From 3216d85aaf0d472fc2b951eb02cd865063d0c148 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Tue, 5 Mar 2019 22:29:36 +0100
Subject: [PATCH] Added --version.

---
 compilescript.1.adoc |  9 +++++----
 src/main.cpp         | 14 ++++++++++++--
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/compilescript.1.adoc b/compilescript.1.adoc
index f655ad3..80c405e 100644
--- a/compilescript.1.adoc
+++ b/compilescript.1.adoc
@@ -35,10 +35,11 @@ The compiler invocation looks like this: <configured compiler> <source file>
 
 == OPTIONS
 
-[format="csv",frame="none",grid="none"]
-|======
-*--cleanup*,Delete old cache files (older than +clean_after_hours+).
-|======
+[frame="none",grid="none"]
+|===
+|*--cleanup* | Delete old cache files (older than +clean_after_hours+).
+|*--version* | Print version, copyright and license.
+|===
 
 == EXAMPLES
 
diff --git a/src/main.cpp b/src/main.cpp
index 8694a76..224cfe4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,5 @@
 /*  This file is part of compilescript.
- *  Copyright © 2018 tastytea <tastytea@tastytea.de>
+ *  Copyright © 2018, 2019 tastytea <tastytea@tastytea.de>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -36,6 +36,7 @@
 #else
     namespace fs = std::experimental::filesystem;
 #endif
+using std::cout;
 using std::cerr;
 using std::endl;
 using std::chrono::system_clock;
@@ -134,7 +135,7 @@ int main(int argc, char *argv[])
 
     if (argc <= 1)
     {
-        cerr << "usage: " << argv[0] << " [file|--cleanup] [arguments]\n";
+        cerr << "usage: " << argv[0] << " [file|--cleanup|--version] [arguments]\n";
         return 1;
     }
     if (string(argv[1]) == "--cleanup")
@@ -142,6 +143,15 @@ int main(int argc, char *argv[])
         cleanup();
         return 0;
     }
+    if (string(argv[1]) == "--version")
+    {
+        cout << "compilescript " << global::version << endl <<
+            "Copyright (C) 2018, 2019 tastytea <tastytea@tastytea.de>\n"
+            "License GPLv3: GNU GPL version 3 <https://www.gnu.org/licenses/gpl-3.0.html>.\n"
+            "This is free software: you are free to change and redistribute it.\n"
+            "There is NO WARRANTY, to the extent permitted by law.\n";
+        return 0;
+    }
 
     const fs::path original = fs::canonical(argv[1]);
     const fs::path source = cache_dir / original;