Gitbackup export facility and minor improvements.

.recipes/redmine_mariadb/tools/backup.d/storage_gitbackup.sh

@@ -11,6 +11,11 @@
 #
 # Author: Kovács Zoltán <kovacsz@marcusconsulting.hu>
 # License: GNU/GPL v3+ (https://www.gnu.org/licenses/gpl-3.0.en.html)
+# 2026-04-12 v0.5
+# mod: The PAR_BACKUPDIR environment variable changed to PAR_SOURCEDIR.
+# mod: Introduced the SOURCEPATH environment variable to avoid hardcoding.
+# 2025-05-20 v0.4
+# fix: Wrong output redirection order (>/dev/null 2>&1 was reversed).
 # 2025-01-18 v0.3
 # fix: a typo (BASE_DIR instead of SERVICE_BASE).
 # 2024-09-10 v0.2
@@ -24,7 +29,7 @@ BOTEMAIL=${BOTEMAIL:-"backupbot@example.com"}	# Git repo owner's email (fake)
 BOTNAME=${BOTNAME:-"Backup Bot"}		# Git repo owner's name (fake)
 SERVICE_BASE=${PAR_BASEDIR:-""}			# Corresponding service's base
 GITDIR=${PAR_GITDIR:-""}			# Folder containing .git
-SOURCEDIR=${PAR_BACKUPDIR:-""}			# Folder to backup into git
+SOURCEDIR=${PAR_SOURCEDIR:-""}			# Folder to backup into git
 
 # Basic environment settings.
 #
@@ -46,6 +51,7 @@ MSG_WRONGGIT="Fatal: unusable backup (git) folder"
 # Other initialisations.
 #
 GITPATH="storage/backups/attachments"
+SOURCEPATH="storage/volumes/redmine_files"
 YMLFILE="docker-compose.yml"
 
 # Checks the dependencies.
@@ -72,9 +78,9 @@ while [ -h "$SOURCE" ]; do
     # relative to the path where the symlink file was located
     [[ $SOURCE != /* ]] && SOURCE="$SCRPATH/$SOURCE"
 done; SCRPATH="$( cd -P "$("$DIRNAME" "$SOURCE" )" && echo "$PWD" )" #"
- 
+
 # Let's find which version of docker-compose is installed.
-if [ $($DOCKER compose version 2>&1 >/dev/null; echo $?) -eq 0 ]; then
+if [ $($DOCKER compose version >/dev/null 2>&1; echo $?) -eq 0 ]; then
     # We'll use v2 if it is available.
     DOCKER_COMPOSE="$DOCKER"
     commandstring="compose"
@@ -102,14 +108,12 @@ TEST_DIR="$("$DIRNAME" "$TEST_DIR")"
 if [ -z "$SERVICE_BASE" -o ! -r "$SERVICE_BASE/$YMLFILE" ]; then
     echo "$MSG_MISSINGYML" >&2; exit 1
 fi
-# Sets the absolute paths.
-BACKUPDIR="${PAR_BACKUPDIR:-$SERVICE_BASE/$BACKUPDIR}"
 
 # Locates the source folder.
 #
 # Maybe given as a  command line parameter.
 [[ -n "$1" ]] && SOURCEDIR="$1" && shift
-[[ -z "$SOURCEDIR" ]] && SOURCEDIR="$SERVICE_BASE/storage/volumes/redmine_files"
+[[ -z "$SOURCEDIR" ]] && SOURCEDIR="$SERVICE_BASE/$SOURCEPATH"
 # Gives up here if doesn't found.
 if [ -z "$SOURCEDIR" -o ! -d "$("$READLINK" -e "$SOURCEDIR")" ]; then
     echo "$MSG_MISSINGSOURCE $SOURCEDIR"; exit 1
@@ -148,6 +152,7 @@ if [ ! -d "$GITDIR/.git" ]; then
 fi
 # Stages all the files and non-empty folders.
 "$GIT" --git-dir="$GITDIR/.git" --work-tree="$SOURCEDIR" add . >/dev/null
+
 # Stores the file system metadata as well, if the tool has been installed.
 if [ ! -z "$(which metastore)" -a -x "$(which metastore)" ]; then
     # This commamd silently creates the metastore file if it doesnt' exist yet.