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import subprocess as sp
import sys
import os
usage = """\
Usage: commit_id.py check <angle_dir> - check if git is present
commit_id.py gen <angle_dir> <file_to_write> - generate commit.h"""
def grab_output(command, cwd):
return sp.Popen(command, stdout=sp.PIPE, shell=True, cwd=cwd).communicate()[0].strip()
if len(sys.argv) < 3:
sys.exit(usage)
operation = sys.argv[1]
cwd = sys.argv[2]
if operation == 'check':
index_path = os.path.join(cwd, '.git', 'index')
if os.path.exists(index_path):
print("1")
else:
print("0")
sys.exit(0)
output_file = sys.argv[3]
commit_id_size = 12
try:
commit_id = grab_output('git rev-parse --short=%d HEAD' % commit_id_size, cwd)
commit_date = grab_output('git show -s --format=%ci HEAD', cwd)
except:
commit_id = 'invalid-hash'
commit_date = 'invalid-date'
hfile = open(output_file, 'w')
hfile.write('#define ANGLE_COMMIT_HASH "%s"\n' % commit_id)
hfile.write('#define ANGLE_COMMIT_HASH_SIZE %d\n' % commit_id_size)
hfile.write('#define ANGLE_COMMIT_DATE "%s"\n' % commit_date)
hfile.close()
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