234 lines
6.9 KiB
Go
234 lines
6.9 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package repository
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import (
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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)
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func getHookTemplates() (hookNames, hookTpls, giteaHookTpls []string) {
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hookNames = []string{"pre-receive", "update", "post-receive"}
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hookTpls = []string{
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// for pre-receive
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fmt.Sprintf(`#!/usr/bin/env %s
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# AUTO GENERATED BY GITEA, DO NOT MODIFY
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data=$(cat)
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exitcodes=""
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hookname=$(basename $0)
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GIT_DIR=${GIT_DIR:-$(dirname $0)/..}
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for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do
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test -x "${hook}" && test -f "${hook}" || continue
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echo "${data}" | "${hook}"
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exitcodes="${exitcodes} $?"
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done
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for i in ${exitcodes}; do
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[ ${i} -eq 0 ] || exit ${i}
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done
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`, setting.ScriptType),
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// for update
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fmt.Sprintf(`#!/usr/bin/env %s
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# AUTO GENERATED BY GITEA, DO NOT MODIFY
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exitcodes=""
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hookname=$(basename $0)
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GIT_DIR=${GIT_DIR:-$(dirname $0/..)}
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for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do
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test -x "${hook}" && test -f "${hook}" || continue
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"${hook}" $1 $2 $3
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exitcodes="${exitcodes} $?"
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done
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for i in ${exitcodes}; do
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[ ${i} -eq 0 ] || exit ${i}
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done
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`, setting.ScriptType),
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// for post-receive
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fmt.Sprintf(`#!/usr/bin/env %s
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# AUTO GENERATED BY GITEA, DO NOT MODIFY
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data=$(cat)
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exitcodes=""
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hookname=$(basename $0)
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GIT_DIR=${GIT_DIR:-$(dirname $0)/..}
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for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do
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test -x "${hook}" && test -f "${hook}" || continue
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echo "${data}" | "${hook}"
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exitcodes="${exitcodes} $?"
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done
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for i in ${exitcodes}; do
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[ ${i} -eq 0 ] || exit ${i}
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done
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`, setting.ScriptType),
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}
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giteaHookTpls = []string{
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// for pre-receive
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fmt.Sprintf(`#!/usr/bin/env %s
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# AUTO GENERATED BY GITEA, DO NOT MODIFY
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%s hook --config=%s pre-receive
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`, setting.ScriptType, util.ShellEscape(setting.AppPath), util.ShellEscape(setting.CustomConf)),
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// for update
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fmt.Sprintf(`#!/usr/bin/env %s
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# AUTO GENERATED BY GITEA, DO NOT MODIFY
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%s hook --config=%s update $1 $2 $3
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`, setting.ScriptType, util.ShellEscape(setting.AppPath), util.ShellEscape(setting.CustomConf)),
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// for post-receive
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fmt.Sprintf(`#!/usr/bin/env %s
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# AUTO GENERATED BY GITEA, DO NOT MODIFY
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%s hook --config=%s post-receive
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`, setting.ScriptType, util.ShellEscape(setting.AppPath), util.ShellEscape(setting.CustomConf)),
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}
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// although only new git (>=2.29) supports proc-receive, it's still good to create its hook, in case the user upgrades git
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hookNames = append(hookNames, "proc-receive")
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hookTpls = append(hookTpls,
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fmt.Sprintf(`#!/usr/bin/env %s
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# AUTO GENERATED BY GITEA, DO NOT MODIFY
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%s hook --config=%s proc-receive
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`, setting.ScriptType, util.ShellEscape(setting.AppPath), util.ShellEscape(setting.CustomConf)))
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giteaHookTpls = append(giteaHookTpls, "")
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return hookNames, hookTpls, giteaHookTpls
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}
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// CreateDelegateHooks creates all the hooks scripts for the repo
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func CreateDelegateHooks(repoPath string) (err error) {
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hookNames, hookTpls, giteaHookTpls := getHookTemplates()
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hookDir := filepath.Join(repoPath, "hooks")
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for i, hookName := range hookNames {
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oldHookPath := filepath.Join(hookDir, hookName)
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newHookPath := filepath.Join(hookDir, hookName+".d", "gitea")
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if err := os.MkdirAll(filepath.Join(hookDir, hookName+".d"), os.ModePerm); err != nil {
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return fmt.Errorf("create hooks dir '%s': %w", filepath.Join(hookDir, hookName+".d"), err)
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}
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// WARNING: This will override all old server-side hooks
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if err = util.Remove(oldHookPath); err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("unable to pre-remove old hook file '%s' prior to rewriting: %w ", oldHookPath, err)
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}
