forgejo/modules/repository/hooks.go
zeripath 987798a3a9
Executable check always returns true for windows () ()
Backport 

Windows doesn't have the concept of "executable" POSIX bits so for now always return true to minimise doctor and logging noise. Addresses 

Co-authored-by: silverwind <me@silverwind.io>

Co-authored-by: JonRB <4564448+eeyrjmr@users.noreply.github.com>
Co-authored-by: silverwind <me@silverwind.io>
2022-08-17 23:34:29 +01:00

241 lines
7.1 KiB
Go

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