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mugit @ b7d443e8a3500c515592d0a4d8ff4dd35fd28dc2

🐮 git server that your cow will love

mugit/internal/git/gitx/pack.go (view raw)

Oleksandr Smirnov Oleksandr Smirnov
olexsmir@gmail.com
git: refactor gitserver again; and rename, 3 months ago
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package gitx
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import (
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	"context"
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	"fmt"
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	"io"
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	"os/exec"
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	"syscall"
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)
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// InfoRefs executes git-upload-pack --advertise-refs for smart-HTTP discovery.
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func InfoRefs(ctx context.Context, repoDir string, out io.Writer) error {
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	cmd := exec.CommandContext(ctx, "git", []string{
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		"-c", "uploadpack.allowFilter=true",
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		"upload-pack",
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		"--stateless-rpc",
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		"--advertise-refs",
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		".",
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	}...)
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	cmd.Dir = repoDir
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	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
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	cmd.Env = gitEnv
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	cmd.Stdout = out
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	cmd.Stderr = out // TODO: Check if this is correct.
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	if err := PackLine(out, "# service=git-upload-pack\n"); err != nil {
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		return fmt.Errorf("write pack line: %w", err)
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	}
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	if err := PackFlush(out); err != nil {
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		return fmt.Errorf("flush pack: %w", err)
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	}
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	if err := cmd.Run(); err != nil {
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		return fmt.Errorf("git-upload-pack: %w", err)
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	}
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	return nil
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}
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// UploadPack executes git-upload-pack for smart-HTTP git fetch/clone.
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// StatelessRPC should be true in case it's used over http, and false for ssh.
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func UploadPack(ctx context.Context, repoDir string, statelessRPC bool, in io.Reader, out io.Writer) error {
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	args := []string{"-c", "uploadpack.allowFilter=true", "upload-pack"}
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	if statelessRPC {
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		args = append(args, "--stateless-rpc")
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	}
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	args = append(args, ".")
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	cmd := exec.CommandContext(ctx, "git", args...)
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	cmd.Dir = repoDir
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	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
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	cmd.Env = gitEnv
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	cmd.Stdin = in
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	cmd.Stdout = out
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	cmd.Stderr = out // TODO: Check if this is correct.
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	if err := cmd.Run(); err != nil {
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		return fmt.Errorf("git-upload-pack: %w", err)
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	}
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	return nil
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}
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// ReceivePack executes git-receive-pack for git push.
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func ReceivePack(ctx context.Context, repoDir string, in io.Reader, out, errout io.Writer) error {
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	cmd := exec.CommandContext(ctx, "git", "receive-pack", ".")
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	cmd.Dir = repoDir
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	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
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	cmd.Env = gitEnv
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	cmd.Stdin = in
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	cmd.Stdout = out
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	cmd.Stderr = errout
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	if err := cmd.Run(); err != nil {
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		return fmt.Errorf("git-receive-pack: %w", err)
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	}
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	return nil
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}