ref: minor changes

src/boring-backup

@@ -33,7 +33,7 @@ if [ -f "$LIBRARY/lib.sh" ]; then
     # shellcheck disable=SC1091
     . "$LIBRARY/lib.sh"
 else
-    echo "Error: Cannot source library from $LIBRARY" >&2
+    echo "Error: Cannot source library $LIBRARY/lib.sh: No such file" >&2
     exit 1
 fi
 
@@ -106,11 +106,14 @@ done
 # Final arguments parser
 while (( "$#" )); do
     case "$1" in
-        -c|--config|--config=*) optval "$1" "$2"; __config="$val"; shift "$sft";;
+        -c|--config|--config=*)
+            optval "$1" "$2"; __config="$val"; shift "$sft";;
         -v|--verbose) __verbose=1; shift;;
-        -l|--log-file|--log-file=*) optval "$1" "$2"; __log_file="$val"; shift "$sft";;
-        -p|--pid-file|--pid-file=*) optval "$1" "$2"; __pid_file="$val"; shift "$sft";;
-        -h|--help) print_help; exit 1;;
+        -l|--log-file|--log-file=*)
+            optval "$1" "$2"; __log_file="$val"; shift "$sft";;
+        -p|--pid-file|--pid-file=*)
+            optval "$1" "$2"; __pid_file="$val"; shift "$sft";;
+        -h|--help) print_help; exit 0;;
         -V|--version) echo "$__version"; exit 0;;
         -*) echo "Error: Unknown option: $1" >&2; exit 1;;
         *)  __args+=("$1"); shift;; # Save positional args
@@ -140,13 +143,15 @@ echo "$$" > "$__pid_file"
 
 # Scripts counter.
 __count="${#__args[@]}" # count
-__iter=1                 # iterator
+__i=1                   # iterator
 
 # Startup log.
 date +'Start: %d %b %Y %T %z'
 log -p "Library path: $LIBRARY"
 log -p "Log file: $__log_file"
-log -p "Configuration file: $([ "$__config" ] || echo not specified && echo "$__config")"
+log -p "Configuration file: $(if [ "$__config" ]; then \
+    echo not specified; else echo "$__config"; fi)"
+log -p "Total scripts: $__count"
 log "Scripts to process (${__count}): ${__args[*]}"
 
 for script in "${__args[@]}"; do
@@ -165,8 +170,8 @@ for script in "${__args[@]}"; do
     # shellcheck source=/dev/null
     [ -n "$__config" ] && . "$__config"
 
-    echo
-    echo -e "\e[1m--> Script: ${__args[__iter-1]##*/} [$__iter/$__count]\e[0m" | log -p
+    echo -e "\n\e[1m--> Script: ${__args[__i-1]##*/} [$__i/$__count]\e[0m" |
+        log -p
 
     # Run prepare() before all if set
     if is_function_set prepare; then
@@ -192,8 +197,8 @@ for script in "${__args[@]}"; do
         unset finalise
     fi
 
-    # Increase counter
-    ((__iter++)) || true
+    # Increase iterator
+    ((__i++)) || true
 
     # Unset on_error function to prevent misuse
     unset on_error
@@ -214,8 +219,8 @@ done
 
 if [[ "$(cat $__errors_file)" != '0' ]]; then
     echo
-    log -p "Backup [Failed]: Process finished with $(cat $__errors_file) errors."\
-        "See $__log_file for info."
+    log -p "Backup [Failed]: Process finished with $(cat $__errors_file) " \
+        "errors. See $__log_file for info."
     rm "$__errors_file"
 else
     echo -e "\nBackup [Done]"