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if err = os.WriteFile(oldHookPath, []byte(hookTpls[i]), 0o777); err != nil {
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return fmt.Errorf("write old hook file '%s': %w", oldHookPath, err)
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}
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if err = ensureExecutable(oldHookPath); err != nil {
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return fmt.Errorf("Unable to set %s executable. Error %w", oldHookPath, err)
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}
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if err = util.Remove(newHookPath); err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("unable to pre-remove new hook file '%s' prior to rewriting: %w", newHookPath, err)
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}
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if err = os.WriteFile(newHookPath, []byte(giteaHookTpls[i]), 0o777); err != nil {
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return fmt.Errorf("write new hook file '%s': %w", newHookPath, err)
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}
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if err = ensureExecutable(newHookPath); err != nil {
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return fmt.Errorf("Unable to set %s executable. Error %w", oldHookPath, err)
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}
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}
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return nil
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}
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func checkExecutable(filename string) bool {
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// windows has no concept of a executable bit
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if runtime.GOOS == "windows" {
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return true
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}
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fileInfo, err := os.Stat(filename)
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if err != nil {
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return false
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}
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return (fileInfo.Mode() & 0o100) > 0
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}
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func ensureExecutable(filename string) error {
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fileInfo, err := os.Stat(filename)
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if err != nil {
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return err
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}
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if (fileInfo.Mode() & 0o100) > 0 {
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return nil
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}
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mode := fileInfo.Mode() | 0o100
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return os.Chmod(filename, mode)
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}
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// CheckDelegateHooks checks the hooks scripts for the repo
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func CheckDelegateHooks(repoPath string) ([]string, error) {
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hookNames, hookTpls, giteaHookTpls := getHookTemplates()
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hookDir := filepath.Join(repoPath, "hooks")
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results := make([]string, 0, 10)
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for i, hookName := range hookNames {
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oldHookPath := filepath.Join(hookDir, hookName)
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newHookPath := filepath.Join(hookDir, hookName+".d", "gitea")
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cont := false
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isExist, err := util.IsExist(oldHookPath)
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if err != nil {
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results = append(results, fmt.Sprintf("unable to check if %s exists. Error: %v", oldHookPath, err))
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}
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if err == nil && !isExist {
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results = append(results, fmt.Sprintf("old hook file %s does not exist", oldHookPath))
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cont = true
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}
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isExist, err = util.IsExist(oldHookPath + ".d")
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if err != nil {
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results = append(results, fmt.Sprintf("unable to check if %s exists. Error: %v", oldHookPath+".d", err))
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}
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if err == nil && !isExist {
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results = append(results, fmt.Sprintf("hooks directory %s does not exist", oldHookPath+".d"))
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cont = true
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}
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isExist, err = util.IsExist(newHookPath)
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if err != nil {
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results = append(results, fmt.Sprintf("unable to check if %s exists. Error: %v", newHookPath, err))
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}
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if err == nil && !isExist {
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results = append(results, fmt.Sprintf("new hook file %s does not exist", newHookPath))
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cont = true
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}
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if cont {
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continue
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}
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contents, err := os.ReadFile(oldHookPath)
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if err != nil {
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return results, err
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}
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if string(contents) != hookTpls[i] {
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results = append(results, fmt.Sprintf("old hook file %s is out of date", oldHookPath))
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}
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if !checkExecutable(oldHookPath) {
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results = append(results, fmt.Sprintf("old hook file %s is not executable", oldHookPath))
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}
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contents, err = os.ReadFile(newHookPath)
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if err != nil {
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return results, err
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}
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if string(contents) != giteaHookTpls[i] {
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results = append(results, fmt.Sprintf("new hook file %s is out of date", newHookPath))
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}
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if !checkExecutable(newHookPath) {
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results = append(results, fmt.Sprintf("new hook file %s is not executable", newHookPath))
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}
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}
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return results, nil
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}
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