mugit @ v0.3.0

package git

import (

	"fmt"

	"os"

	"os/exec"

	"path/filepath"

)

const hookDelegateScriptBody = `# AUTO GENERATED BY MUGIT, DO NOT MODIFY

data=$(cat)

exitcodes=""

hookname=$(basename "$0")

git_dir="${GIT_DIR:-$(dirname "$0")/..}"

for hook in "${git_dir}/hooks/${hookname}.d"/*; do

  test -x "${hook}" && test -f "${hook}" || continue

  echo "${data}" | "${hook}" "$@"

  exitcodes="${exitcodes} $?"

done

for i in ${exitcodes}; do

  [ ${i} -eq 0 ] || exit ${i}

done

`

var serverHookNames = []string{"pre-receive", "post-receive", "post-update", "update"}

func hookDelegateScript() (string, error) {

	bashPath, err := exec.LookPath("bash")

	if err != nil {

		return "", fmt.Errorf("failed to locate bash: %w", err)

	}

	return fmt.Sprintf("#!%s\n%s", bashPath, hookDelegateScriptBody), nil

}

// SetupHooks installs default server-side hook delegates for this repository.

func (g *Repo) SetupHooks() error {

	delegateScript, err := hookDelegateScript()

	if err != nil {

		return err

	}

	for _, hook := range serverHookNames {

		hookDir := filepath.Join(g.path, "hooks", hook+".d")

		if err := os.MkdirAll(hookDir, 0o755); err != nil {

			return fmt.Errorf("failed to create %s: %w", hookDir, err)

		}

		delegatePath := filepath.Join(g.path, "hooks", hook)

		if err := os.WriteFile(delegatePath, []byte(delegateScript), 0o755); err != nil {

			return fmt.Errorf("failed to write hook delegate %s: %w", delegatePath, err)

		}

	}

	return nil

}