From fa064bf9cf2fe6e53baa7782b6eaa56ca921b340 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 1 Apr 2018 20:27:31 +0530
Subject: [PATCH] When kitty is built from a git checkout show the current
 revision in --debug-config

---
 kitty/cli.py       | 10 +++++++---
 kitty/data-types.c |  3 +++
 setup.py           |  4 ++++
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/kitty/cli.py b/kitty/cli.py
index b5857562b..9ac725a43 100644
--- a/kitty/cli.py
+++ b/kitty/cli.py
@@ -245,8 +245,12 @@ def prettify(text):
     return text
 
 
-def version():
-    return '{} {} created by {}'.format(italic(appname), green(str_version), title('Kovid Goyal'))
+def version(add_rev=False):
+    rev = ''
+    from . import fast_data_types
+    if add_rev and hasattr(fast_data_types, 'KITTY_VCS_REV'):
+        rev = ' ({})'.format(fast_data_types.KITTY_VCS_REV[:10])
+    return '{} {}{} created by {}'.format(italic(appname), green(str_version), rev, title('Kovid Goyal'))
 
 
 def wrap(text, limit=80):
@@ -547,7 +551,7 @@ def compare_opts(opts):
 def create_opts(args, debug_config=False):
     config = tuple(resolve_config(args.config))
     if debug_config:
-        print(version())
+        print(version(add_rev=True))
         print(' '.join(os.uname()))
         if is_macos:
             print(' '.join(subprocess.check_output(['sw_vers']).decode('utf-8').splitlines()).strip())
diff --git a/kitty/data-types.c b/kitty/data-types.c
index 5609fe074..a003d51a5 100644
--- a/kitty/data-types.c
+++ b/kitty/data-types.c
@@ -203,6 +203,9 @@ PyInit_fast_data_types(void) {
         PyModule_AddIntConstant(m, "STRIKETHROUGH", STRIKE_SHIFT);
         PyModule_AddIntConstant(m, "DECORATION", DECORATION_SHIFT);
         PyModule_AddStringMacro(m, ERROR_PREFIX);
+#ifdef KITTY_VCS_REV
+        PyModule_AddStringMacro(m, KITTY_VCS_REV);
+#endif
         PyModule_AddIntMacro(m, CURSOR_BLOCK);
         PyModule_AddIntMacro(m, CURSOR_BEAM);
         PyModule_AddIntMacro(m, CURSOR_UNDERLINE);
diff --git a/setup.py b/setup.py
index 12f2fdc94..7d547b63d 100755
--- a/setup.py
+++ b/setup.py
@@ -182,6 +182,10 @@ def init_env(
     cflags = shlex.split(cflags) + shlex.split(
         sysconfig.get_config_var('CCSHARED')
     )
+    if os.path.exists('.git'):
+        head = open('.git/HEAD', 'r').read().split(':', 1)[-1].strip()
+        rev = open('.git/' + head).read().split(':', 1)[-1].strip()
+        cflags.append('-DKITTY_VCS_REV="{}"'.format(rev))
     ldflags = os.environ.get(
         'OVERRIDE_LDFLAGS',
         '-Wall ' + ' '.join(sanitize_args) + ('' if debug else ' -O3')