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Add a global --registries.d option to skopeo

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This is added pretty much only for integration tests right now;
though, it might be useful also for non-root operation.

Also makes a tiny cleanup of contextFromGlobalOptions, removing a
variable.
This commit is contained in:
Miloslav Trmač
2016-09-09 23:37:03 +02:00
parent f46da343e2
commit b6fdea03f2
3 changed files with 15 additions and 4 deletions
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10
docs/skopeo.1.md
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@@ -45,6 +45,8 @@ Most commands refer to container images, using a _transport_`:`_details_ format.
**--policy** _path-to-policy_ Path to a policy.json file to use for verifying signatures and deciding whether an image is trusted, overriding the default trust policy file.
**--registries.d** _dir_ use registry configuration files in _dir_ (e.g. for docker signature storage), overriding the default path.
**--tls-verify** _bool-value_ Verify certificates
**--help**|**-h** Show help
@@ -64,7 +66,7 @@ Uses the system's trust policy to validate images, rejects images not trusted by
_destination-image_ use the "image name" format described above
**--remove-signatures** do not copy signatures, if any, from _source-image_. Necessary when copying a signed image to a destination which does not support signatures.
**--remove-signatures** do not copy signatures, if any, from _source-image_. Necessary when copying a signed image to a destination which does not support signatures.
**--sign-by=**_key-id_ add a signature using that key ID for an image name corresponding to _destination-image_
@@ -100,7 +102,7 @@ Get image layers of _image-name_
## skopeo manifest-digest
**skopeo manifest-digest** _manifest-file_
Compute a manifest digest of _manifest-file_ and write it to standard output.
Compute a manifest digest of _manifest-file_ and write it to standard output.
## skopeo standalone-sign
**skopeo standalone-sign** _manifest docker-reference key-fingerprint_ **--output**|**-o** _signature_
@@ -139,6 +141,10 @@ show help for `skopeo`
Default trust policy file, if **--policy** is not specified.
The policy format is documented in https://github.com/containers/image/blob/master/docs/policy.json.md .
**/etc/containers/registries.d**
Default directory containing registry configuration, if **--registries.d** is not specified.
The contents of this directory are documented in https://github.com/containers/image/blob/master/docs/registries.d.md .
# EXAMPLES
## skopeo copy