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fix: Follow symlinks when searching for globs in all-layers scope (#1221)

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Keith Zantow 2022-09-30 13:01:08 -04:00 committed by GitHub
parent dd7c654ed0
commit 4d2f18218c
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 23 additions and 1 deletions
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2
syft/source/all_layers_resolver.go
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@ -126,7 +126,7 @@ func (r *allLayersResolver) FilesByGlob(patterns ...string) ([]Location, error)
for _, pattern := range patterns {
for idx, layerIdx := range r.layers {
results, err := r.img.Layers[layerIdx].Tree.FilesByGlob(pattern, filetree.FollowBasenameLinks, filetree.DoNotFollowDeadBasenameLinks)
results, err := r.img.Layers[layerIdx].SquashedTree.FilesByGlob(pattern, filetree.FollowBasenameLinks, filetree.DoNotFollowDeadBasenameLinks)
if err != nil {
return nil, fmt.Errorf("failed to resolve files by glob (%s): %w", pattern, err)
}

20
test/integration/all_layers_squashed_comparison_test.go Normal file
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@ -0,0 +1,20 @@
package integration
import (
"testing"
"github.com/anchore/syft/syft/source"
)
func Test_AllLayersIncludesSquashed(t *testing.T) {
// This is a verification test for issue #894 (https://github.com/anchore/syft/issues/894)
allLayers, _ := catalogFixtureImage(t, "image-suse-all-layers", source.AllLayersScope, nil)
squashed, _ := catalogFixtureImage(t, "image-suse-all-layers", source.SquashedScope, nil)
lenAllLayers := len(allLayers.Artifacts.PackageCatalog.Sorted())
lenSquashed := len(squashed.Artifacts.PackageCatalog.Sorted())
if lenAllLayers < lenSquashed {
t.Errorf("squashed has more packages than all-layers: %d > %d", lenSquashed, lenAllLayers)
}
}

2
test/integration/test-fixtures/image-suse-all-layers/Dockerfile Normal file
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@ -0,0 +1,2 @@
FROM registry.suse.com/suse/sle15:15.3.17.20.20
RUN zypper in -y wget