diff options
Diffstat (limited to 'bin/git_sha1_gen.py')
| -rwxr-xr-x | bin/git_sha1_gen.py | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/bin/git_sha1_gen.py b/bin/git_sha1_gen.py index c75dba101ac..7b9267b59e9 100755 --- a/bin/git_sha1_gen.py +++ b/bin/git_sha1_gen.py @@ -6,6 +6,7 @@ The output of this script goes to stdout. """ +import argparse import os import os.path import subprocess @@ -27,10 +28,20 @@ def get_git_sha1(): git_sha1 = '' return git_sha1 +parser = argparse.ArgumentParser() +parser.add_argument('--output', help='File to write the #define in', + required=True) +args = parser.parse_args() 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)) + new_sha1 = git_sha1_h_in.read().replace('@VCS_TAG@', git_sha1) + if os.path.isfile(args.output): + with open(args.output, 'r') as git_sha1_h: + if git_sha1_h.read() == new_sha1: + quit() + with open(args.output, 'w') as git_sha1_h: + git_sha1_h.write(new_sha1) |