Import Mesa 17.3.9

1 files changed, 36 insertions, 0 deletions

diff --git a/lib/mesa/bin/git_sha1_gen.py b/lib/mesa/bin/git_sha1_gen.py
new file mode 100755
index 000000000..c75dba101
--- /dev/null
+++ b/lib/mesa/bin/git_sha1_gen.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+
+"""
+Generate the contents of the git_sha1.h file.
+The output of this script goes to stdout.
+"""
+
+
+import os
+import os.path
+import subprocess
+import sys
+
+
+def get_git_sha1():
+    """Try to get the git SHA1 with git rev-parse."""
+    git_dir = os.path.join(os.path.dirname(sys.argv[0]), '..', '.git')
+    try:
+        git_sha1 = subprocess.check_output([
+            'git',
+            '--git-dir=' + git_dir,
+            'rev-parse',
+            'HEAD',
+        ], stderr=open(os.devnull, 'w')).decode("ascii")
+    except:
+        # don't print anything if it fails
+        git_sha1 = ''
+    return git_sha1
+
+
+git_sha1 = os.environ.get('MESA_GIT_SHA1_OVERRIDE', get_git_sha1())[:10]
+if git_sha1:
+    git_sha1_h_in_path = os.path.join(os.path.dirname(sys.argv[0]),
+            '..', 'src', 'git_sha1.h.in')
+    with open(git_sha1_h_in_path , 'r') as git_sha1_h_in:
+        sys.stdout.write(git_sha1_h_in.read().replace('@VCS_TAG@', git_sha1))