mirror of
https://github.com/autc04/Retro68.git
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69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
package gzip
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import (
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"internal/testenv"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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"testing"
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)
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// TestGZIPFilesHaveZeroMTimes checks that every .gz file in the tree
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// has a zero MTIME. This is a requirement for the Debian maintainers
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// to be able to have deterministic packages.
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//
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// See https://golang.org/issue/14937.
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func TestGZIPFilesHaveZeroMTimes(t *testing.T) {
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// To avoid spurious false positives due to untracked GZIP files that
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// may be in the user's GOROOT (Issue 18604), we only run this test on
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// the builders, which should have a clean checkout of the tree.
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if testenv.Builder() == "" {
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t.Skip("skipping test on non-builder")
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}
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goroot, err := filepath.EvalSymlinks(runtime.GOROOT())
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if err != nil {
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t.Fatal("error evaluating GOROOT: ", err)
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}
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var files []string
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err = filepath.Walk(goroot, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if !info.IsDir() && strings.HasSuffix(path, ".gz") {
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files = append(files, path)
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}
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return nil
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})
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if err != nil {
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if os.IsNotExist(err) {
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t.Skipf("skipping: GOROOT directory not found: %s", runtime.GOROOT())
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}
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t.Fatal("error collecting list of .gz files in GOROOT: ", err)
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}
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if len(files) == 0 {
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t.Fatal("expected to find some .gz files under GOROOT")
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}
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for _, path := range files {
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checkZeroMTime(t, path)
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}
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}
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func checkZeroMTime(t *testing.T, path string) {
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f, err := os.Open(path)
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if err != nil {
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t.Error(err)
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return
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}
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defer f.Close()
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gz, err := NewReader(f)
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if err != nil {
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t.Errorf("cannot read gzip file %s: %s", path, err)
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return
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}
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defer gz.Close()
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if !gz.ModTime.IsZero() {
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t.Errorf("gzip file %s has non-zero mtime (%s)", path, gz.ModTime)
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}
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}
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