweeneyRedHat	af2d2b416f	Bump vendor/modules.txt in release-1.2 Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>	2021-02-04 20:18:37 -05:00
Daniel J Walsh	a05ddb8d1d	Merge pull request #1179 from containers/crypto_bump_release-1.2 Bump golang.org/x/crypto to the latest	2021-02-01 08:50:24 -05:00
TomSweeneyRedHat	8237787b53	Bump golang.org/x/crypto to the latest Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>	2021-01-30 18:45:06 -05:00