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Support empty env var when it can't be unset

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Signed-off-by: David Gageot <david.gageot@docker.com>
This commit is contained in:
David Gageot 2022-10-03 17:07:52 +02:00
parent 105c214d15
commit be7e91899b
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GPG Key ID: 93C3F22BE5D3A40B
2 changed files with 10 additions and 2 deletions
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4
build/git.go
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@ -15,8 +15,8 @@ import (
const DockerfileLabel = "com.docker.image.source.entrypoint" const DockerfileLabel = "com.docker.image.source.entrypoint"
func addGitProvenance(ctx context.Context, contextPath string, dockerfilePath string) (map[string]string, error) { func addGitProvenance(ctx context.Context, contextPath string, dockerfilePath string) (map[string]string, error) {
v, ok := os.LookupEnv("BUILDX_GIT_LABELS") v := os.Getenv("BUILDX_GIT_LABELS")
if !ok || contextPath == "" { if (v != "1" && v != "full") || contextPath == "" {
return nil, nil return nil, nil
} }
labels := make(map[string]string, 0) labels := make(map[string]string, 0)

8
build/git_test.go
View File

@ -64,6 +64,14 @@ func TestAddGitProvenanceDataWithoutEnv(t *testing.T) {
assert.Nilf(t, labels, "No labels expected") assert.Nilf(t, labels, "No labels expected")
} }
func TestAddGitProvenanceDataWitEmptyEnv(t *testing.T) {
defer setupTest(t)(t)
os.Setenv("BUILDX_GIT_LABELS", "")
labels, err := addGitProvenance(context.Background(), repoDir, filepath.Join(repoDir, "Dockerfile"))
assert.Nilf(t, err, "No error expected")
assert.Nilf(t, labels, "No labels expected")
}
func TestAddGitProvenanceDataWithoutLabels(t *testing.T) { func TestAddGitProvenanceDataWithoutLabels(t *testing.T) {
defer setupTest(t)(t) defer setupTest(t)(t)
os.Setenv("BUILDX_GIT_LABELS", "full") os.Setenv("BUILDX_GIT_LABELS", "full")