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Add --dry-run option to pull cmd #1818
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satotake
commented
Jun 20, 2021
| @@ -163,7 +167,19 @@ func (s *composeService) getBuildOptions(project *types.Project, images map[stri | |||
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| func (s *composeService) getLocalImagesDigests(ctx context.Context, project *types.Project) (map[string]string, error) { | |||
| func (s *composeService) getLocalImagesIDs(ctx context.Context, project *types.Project) (map[string]string, error) { | |||
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Image ID is different from RepoDigests values. I was confused and renamed it.
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What I did
Add
--dry-runoption topullcommand.Our final goal is adding the
--dry-runtoupand I started with the case ofpullat first.This is a proposal.
Example usage
$ docker compose --project-directory local/e2e/compose/fixtures/dry-run-test/pull/ pull --dry-run --format json { "Services": [ { "Name": "expectedSkip", "Image": "alpine", "LocalDigests": [ "sha256:234cb88d3020898631af0ccbbcca9a66ae7306ecd30c9720690858c1b007d2a0" ], "DistributionDigest": "sha256:234cb88d3020898631af0ccbbcca9a66ae7306ecd30c9720690858c1b007d2a0", "Plan": "skip" }, { "Name": "expectedFail", "Image": "expected-not-to-be-registered", "LocalDigests": [], "DistributionDigest": "", "Plan": "fail" }, { "Name": "expectedFetch", "Image": "hello-world", "LocalDigests": [], "DistributionDigest": "sha256:9f6ad537c5132bcce57f7a0a20e317228d382c3cd61edae14650eec68b2b345c", "Plan": "fetch" } ] }Related issue
https://github.com/docker/compose-cli/issues/1090
UPDATE:
Example usages' style was broken. fixed.