diff -r 44a8a36ca380 -r fb9b67ba1dae vcs-backup.sh
--- a/vcs-backup.sh	Mon Apr 22 12:00:35 2019 +0200
+++ b/vcs-backup.sh	Tue Apr 23 17:06:58 2019 +0200
@@ -86,6 +86,10 @@
 	echo "$1" | sed -E 's@^[^:]+://@@g';
 }
 
+# Environment: server
+# Lists relative paths (starting wiht hg or git) of all configured repositories
+allRepositories() { find "$VCS_BACKUP_CONFIG_DIR" -name url.txt -printf '%P\n' | sort | xargs --no-run-if-empty dirname; }
+
 # Environment: all
 # $1 = optional value (if missing, reads STDIN)
 escapeRecfileValue() { if [[ $# = 0 ]]; then awk '{ if (NR > 1) { printf "+ " } print $_ }'; else echo "${@}" | ${FUNCNAME[0]}; fi }
@@ -215,7 +219,7 @@
 	printRecfileKeyValue "%type" "public bool";
 	echo;
 
-	find "$VCS_BACKUP_CONFIG_DIR" -name url.txt -printf '%P\n' | sort | xargs dirname | while read d; do
+	allRepositories | while read d; do
 		url=$(cat "$VCS_BACKUP_CONFIG_DIR/$d/url.txt");
 		state=$(cat "$VCS_BACKUP_CONFIG_DIR/$d/state.txt");
 		vcsType=$(echo "$d" | sed 's@/.*@@g');
@@ -247,7 +251,7 @@
 	printRecfileKeyValue "%type" "duration int";
 	printRecfileKeyValue "%type" "resultCode int";
 
-	find "$VCS_BACKUP_CONFIG_DIR" -name url.txt -printf '%P\n' | sort | xargs dirname | while read d; do
+	allRepositories | while read d; do
 		state=$(cat "$VCS_BACKUP_CONFIG_DIR/$d/state.txt");
 		vcsType=$(echo "$d" | sed 's@/.*@@g');
 		absolutePath="$VCS_BACKUP_CURRENT_DIR/$d";
@@ -289,7 +293,7 @@
 	printRecfileKeyValue "%type" "duration int";
 	printRecfileKeyValue "%type" "resultCode int";
 	
-	find "$VCS_BACKUP_CONFIG_DIR" -name url.txt -printf '%P\n' | sort | xargs dirname | while read d; do
+	allRepositories | while read d; do
 		state=$(cat "$VCS_BACKUP_CONFIG_DIR/$d/state.txt");
 		vcsType=$(echo "$d" | sed 's@/.*@@g');
 		absolutePath="$VCS_BACKUP_CURRENT_DIR/$d";