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Simplify delta generation, and avoid two-pass with img backend

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This changeset also drops --keep-exported-images, which is quite unused
and can be replaced with a plugin, or either by manually exporting the
resulting images.
This commit is contained in:
Ettore Di Giacinto
2021-01-24 12:27:07 +01:00
parent 0ae8cbb877
commit 7d11df3225
6 changed files with 46 additions and 93 deletions
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9
pkg/compiler/backend/diff_test.go
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@@ -33,8 +33,7 @@ var _ = Describe("Docker image diffs", func() {
Context("Generate diffs from docker images", func() {
It("Detect no changes", func() {
opts := compiler.CompilerBackendOptions{
ImageName: "alpine:latest",
Destination: "alpine:latest",
ImageName: "alpine:latest",
}
err := b.DownloadImage(opts)
Expect(err).ToNot(HaveOccurred())
@@ -58,11 +57,9 @@ var _ = Describe("Docker image diffs", func() {
Expect(err).ToNot(HaveOccurred())
layers, err := GenerateChanges(b, compiler.CompilerBackendOptions{
ImageName: "quay.io/mocaccino/micro",
Destination: "quay.io/mocaccino/micro",
ImageName: "quay.io/mocaccino/micro",
}, compiler.CompilerBackendOptions{
ImageName: "quay.io/mocaccino/extra",
Destination: "quay.io/mocaccino/extra",
ImageName: "quay.io/mocaccino/extra",
})
Expect(err).ToNot(HaveOccurred())
Expect(len(layers)).To(Equal(1))