feat: Minor changes

src/boring-backup

@@ -21,10 +21,6 @@ __config=
 __verbose=
 __log_file='./log.txt'
 __pid_file='/tmp/boring-backup.pid'
-__errors_count=0
-__errors_file='/tmp/boring-backup.errors'
-
-echo "$__errors_count" > "$__errors_file"
 
 LIBRARY="${LIBRARY:-./lib}"
 
@@ -34,7 +30,6 @@ if [ -f "$LIBRARY/lib.sh" ]; then
     . "$LIBRARY/lib.sh"
 else
     echo "Error: Cannot source library $LIBRARY/lib.sh: No such file" >&2
-    exit 1
 fi
 
 print_help() {
@@ -120,21 +115,27 @@ while (( "$#" )); do
     esac
 done
 
+# Exit if library is not loaded
+if ! declare -F -- log > /dev/null 2>&1; then
+    exit 1
+fi
+
 # ---------------------------------------------------------- #
 # * Do backups                                               #
 # ---------------------------------------------------------- #
 
-log "Backup STARTED"
+log -V "Backup STARTED"
 
 # Check PID file
 if [ -e "$__pid_file" ]; then
     # shellcheck disable=SC2009
     # shellcheck disable=SC2143
     if [ -z "$(ps ax -o pid | grep "$(cat "$__pid_file")")" ]; then
-        err "Process $(cat "$__pid_file") died."
+        log -p "Process $(cat "$__pid_file") died." >&2
         rm "$__pid_file"
     else
-        err -e "Process $(cat "$__pid_file") still running.";
+        echo "Process $(cat "$__pid_file") still running." >&2
+        exit 1
     fi
 fi
 
@@ -149,29 +150,30 @@ __i=1                   # iterator
 date +'Start: %d %b %Y %T %z'
 log -p "Library path: $LIBRARY"
 log -p "Log file: $__log_file"
-log -p "Configuration file: $(if [ "$__config" ]; then \
-    echo not specified; else echo "$__config"; fi)"
+log -p "Configuration file:" \
+    "$([ "$__config" ] || echo not specified && echo "$__config")"
 log -p "Total scripts: $__count"
 log "Scripts to process (${__count}): ${__args[*]}"
 
 for script in "${__args[@]}"; do
-    # Initialise variables
-    __user_script="$script"
+    echo  # Just print new line
 
+    # Initialise variables
+    # shellcheck disable=SC2034
+    backup_script="$script"
     # shellcheck disable=SC2034
     backups=()  # Array of created backups, contains full pathes
-    # shellcheck disable=SC2034
-    errors=()   # Array of error messages written by err() function
 
-    # Source scripts
+    echo -e "\e[1m--> Script: ${script##*/} [$__i/$__count]\e[0m" | log -p
+
+    # Source script
     source_script "$script"
 
     # Config can ovewrite script functions and variables
     # shellcheck source=/dev/null
     [ -n "$__config" ] && . "$__config"
 
-    echo -e "\n\e[1m--> Script: ${__args[__i-1]##*/} [$__i/$__count]\e[0m" |
-        log -p
+    # --- Run user script -- #
 
     # Run prepare() before all if set
     if is_function_set prepare; then
@@ -204,29 +206,24 @@ for script in "${__args[@]}"; do
     unset on_error
 
     # Unset user defined variables
+    unset backups
     unset compression
-    #unset name_prefix
-    unset name_date_fmt
-    #unset s3_access_key
-    #unset s3_secret_key
-    #unset s3_access_token
-    #unset s3_endpoint
-    #unset s3_region
-    #unset s3cmd_config
+    unset name_prefix
+    unset name_date_format
+    unset s3_access_key
+    unset s3_secret_key
+    unset s3_access_token
+    unset s3_endpoint
+    unset s3_region
+    unset s3cmd_config
     unset tar_options
     unset tar_exclude
+    unset mysqldump_options
+    unset pg_dump_options
 done
 
-if [[ "$(cat $__errors_file)" != '0' ]]; then
-    echo
-    log -p "Backup [Failed]: Process finished with $(cat $__errors_file) " \
-        "errors. See $__log_file for info."
-    rm "$__errors_file"
-else
-    echo -e "\nBackup [Done]"
-fi
-
-log "Backup FINISHED"
+echo -e "\nBackup [Done]"
+log -V "Backup FINISHED"
 
 # Remove PID file
 rm "$__pid_file"