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Merge pull request #18 from mzihlmann/warn-about-cache-misses 

RUN commands dont specify which files were added
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Martin Zihlmann 2025-05-27 21:56:57 +01:00 committed by GitHub
parent 8b37861b78 b058214391
commit 2d14b6a277
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1 changed files with 2 additions and 1 deletions
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pkg/executor/build.go
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@ -437,7 +437,8 @@ func (s *stageBuilder) build() error {
// Raise Warnings for commands that are uncacheable // Raise Warnings for commands that are uncacheable
switch command.(type) { switch command.(type) {
case *commands.RunCommand: case *commands.RunCommand:
if len(files) == 0 { fi, err := os.Stat(tarPath)
if err == nil && fi.Size() <= emptyTarSize {
logrus.Warn("cache-violation: RUN created an empty layer, this will cause a diff when rebuilding from cache for the first time.") logrus.Warn("cache-violation: RUN created an empty layer, this will cause a diff when rebuilding from cache for the first time.")
} }
case *commands.WorkdirCommand: case *commands.WorkdirCommand: