pkg: Simplify dirty handling

By setting `DIRTY` to either "-dirty" or "" directly we can simply use
`$(HASH)$(DIRTY)` and avoid make adding a space as it does with `+=`.

For the push check we now block pushing if `$(DIRTY)` is non-empty.

Signed-off-by: Ian Campbell <ian.campbell@docker.com>
This commit is contained in:
Ian Campbell 2017-06-28 11:56:09 +01:00
parent 55f537631a
commit b6728a85e9

View File

@ -5,18 +5,8 @@ ORG?=linuxkit
HASH?=$(shell git ls-tree HEAD -- ../$(notdir $(CURDIR)) | awk '{print $$3}')
BASE_DEPS=Dockerfile Makefile
# Add '-dirty' to hash if the repository is not clean. make does not
# concatenate strings without spaces, so we use the documented trick
# of replacing the space with nothing.
DIRTY=$(shell git diff-index --quiet HEAD --; echo $$?)
ifneq ($(DIRTY),0)
HASH+=-dirty
nullstring :=
space := $(nullstring) $(nullstring)
TAG=$(subst $(space),,$(HASH))
else
TAG=$(HASH)
endif
DIRTY=$(shell git diff-index --quiet HEAD -- ) || echo "-dirty")
TAG=$(HASH)$(DIRTY)
# Get a release tag, if present
RELEASE=$(shell git tag -l --points-at HEAD)
@ -35,7 +25,7 @@ tag: $(BASE_DEPS) $(DEPS)
docker build $(NET_OPT) -t $(ORG)/$(IMAGE):$(TAG) .
push: tag
ifneq ($(DIRTY),0)
ifneq ($(DIRTY),)
$(error Your repository is not clean. Will not push package image.)
endif
DOCKER_CONTENT_TRUST=1 docker pull $(ORG)/$(IMAGE):$(TAG) || \