anv: Fix close(fd) before import issue in vkCreateDmaBufImageINTEL
[mesa.git] / bin / git_sha1_gen.py
1 #!/usr/bin/env python
2
3 """
4 Generate the contents of the git_sha1.h file.
5 The output of this script goes to stdout.
6 """
7
8
9 import argparse
10 import os
11 import os.path
12 import subprocess
13 import sys
14
15
16 def get_git_sha1():
17 """Try to get the git SHA1 with git rev-parse."""
18 git_dir = os.path.join(os.path.dirname(sys.argv[0]), '..', '.git')
19 try:
20 git_sha1 = subprocess.check_output([
21 'git',
22 '--git-dir=' + git_dir,
23 'rev-parse',
24 'HEAD',
25 ], stderr=open(os.devnull, 'w')).decode("ascii")
26 except:
27 # don't print anything if it fails
28 git_sha1 = ''
29 return git_sha1
30
31 parser = argparse.ArgumentParser()
32 parser.add_argument('--output', help='File to write the #define in',
33 required=True)
34 args = parser.parse_args()
35
36 git_sha1 = os.environ.get('MESA_GIT_SHA1_OVERRIDE', get_git_sha1())[:10]
37 if git_sha1:
38 git_sha1_h_in_path = os.path.join(os.path.dirname(sys.argv[0]),
39 '..', 'src', 'git_sha1.h.in')
40 with open(git_sha1_h_in_path , 'r') as git_sha1_h_in:
41 new_sha1 = git_sha1_h_in.read().replace('@VCS_TAG@', git_sha1)
42 if os.path.isfile(args.output):
43 with open(args.output, 'r') as git_sha1_h:
44 if git_sha1_h.read() == new_sha1:
45 quit()
46 with open(args.output, 'w') as git_sha1_h:
47 git_sha1_h.write(new_sha1)
48 else:
49 open(args.output, 'w').close()