From 29a13e28cdecb7c5175bb97d78374e5df2608e24 Mon Sep 17 00:00:00 2001
From: Glenn <glenux@glenux.net>
Date: Wed, 3 Jan 2024 18:14:03 +0100
Subject: [PATCH] doc: improve usage output

---
 README.md     | 21 ++++++++++-----------
 src/config.cr | 34 +++++++++++++++++++---------------
 2 files changed, 29 insertions(+), 26 deletions(-)

diff --git a/README.md b/README.md
index 8e9e4bd..39ed8a7 100644
--- a/README.md
+++ b/README.md
@@ -74,17 +74,16 @@ make install
 Run Code-Preloader with the following command-line options:
 
 ```
-Usage: code-preloader [options] ROOT_DIR
-    -c CONFIG_FILE, --config=CONFIG_FILE
-                                     Load parameters from CONFIG_FILE
-    -i REGEX, --ignore=REGEX
-                                     Ignore file or directory matching REGEX
-    -o OUTPUT_FILE, --output=OUTPUT_FILE
-                                     Write output to OUTPUT_FILE
-    -H HEADER_PROMPT_FILE, --header-prompt=HEADER_PROMPT_FILE
-                                     Load header prompt from HEADER_PROMPT_FILE
-    -F FOOTER_PROMPT_FILE, --footer-prompt=FOOTER_PROMPT_FILE
-                                     Load footer prompt from FOOTER_PROMPT_FILE
+CodePreloader v0.1.0
+Usage: code-preloader [options] DIR ...
+
+Options:
+    -c FILE, --config=FILE           Load parameters from FILE
+    -i REGEXP, --ignore=REGEXP       Ignore file or directory
+    -o FILE, --output=FILE           Write output to FILE
+    -H FILE, --header-prompt=FILE    Load header prompt from FILE
+    -F FILE, --footer-prompt=FILE    Load footer prompt from FILE
+    --version                        Show version
     -h, --help                       Show this help
 ```
 
diff --git a/src/config.cr b/src/config.cr
index d0c29c4..9a866f5 100644
--- a/src/config.cr
+++ b/src/config.cr
@@ -17,44 +17,48 @@ module CodePreloader
 
     def parse_arguments(args : Array(String))
       OptionParser.parse(args) do |parser|
-        parser.banner = "Usage: code-preloader [options] DIR1 ..."
+        parser.banner = [
+          "#{PROGRAM_NAME} v#{VERSION}",
+          "Usage: code-preloader [options] DIR ...\n",
+          "Options:"
+        ].join("\n")
 
         parser.on(
-          "-c CONFIG_FILE", 
-          "--config=CONFIG_FILE", 
-          "Load parameters from CONFIG_FILE"
+          "-c FILE", 
+          "--config=FILE", 
+          "Load parameters from FILE"
         ) do |config_file|
           load_config(config_file)
         end
 
         parser.on(
-          "-i IGNORE_PATH", 
-          "--ignore=IGNORE_PATH", 
+          "-i REGEXP", 
+          "--ignore=REGEXP", 
           "Ignore file or directory"
         ) do |ignore_file|
           @ignore_list << ignore_file
         end
 
         parser.on(
-          "-o OUTPUT_FILE", 
-          "--output=OUTPUT_FILE", 
-          "Write output to OUTPUT_FILE"
+          "-o FILE", 
+          "--output=FILE", 
+          "Write output to FILE"
         ) do |output_file|
           @output_file_path = output_file
         end
 
         parser.on(
-          "-H HEADER_PROMPT_FILE", 
-          "--header-prompt=HEADER_PROMPT_FILE", 
-          "Load header prompt from HEADER_PROMPT_FILE"
+          "-H FILE", 
+          "--header-prompt=FILE", 
+          "Load header prompt from FILE"
         ) do |header_prompt_file|
           @header_prompt_file_path = header_prompt_file
         end
 
         parser.on(
-          "-F FOOTER_PROMPT_FILE", 
-          "--footer-prompt=FOOTER_PROMPT_FILE", 
-          "Load footer prompt from FOOTER_PROMPT_FILE"
+          "-F FILE", 
+          "--footer-prompt=FILE", 
+          "Load footer prompt from FILE"
         ) do |footer_prompt_file|
           @footer_prompt_file_path = footer_prompt_file
         end