From 98174b6cf22463d17f77d9d3dcd2059217efdb63 Mon Sep 17 00:00:00 2001
From: Thibault Saunier <tsaunier@igalia.com>
Date: Wed, 13 Apr 2022 16:37:27 -0400
Subject: [PATCH] meson: Fix building when git isn't available

Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/178
---
 meson.build | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/meson.build b/meson.build
index 75b8a6ec..dbe3bad8 100644
--- a/meson.build
+++ b/meson.build
@@ -177,9 +177,16 @@ plugins_install_dir = get_option('libdir') / 'gstreamer-1.0'
 pkgconfig_install_dir = get_option('libdir') / 'pkgconfig'
 
 # Use all files checked in git to  figure out when to rebuild
-tmp = run_command(['git', 'ls-files', '.'])
-files = tmp.stdout().split()
-if tmp.returncode() == 0 and files.length() > 0
+git = find_program('git', required: false)
+files = []
+if git.found()
+  tmp = run_command([git, 'ls-files', '.'])
+  if tmp.returncode() == 0
+    files = tmp.stdout().split()
+  endif
+endif
+
+if files.length() > 0
   build_always_stale = false
 else
   warning('Could not retrieve list of files, always building the target')