Gitbackup export facility and minor improvements.

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

@@ -11,6 +11,9 @@
 #
 # Author: Kovács Zoltán <kovacs.zoltan@smartfront.hu>
 # License: GNU/GPL v3+ (https://www.gnu.org/licenses/gpl-3.0.en.html)
+# 2026-04-12 v0.4
+# mod: The PAR_BACKUPDIR environment variable changed to PAR_SOURCEDIR.
+# mod: Introduced the SOURCEPATH environment variable to avoid hardcoding.
 # 2025-05-21 v0.3.1
 # fix: Wrong variable name (BASE_DIR instead of SERVICE_BASE) in a check.
 # 2025-05-20 v0.3
@@ -27,7 +30,7 @@ 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.
 #
@@ -49,6 +52,7 @@ MSG_WRONGGIT="Fatal: unusable backup (git) folder"
 # Other initialisations.
 #
 GITPATH="storage/backups/webcontent"
+SOURCEPATH="storage/volumes/wordpress_html"
 YMLFILE="docker-compose.yml"
 
 # Checks the dependencies.
@@ -105,14 +109,12 @@ 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="$SERVICE_BASE/storage/volumes/wordpress_html"
+[[ -z "$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