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rewrite pre-commit, post-commit and options hooks (fixes #1250) #1257

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merged 7 commits into from
Mar 23, 2017
Merged

rewrite pre-commit, post-commit and options hooks (fixes #1250) #1257

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0636e3e
issue #1250, replace {pre,post}-receive and update hooks with a singl…
philfry Mar 14, 2017
83a4fe5
issue #1250, make script posix compilant
philfry Mar 15, 2017
54329e5
v23, add migration script to update {pre,post}-receive and update hooks
philfry Mar 21, 2017
e9ba36b
migration: use a more common name and rename v23 to v26 to avoid conf…
philfry Mar 21, 2017
74ca820
Merge branch 'master' into fix_hooks
philfry Mar 21, 2017
7d88e22
gofmt'ed and added copyright header
philfry Mar 22, 2017
5c81ed6
fix SyncRepositoryHooks to also sync wiki repos
philfry Mar 22, 2017
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8 changes: 2 additions & 6 deletions models/repo.go
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Original file line number Diff line number Diff line change
Expand Up @@ -845,11 +845,7 @@ func cleanUpMigrateGitConfig(configPath string) error {
func createDelegateHooks(repoPath string) (err error) {
var (
hookNames = []string{"pre-receive", "update", "post-receive"}
hookTpls = []string{
fmt.Sprintf("#!/usr/bin/env %s\nORI_DIR=`pwd`\nSHELL_FOLDER=$(cd \"$(dirname \"$0\")\";pwd)\ncd \"$ORI_DIR\"\nfor i in `ls \"$SHELL_FOLDER/pre-receive.d\"`; do\n sh \"$SHELL_FOLDER/pre-receive.d/$i\"\ndone", setting.ScriptType),
fmt.Sprintf("#!/usr/bin/env %s\nORI_DIR=`pwd`\nSHELL_FOLDER=$(cd \"$(dirname \"$0\")\";pwd)\ncd \"$ORI_DIR\"\nfor i in `ls \"$SHELL_FOLDER/update.d\"`; do\n sh \"$SHELL_FOLDER/update.d/$i\" $1 $2 $3\ndone", setting.ScriptType),
fmt.Sprintf("#!/usr/bin/env %s\nORI_DIR=`pwd`\nSHELL_FOLDER=$(cd \"$(dirname \"$0\")\";pwd)\ncd \"$ORI_DIR\"\nfor i in `ls \"$SHELL_FOLDER/post-receive.d\"`; do\n sh \"$SHELL_FOLDER/post-receive.d/$i\"\ndone", setting.ScriptType),
}
hookTpl = fmt.Sprintf("#!/usr/bin/env %s\ndata=$(cat)\nexitcodes=()\nhookname=$(basename $0)\nGIT_DIR=${GIT_DIR:-$(dirname $0)}\n\nfor hook in ${GIT_DIR}/hooks/${hookname}.d/*; do\ntest -x \"${hook}\" || continue\necho \"${data}\" | \"${hook}\"\nexitcodes+=($?)\ndone\n\nfor i in \"${exitcodes[@]}\"; do\n[ \"${i}\" == 0 ] || exit ${i}\ndone\n", setting.ScriptType)
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bash-specific syntax ($(cat)) in what could be running with something else (setting.ScriptType).
Not that I understand how can Gitea possibly contains code to be run by unknown scripts, anyway the app.ini Cheat Sheet says ScriptType is usually bash or sh...

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data=$(cat) is not bash-specific.

bash can be run in posix mode when either invoking the script either using sh (sh scriptname, sh in shebang) or by using the switch --posix (or using set -o posix in the script itself). Tried both of it, script worked fine. Even though myarray=() is a bashism.

Some Debian systems might symlink /bin/sh to /bin/dash (the Debian Almquist Shell), so we might want to force using bash in this case.

Or, to make it more posix-compliant, give up on arrays:

#!/bin/sh

data=$(cat)
exitcodes=""
hookname=$(basename $0)
GIT_DIR=${GIT_DIR:-$(dirname $0)}

for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do
	test -x "${hook}" || continue
	echo "${data}" | "${hook}"
	exitcodes="${exitcodes} $?"
done

for i in ${exitcodes}; do
	[ $i -eq 0 ] || exit $i
done

(tested with dash)

giteaHookTpls = []string{
fmt.Sprintf("#!/usr/bin/env %s\n\"%s\" hook --config='%s' pre-receive\n", setting.ScriptType, setting.AppPath, setting.CustomConf),
fmt.Sprintf("#!/usr/bin/env %s\n\"%s\" hook --config='%s' update $1 $2 $3\n", setting.ScriptType, setting.AppPath, setting.CustomConf),
Expand All @@ -868,7 +864,7 @@ func createDelegateHooks(repoPath string) (err error) {
}

// WARNING: This will override all old server-side hooks
if err = ioutil.WriteFile(oldHookPath, []byte(hookTpls[i]), 0777); err != nil {
if err = ioutil.WriteFile(oldHookPath, []byte(hookTpl), 0777); err != nil {
return fmt.Errorf("write old hook file '%s': %v", oldHookPath, err)
}

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