import subprocess as sp

import sys

import os

# Usage: commit_id.py check <root_src_dir> (checks if git is present)

# Usage: commit_id.py gen <root_src_dir> <file_to_write> (generates commit id)

def grab_output(command, cwd):

return sp.Popen(command, stdout=sp.PIPE, shell=True, cwd=cwd).communicate()[0].strip()

operation = sys.argv[1]

cwd = sys.argv[2]

repos = ['content/nw', '.', 'v8', 'third_party/node-nw']

if operation == 'check':

for repo in repos:

index_path = os.path.join(cwd, repo, '.git', 'index')

if not os.path.exists(index_path):

print("0")

sys.exit(0)

print("1")

sys.exit(0)

output_file = sys.argv[3]

commit_id_size = 7

final_hash = ''

for repo in repos:

try:

repo_path = os.path.join(cwd, repo)

final_hash += grab_output('git rev-parse --short=%d HEAD' % commit_id_size, repo_path)

final_hash += '-'

except:

final_hash = 'invalid-hash'

break

final_hash = final_hash.rstrip('-')

hfile = open(output_file, 'w')

hfile.write('#define NW_COMMIT_HASH "%s"\n' % final_hash)

hfile.write('#define NW_COMMIT_HASH_SIZE %d\n' % len(final_hash))

hfile.close()