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Merge pull request #23 from mzihlmann/workdir-cache-2 

simplify logic for detecting empty layers
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Martin Zihlmann 2025-05-29 23:57:38 +01:00 committed by GitHub
parent db53db7401 6a7139eeec
commit 685c1a6c5b
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1 changed files with 3 additions and 3 deletions
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6
pkg/executor/build.go
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@ -416,9 +416,9 @@ func (s *stageBuilder) build() error {
if isCacheCommand { if isCacheCommand {
v := command.(commands.Cached) v := command.(commands.Cached)
layer := v.Layer() layer := v.Layer()
if (files != nil || layer == nil) && len(files) == 0 { if layer == nil || (files != nil && len(files) == 0) {
// a cache image with a layer with no files indicates that no files were changed, ie. by 'RUN echo hello' // a cache image without a layer indicates that no files were changed, ie. by 'WORKDIR /'
// a cache image without a layer indicates that no files were changed too, ie. by 'WORKDIR /' // a cache image with a layer with no files indicates that no files were changed too, ie. by 'RUN echo hello'
logrus.Info("No files were changed, appending empty layer to config. No layer added to image.") logrus.Info("No files were changed, appending empty layer to config. No layer added to image.")
} else { } else {
if err := s.saveLayerToImage(layer, command.String()); err != nil { if err := s.saveLayerToImage(layer, command.String()); err != nil {