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qmk_firmware/lib/python/qmk/submodules.py

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Python

"""Functions for working with QMK's submodules.
"""
from milc import cli
def status():
"""Returns a dictionary of submodules.
Each entry is a dict of the form:
{
'name': 'submodule_name',
'status': None/False/True,
'githash': '<sha-1 hash for the submodule>'
'shorthash': '<short hash for the submodule>'
'describe': '<output of `git describe --tags`>'
'last_log_message': 'log message'
'last_log_timestamp': 'timestamp'
}
status is None when the submodule doesn't exist, False when it's out of date, and True when it's current
"""
submodules = {}
git_cmd = cli.run(['git', 'submodule', 'status'], timeout=30)
for line in git_cmd.stdout.split('\n'):
if not line:
continue
status = line[0]
githash, submodule = line[1:].split()[:2]
submodules[submodule] = {'name': submodule, 'githash': githash}
if status == '-':
submodules[submodule]['status'] = None
elif status == '+':
submodules[submodule]['status'] = False
elif status == ' ':
submodules[submodule]['status'] = True
else:
raise ValueError('Unknown `git submodule status` sha-1 prefix character: "%s"' % status)
submodule_logs = cli.run(['git', 'submodule', '-q', 'foreach', 'git --no-pager log --pretty=format:"$sm_path%x01%h%x01%ad%x01%s%x0A" --date=iso -n1'])
for log_line in submodule_logs.stdout.split('\n'):
if not log_line:
continue
r = log_line.split('\x01')
submodule = r[0]
submodules[submodule]['shorthash'] = r[1] if len(r) > 1 else ''
submodules[submodule]['last_log_timestamp'] = r[2] if len(r) > 2 else ''
submodules[submodule]['last_log_message'] = r[3] if len(r) > 3 else ''
submodule_tags = cli.run(['git', 'submodule', '-q', 'foreach', 'echo -n "$sm_path "; git describe --tags'])
for log_line in submodule_tags.stdout.split('\n'):
if not log_line:
continue
r = log_line.split()
submodule = r[0]
submodules[submodule]['describe'] = r[1] if len(r) > 1 else ''
return submodules
def update(submodules=None):
"""Update the submodules.
submodules
A string containing a single submodule or a list of submodules.
"""
git_sync_cmd = ['git', 'submodule', 'sync']
git_update_cmd = ['git', 'submodule', 'update', '--init']
if submodules is None:
# Update everything
git_sync_cmd.append('--recursive')
git_update_cmd.append('--recursive')
cli.run(git_sync_cmd, check=True)
cli.run(git_update_cmd, check=True)
else:
if isinstance(submodules, str):
# Update only a single submodule
git_sync_cmd.append(submodules)
git_update_cmd.append(submodules)
cli.run(git_sync_cmd, check=True)
cli.run(git_update_cmd, check=True)
else:
# Update submodules in a list
for submodule in submodules:
cli.run([*git_sync_cmd, submodule], check=True)
cli.run([*git_update_cmd, submodule], check=True)