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build-many-glibcs.py: Add --shallow option

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The history is not used by build-many-glibcs.py itself.
--replace-sources deletes an existing source tree before switching
the version.  But some users prefer to have the full history
available, therefore make shallow clones optional with the --shallow
option.
This commit is contained in:
Florian Weimer 2020-02-28 12:32:28 +01:00
parent 542160f0b6
commit c592721a5b
1 changed files with 12 additions and 3 deletions
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15
scripts/build-many-glibcs.py
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@ -80,7 +80,7 @@ class Context(object):
"""The global state associated with builds in a given directory."""
def __init__(self, topdir, parallelism, keep, replace_sources, strip,
full_gcc, action):
full_gcc, action, shallow=False):
"""Initialize the context."""
self.topdir = topdir
self.parallelism = parallelism
@ -88,6 +88,7 @@ class Context(object):
self.replace_sources = replace_sources
self.strip = strip
self.full_gcc = full_gcc
self.shallow = shallow
self.srcdir = os.path.join(topdir, 'src')
self.versions_json = os.path.join(self.srcdir, 'versions.json')
self.build_state_json = os.path.join(topdir, 'build-state.json')
@ -852,7 +853,12 @@ class Context(object):
subprocess.run(['git', 'pull', '-q'],
cwd=self.component_srcdir(component), check=True)
else:
subprocess.run(['git', 'clone', '-q', '-b', git_branch, git_url,
if self.shallow:
depth_arg = ('--depth', '1')
else:
depth_arg = ()
subprocess.run(['git', 'clone', '-q', '-b', git_branch,
*depth_arg, git_url,
self.component_srcdir(component)], check=True)
r = subprocess.run(['git', 'rev-parse', 'HEAD'],
cwd=self.component_srcdir(component),
@ -1771,6 +1777,8 @@ def get_parser():
help='Strip installed glibc libraries')
parser.add_argument('--full-gcc', action='store_true',
help='Build GCC with all languages and libsanitizer')
parser.add_argument('--shallow', action='store_true',
help='Do not download Git history during checkout')
parser.add_argument('topdir',
help='Toplevel working directory')
parser.add_argument('action',
@ -1790,7 +1798,8 @@ def main(argv):
opts = parser.parse_args(argv)
topdir = os.path.abspath(opts.topdir)
ctx = Context(topdir, opts.parallelism, opts.keep, opts.replace_sources,
opts.strip, opts.full_gcc, opts.action)
opts.strip, opts.full_gcc, opts.action,
shallow=opts.shallow)
ctx.run_builds(opts.action, opts.configs)