mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.3 KiB
50 lines
1.3 KiB
""" |
|
Generate the contents of the git_sha1.h file. |
|
""" |
|
|
|
import argparse |
|
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 Exception: |
|
# don't print anything if it fails |
|
git_sha1 = '' |
|
return git_sha1 |
|
|
|
|
|
def write_if_different(contents): |
|
""" |
|
Avoid touching the output file if it doesn't need modifications |
|
Useful to avoid triggering rebuilds when nothing has changed. |
|
""" |
|
if os.path.isfile(args.output): |
|
with open(args.output, 'r') as file: |
|
if file.read() == contents: |
|
return |
|
with open(args.output, 'w') as file: |
|
file.write(contents) |
|
|
|
|
|
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: |
|
write_if_different('#define MESA_GIT_SHA1 " (git-' + git_sha1 + ')"') |
|
else: |
|
write_if_different('#define MESA_GIT_SHA1 ""')
|
|
|