mirror of
https://github.com/thomiceli/opengist.git
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Set gist visibility via Git push options (#215)
This commit is contained in:
78
internal/hooks/pre_receive.go
Normal file
78
internal/hooks/pre_receive.go
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@ -0,0 +1,78 @@
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package hooks
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import (
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"bufio"
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"bytes"
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"fmt"
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"io"
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"os/exec"
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"strings"
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)
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func PreReceive(in io.Reader, out, er io.Writer) error {
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var err error
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var disallowedFiles []string
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var disallowedCommits []string
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scanner := bufio.NewScanner(in)
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for scanner.Scan() {
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line := scanner.Text()
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parts := strings.Split(line, " ")
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if len(parts) < 3 {
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_, _ = fmt.Fprintln(er, "Invalid input")
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return fmt.Errorf("invalid input")
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}
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oldRev, newRev := parts[0], parts[1]
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var changedFiles string
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if oldRev == BaseHash {
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// First commit
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if changedFiles, err = getChangedFiles(newRev); err != nil {
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_, _ = fmt.Fprintln(er, "Failed to get changed files")
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return err
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}
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} else {
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if changedFiles, err = getChangedFiles(fmt.Sprintf("%s..%s", oldRev, newRev)); err != nil {
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_, _ = fmt.Fprintln(er, "Failed to get changed files")
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return err
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}
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}
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var currentCommit string
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for _, file := range strings.Fields(changedFiles) {
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if strings.HasPrefix(file, "/") {
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currentCommit = file[1:]
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}
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if strings.Contains(file[1:], "/") {
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disallowedFiles = append(disallowedFiles, file)
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disallowedCommits = append(disallowedCommits, currentCommit[0:7])
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}
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}
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}
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if len(disallowedFiles) > 0 {
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_, _ = fmt.Fprintln(out, "\nPushing files in directories is not allowed:")
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for i := range disallowedFiles {
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_, _ = fmt.Fprintf(out, " %s (%s)\n", disallowedFiles[i], disallowedCommits[i])
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}
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_, _ = fmt.Fprintln(out)
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return fmt.Errorf("pushing files in directories is not allowed: %s", disallowedFiles)
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}
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return nil
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}
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func getChangedFiles(rev string) (string, error) {
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cmd := exec.Command("git", "log", "--name-only", "--format=/%H", "--diff-filter=AM", rev)
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var out bytes.Buffer
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cmd.Stdout = &out
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err := cmd.Run()
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if err != nil {
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return "", err
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}
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return out.String(), nil
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}
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