feat: Rename Baf to boring-backup

src/boring-backup

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# bafscript -- backup automation micro-framework.
+# boring-backup -- backup automation micro-framework and library.
 # Copyright (c) 2022 ge <https://nixhacks.net/>
 #
 # This program is free software: you can redistribute it and/or modify
@@ -25,8 +25,8 @@ __tar_options='-acf'
 __tar_compression='gzip'
 __name_date_fmt='_%Y%m%d-%H%M'
 
-if [ -n "$BAFLIB" ]; then
-    __library="$BAFLIB"
+if [ -n "$BBLIB" ]; then
+    __library="$BBLIB"
 else
     __library='./lib'
 fi
@@ -40,7 +40,7 @@ print_help() {
     cat <<- EOF
 Backup files and databases.
 
-Usage: $0 [-cvlhV] ARGUMENTS..
+Usage: $0 [-cvlhV] FILES..
 
 Options:
     -c, --config    config file.
@@ -50,7 +50,7 @@ Options:
     -V, --version   print version and exit.
 
 Environment:
-    BAFLIB          path to baf library [current: $__library]
+    BBLIB           path to bb library [current: $__library]
 EOF
 }