From 919b714d8f3fc08f9600053abb063c98ae560356 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Thu, 29 Jul 2021 22:03:59 +0200
Subject: remove timer and service, but make scripts suitable for post-receive
 hook in gitolite

---
 Makefile              |  6 ++----
 gitolite-sync.conf.in | 20 ++++---------------
 gitolite-sync.in      | 55 +++++++++++++--------------------------------------
 man.commons.in        |  9 +++++----
 4 files changed, 25 insertions(+), 65 deletions(-)

diff --git a/Makefile b/Makefile
index 77a9447..e0c5dc4 100644
--- a/Makefile
+++ b/Makefile
@@ -27,12 +27,11 @@ GITUSER	 = gitolite
 LIBDIR	 = /usr/lib
 MANDIR	 = /usr/share/man
 
-VERSION  = 0.3.3
+VERSION  = 0.4
 
 all: man.commons \
  gitolite-sync.conf \
- gitolite-sync gitolite-sync.1 \
- gitolite-sync.service gitolite-sync.timer
+ gitolite-sync gitolite-sync.1
 
 %: %.in
 	sed " \
@@ -52,7 +51,6 @@ all: man.commons \
 
 install: all
 	install -D -m0755 -t $(DESTDIR)$(BINDIR) gitolite-sync
-	install -D -m0644 -t $(DESTDIR)$(LIBDIR)/systemd/system gitolite-sync.service gitolite-sync.timer
 	install -D -m0644 -t $(DESTDIR)$(MANDIR)/man1 gitolite-sync.1
 	install -D -m0644 -t $(DESTDIR)$(ETCDIR) gitolite-sync.conf
 
diff --git a/gitolite-sync.conf.in b/gitolite-sync.conf.in
index 3ba06be..0fd7de9 100644
--- a/gitolite-sync.conf.in
+++ b/gitolite-sync.conf.in
@@ -1,19 +1,7 @@
 #!/bin/bash
 
-# this regex must match the to-be-synchronized remotes (or their url)
-remote_regex='[@.]eckner\.net:'
+# these remotes will be synced
+sync_remotes=('ecknernet')
 
-# these directories contain the to-be-synchronized repositories
-repository_dirs=(
-  $(
-    getent passwd #GITUSER# \
-    | cut -d: -f6 \
-    | sed 's,$,/repositories,'
-  )
-)
-
-# name and path of default remote
-default_remote_name='ecknernet'
-default_remote_path_substitution='
-  s#^'"${repository_dirs[0]}"'#gitolite@eckner.net:#
-'
+# these remotes will be created, if they do not yet exist
+default_remotes['ecknernet']='gitolite@git.eckner.net:'
diff --git a/gitolite-sync.in b/gitolite-sync.in
index d22151c..efd85ab 100644
--- a/gitolite-sync.in
+++ b/gitolite-sync.in
@@ -4,7 +4,9 @@ if [ $# -eq 1 ]; then
   if [ "$1" == "--help" ]; then
     >&2 echo \
 'Usage:  gitolite-sync [options]
-Synchronize the configured git repositories.
+Synchronize the git repository $GL_REPO in $GIT_DIR.
+
+This can be used as a post-receive hook in gitolite to sync with other repositories.
 
 Options:
 #HELPTEXT#              #'
@@ -20,49 +22,20 @@ if [ $# -ne 0 ]; then
   exit 1
 fi
 
+declare -A default_remotes
 . "#ETCDIR#/gitolite-sync.conf"
 
-if [ ${#repository_dirs[@]} -eq 0 ]; then
-  >&2 echo 'no repository_dirs defined'
-  exit 1
-fi
-
-for repository_dir in "${repository_dirs[@]}"; do
-  if [ -z "${repository_dir}" ] || [ ! -d "${repository_dir}" ]; then
-    >&2 printf 'cannot find "%s"\n' \
-      "${repository_dir}"
-    exit 1
+for remote in "${!default_remotes[@]}"; do
+  if git -C "${GIT_DIR}" remote \
+    | grep -qxF "${remote}"; then
+    continue
   fi
+  git -C "${GIT_DIR}" remote add "${remote}" "${default_remotes["${remote}"]}${GL_REPO}.git"
 done
 
-for repository_dir in "${repository_dirs[@]}"; do
-  find "${repository_dir}" \
-    -type d \
-    -name '*.git' \
-    -printf '%p\n' \
-    -prune \
-  | while read -r path; do
-    >&2 printf 'synchronizing "%s" ...\n' \
-      "${path}"
-    remotes=$(
-      git -C "${path}" remote -v \
-      | grep "${remote_regex}" \
-      | awk '{print $1}' \
-      | sort -u
-    )
-    if [ -z "${remotes}" ] \
-    && ! git -C "${path}" remote get-url "${default_remote_name}" >/dev/null 2>&1; then
-      >&2 printf 'adding default remote "%s", because no remote was found so far\n' \
-        "${default_remote_name}"
-      git -C "${path}" remote add "${default_remote_name}" "$(
-        printf '%s\n' "${path}" \
-        | sed "${default_remote_path_substitution}"
-      )"
-      remotes="${default_remote_name}"
-    fi
-    for remote in ${remotes}; do
-      git -C "${path}" fetch "${remote}" 'refs/heads/*:refs/heads/*' 'refs/tags/*:refs/tags/*'
-      git -C "${path}" push "${remote}" 'refs/heads/*:refs/heads/*' 'refs/tags/*:refs/tags/*'
-    done
-  done
+for remote in "${sync_remotes[@]}"; do
+  git -C "${GIT_DIR}" remote \
+  | grep -qxF "${remote}" \
+  || continue
+  git -C "${GIT_DIR}" push "${remote}" 'refs/heads/*:refs/heads/*' 'refs/tags/*:refs/tags/*'
 done
diff --git a/man.commons.in b/man.commons.in
index c56a2f8..a0d8efa 100644
--- a/man.commons.in
+++ b/man.commons.in
@@ -7,8 +7,9 @@ gitolite-conf(1)
 [CONFIG]
 The configfile \fB#ETCDIR#/gitolite.conf\fP is a bash script, which defines the following variables:
 .TP
-.B "remote_regex"
-regular expression for remotes that should be synchronized
+.B "sync_remotes"
+list of to-be-synced remotes.
+A non-existing remote will be ignored.
 .TP
-.B "home_dirs"
-array of directories to be synchronized by \fBgitolite-sync\fP
+.B "default_remotes"
+these remotes will be added if they do not exist
-- 
cgit v1.2.3-70-g09d2