4 Generate the contents of the git_sha1.h file.
5 The output of this script goes to stdout.
17 """Try to get the git SHA1 with git rev-parse."""
18 git_dir
= os
.path
.join(os
.path
.dirname(sys
.argv
[0]), '..', '.git')
20 git_sha1
= subprocess
.check_output([
22 '--git-dir=' + git_dir
,
25 ], stderr
=open(os
.devnull
, 'w')).decode("ascii")
27 # don't print anything if it fails
31 parser
= argparse
.ArgumentParser()
32 parser
.add_argument('--output', help='File to write the #define in',
34 args
= parser
.parse_args()
36 git_sha1
= os
.environ
.get('MESA_GIT_SHA1_OVERRIDE', get_git_sha1())[:10]
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
:
46 with
open(args
.output
, 'w') as git_sha1_h
:
47 git_sha1_h
.write(new_sha1
)
49 open(args
.output
, 'w').close()