From 03bd3efaa7072021b702ab3f4ce8abcd1ac47d46 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 19 Jun 2020 10:32:46 +0430
Subject: [PATCH] [meson] Write git revision to .tarball-revision on dist
 tarball

---
 Makefile.am               |  1 +
 meson.build               |  2 ++
 write-tarball-revision.py | 13 +++++++++++++
 3 files changed, 16 insertions(+)
 create mode 100755 write-tarball-revision.py

diff --git a/Makefile.am b/Makefile.am
index 766b2cca4..62ce69026 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -28,6 +28,7 @@ EXTRA_DIST = \
 	subprojects/zlib.wrap \
 	meson-cc-tests/intel-atomic-primitives-test.c \
 	meson-cc-tests/solaris-atomic-operations.c \
+	write-tarball-revision.py \
 	$(NULL)
 
 MAINTAINERCLEANFILES = \
diff --git a/meson.build b/meson.build
index 32758db83..bb8ab681d 100644
--- a/meson.build
+++ b/meson.build
@@ -356,6 +356,8 @@ if not get_option('gtk_doc').disabled()
   subdir('docs')
 endif
 
+meson.add_dist_script('write-tarball-revision.py')
+
 configure_file(output: 'config.h', configuration: conf)
 
 summary({'prefix': get_option('prefix'),
diff --git a/write-tarball-revision.py b/write-tarball-revision.py
new file mode 100755
index 000000000..0b3ffee6d
--- /dev/null
+++ b/write-tarball-revision.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+
+import os, subprocess
+from pathlib import Path
+
+outfile = Path(
+    os.getenv('MESON_DIST_ROOT')
+    or os.getenv('MESON_SOURCE_ROOT')
+    or Path(__file__).parent
+) / '.tarball-revision'
+
+with open(outfile, 'wb') as f:
+	f.write(subprocess.check_output(['git', 'log', '--no-color', '--no-decorate', 'HEAD~..HEAD']))