commit_id.py

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Author : Jamie Madill
Date : 2014-06-12 13:41:17
Hash : 9c4b24a5
Message : Use commit_id.py on Windows, and handle missing git. This allows us to delete the Windows batch file. Changes the commit_id script to take the working directory so that it can be called from a different working directory than the angle repository is in. Renames the generated commit header to angle_commit.h. This is being written to the shared generated code directory for the entire build, and "commit.h" is insufficiently unique. BUG=angle:669 Change-Id: I35e80411a7e8ba1e02ce3f6a4fc54ed4dbc918f3 Reviewed-on: https://chromium-review.googlesource.com/202048 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>

src/commit_id.py

import subprocess as sp
import sys
import os

# Usage: commit_id.py check <angle_dir> (checks if git is present)
# Usage: commit_id.py gen <angle_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]

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()

kc3-lang/angle/src/commit_id.py

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kc3-lang/angle /src/commit_id.py