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63 lines
1.5 KiB
63 lines
1.5 KiB
package main
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import (
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"bufio"
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"context"
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"errors"
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"fmt"
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"io"
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"os"
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"strings"
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"dehub.dev/src/dehub.git/cmd/dehub/dcmd"
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"gopkg.in/src-d/go-git.v4/plumbing"
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)
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func cmdHook(ctx context.Context, cmd *dcmd.Cmd) {
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flag := cmd.FlagSet()
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preRcv := flag.Bool("pre-receive", false, "Use dehub as a server-side pre-receive hook")
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var repo repo
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repo.initFlags(flag)
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cmd.Run(func() (context.Context, error) {
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if !*preRcv {
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return nil, errors.New("must set the hook type")
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}
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if err := repo.openRepo(); err != nil {
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return nil, err
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}
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br := bufio.NewReader(os.Stdin)
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for {
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line, err := br.ReadString('\n')
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if errors.Is(err, io.EOF) {
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break
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} else if err != nil {
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return nil, fmt.Errorf("error reading next line from stdin: %w", err)
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}
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fmt.Printf("Processing line %q\n", strings.TrimSpace(line))
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lineParts := strings.Fields(line)
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if len(lineParts) < 3 {
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return nil, fmt.Errorf("malformed pre-receive hook stdin line %q", line)
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}
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endHash := plumbing.NewHash(lineParts[1])
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branchName := plumbing.ReferenceName(lineParts[2])
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if !branchName.IsBranch() {
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return nil, fmt.Errorf("reference %q is not a branch, can't push to it", branchName)
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} else if endHash == plumbing.ZeroHash {
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return nil, errors.New("deleting remote branches is not currently supported")
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}
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return nil, repo.VerifyCanSetBranchHEADTo(branchName, endHash)
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}
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fmt.Println("All pushed commits have been verified, well done.")
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return nil, nil
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})
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}
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