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at fix-env-test
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package hook
import ( "errors" "fmt" "os" "path/filepath" "strings"
"github.com/go-git/go-git/v5")
var ErrNoGitRepo = errors.New("not a git repo")var ErrCreatingHookDir = errors.New("failed to create hooks directory")var ErrCreatingHook = errors.New("failed to create hook")var ErrCreatingDelegate = errors.New("failed to create delegate hook")
type config struct { scanPath string internalApi string}
type setupOpt func(*config)
func WithScanPath(scanPath string) setupOpt { return func(c *config) { c.scanPath = scanPath }}
func WithInternalApi(api string) setupOpt { return func(c *config) { c.internalApi = api }}
func Config(opts ...setupOpt) config { config := config{} for _, o := range opts { o(&config) } return config}
// setup hooks for all users//// directory structure is typically like so://// did:plc:foobar/repo1// did:plc:foobar/repo2// did:web:barbaz/repo1func Setup(config config) error { // iterate over all directories in current directory: userDirs, err := os.ReadDir(config.scanPath) if err != nil { return err }
for _, user := range userDirs { if !user.IsDir() { continue }
did := user.Name() if !strings.HasPrefix(did, "did:") { continue }
userPath := filepath.Join(config.scanPath, did) if err := SetupUser(config, userPath); err != nil { return err } }
return nil}
// setup hooks in /scanpath/did:plc:userfunc SetupUser(config config, userPath string) error { repos, err := os.ReadDir(userPath) if err != nil { return err }
for _, repo := range repos { if !repo.IsDir() { continue }
path := filepath.Join(userPath, repo.Name()) if err := SetupRepo(config, path); err != nil { if errors.Is(err, ErrNoGitRepo) { continue } return err } }
return nil}
// setup hook in /scanpath/did:plc:user/repofunc SetupRepo(config config, path string) error { if _, err := git.PlainOpen(path); err != nil { return fmt.Errorf("%s: %w", path, ErrNoGitRepo) }
preReceiveD := filepath.Join(path, "hooks", "post-receive.d") if err := os.MkdirAll(preReceiveD, 0755); err != nil { return fmt.Errorf("%s: %w", preReceiveD, ErrCreatingHookDir) }
notify := filepath.Join(preReceiveD, "40-notify.sh") if err := mkHook(config, notify); err != nil { return fmt.Errorf("%s: %w", notify, ErrCreatingHook) }
delegate := filepath.Join(path, "hooks", "post-receive") if err := mkDelegate(delegate); err != nil { return fmt.Errorf("%s: %w", delegate, ErrCreatingDelegate) }
return nil}
func mkHook(config config, hookPath string) error { executablePath, err := os.Executable() if err != nil { return err }
hookContent := fmt.Sprintf(`#!/usr/bin/env bash# AUTO GENERATED BY KNOT, DO NOT MODIFY%s hook -git-dir "$GIT_DIR" -user-did "$GIT_USER_DID" -user-handle "$GIT_USER_HANDLE" -internal-api "%s" post-recieve `, executablePath, config.internalApi)
return os.WriteFile(hookPath, []byte(hookContent), 0755)}
func mkDelegate(path string) error { content := fmt.Sprintf(`#!/usr/bin/env bash# AUTO GENERATED BY KNOT, DO NOT MODIFYdata=$(cat)exitcodes=""hookname=$(basename $0)GIT_DIR="$PWD"
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 `)
return os.WriteFile(path, []byte(content), 0755)}