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feat: Implement golang native hash command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,17 +1,45 @@ | ||
| package version | ||
|
|
||
| import ( | ||
| "crypto/sha256" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "sort" | ||
| "strings" | ||
|
|
||
| "github.com/radiofrance/dib/exec" | ||
| "github.com/wolfeidau/humanhash" | ||
| "golang.org/x/mod/sumdb/dirhash" | ||
| ) | ||
|
|
||
| // getDockerVersionHash returns the revision hash of the docker directory. | ||
| func getDockerVersionHash(exec exec.Executor) (string, error) { | ||
| cmd := "find docker -type f -print0 | sort -z | xargs -0 sha1sum | sha1sum | cut -d ' ' -f 1" | ||
| res, err := exec.Execute("bash", "-c", cmd) | ||
| // GetDockerVersionHash returns the revision hash of the build directory. | ||
| func GetDockerVersionHash(buildPath string) (string, error) { | ||
| return dirhash.HashDir(buildPath, "", humanReadableHashFn) | ||
| } | ||
|
|
||
| func humanReadableHashFn(files []string, open func(string) (io.ReadCloser, error)) (string, error) { | ||
| hash := sha256.New() | ||
| files = append([]string(nil), files...) | ||
| sort.Strings(files) | ||
| for _, file := range files { | ||
| if strings.Contains(file, "\n") { | ||
| return "", errors.New("dirhash: filenames with newlines are not supported") | ||
| } | ||
| readCloser, err := open(file) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| hashFile := sha256.New() | ||
| _, err = io.Copy(hashFile, readCloser) | ||
| readCloser.Close() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| fmt.Fprintf(hash, "%x %s\n", hashFile.Sum(nil), file) | ||
| } | ||
| humanReadableHash, err := humanhash.Humanize(hash.Sum(nil), 4) | ||
| if err != nil { | ||
| return "", err | ||
| return "", fmt.Errorf("could not humanize hash: %w", err) | ||
| } | ||
| return strings.TrimSuffix(res, "\n"), nil | ||
| return humanReadableHash, nil | ||
| } |
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