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Description
Docker provides a way for referring to images by their SHA hash instead of tags, like this:
$ docker pull pierrezemb/gostatic@sha256:e28d48e17840c5104b5133c30851ac45903b1d2f268d108c4cd0884802c9c87e
$ docker images|grep gostatic
pierrezemb/gostatic <none> 4569615e9ed0 2 weeks ago
7.72MBNotice the <none> part.
Now, apparently this causes the docker layer caching action to do the equivalent of following under the hood:
$ docker history -q 'pierrezemb/gostatic:<none>'
Error response from daemon: invalid reference formatIn the logs of Github build I see:
docker history -q pierrezemb/gostatic:<none>
Error: The process '/usr/bin/docker' failed with exit code 1
at ExecState._setResult (/home/runner/work/_actions/satackey/action-docker-layer-caching/v0.0.5/dist/ttsc-dist/post.js/index.js:1300:25)
at ExecState.CheckComplete (/home/runner/work/_actions/satackey/action-docker-layer-caching/v0.0.5/dist/ttsc-dist/post.js/index.js:1283:18)
at ChildProcess.<anonymous> (/home/runner/work/_actions/satackey/action-docker-layer-caching/v0.0.5/dist/ttsc-dist/post.js/index.js:1183:27)
at ChildProcess.emit (events.js:210:5)
at maybeClose (internal/child_process.js:1021:16)
at Process.ChildProcess._handle.onexit (internal/child_process.js:283:5)
##[error]Error: The process '/usr/bin/docker' failed with exit code 1