(csg) On error only part of help is printed, added info about exit codes

1 files changed, 9 insertions, 2 deletions

diff --git a/csg b/csg
index 1a6082d..fc1119a 100755
--- a/csg
+++ b/csg
@@ -6,8 +6,10 @@
 
 csg_help() {
 	echo 'Usage: csg [-h | -? | --help]
-       csg <source_dir> <destination_dir> <title_format> <base_url> [<scripts_dir>]
+       csg <source_dir> <destination_dir> <title_format> <base_url> [<scripts_dir>]'
+	[ $1 -ne 0 ] && exit $1
 
+	echo '
 Options:
   -h, -?, --help    Print this help message (also available when given no
                     arguments)
@@ -33,10 +35,15 @@ Variables (you can predefine):
 Dependencies (required):
   POSIX shell, realpath, dirname, find, cpio
 
+Exit codes:
+  1    Invalid argument
+  2    No read/write access
+  3    Blank argument
+  4    Dependency not found
 
 csg - complicated (static) site generator
 Created by Syndamia, https://gitlab.com/Syndamia/csg'
-  exit $1
+  exit 0
 }
 
 [ -z "$1" -o "$1" = '-h' -o "$1" = '-?' -o "$1" = '--help' ] && csg_help 0