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update-maintainer: Find debian/control from inside debian/

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In addition to looking for ./debian in the current directory, scan up
the path in the case of running update-maintain from inside the debian/
directory.  This scans up to a maximum of 6 levels.

The --help text is adjusted to identify the detected path if one was
found, defaulting to './debian' otherwise.

LP: #1885233
Signed-off-by: Bryce Harrington <bryce@bryceharrington.org>
This commit is contained in:
Bryce Harrington 2020-06-25 17:36:25 -07:00
parent f5aa75a3a5
commit 928da0ec02
1 changed files with 14 additions and 1 deletions
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15
update-maintainer
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@ -22,6 +22,18 @@ from ubuntutools.update_maintainer import (update_maintainer,
restore_maintainer,
MaintainerUpdateException)
def find_debian_dir(depth=6):
"""Scans up the directory hierarchy looking for a ./debian dir
:param int depth: Levels to scan up the directory tree.
:rtype: str
:returns: a path to an existing debian/ directory, or None
"""
for path in ['../'*n or './' for n in list(range(0,depth+1))]:
debian_path = '{}debian'.format(path)
if os.path.exists(debian_path):
return debian_path
return None
def main():
script_name = os.path.basename(sys.argv[0])
@ -30,7 +42,8 @@ def main():
parser = optparse.OptionParser(usage=usage, epilog=epilog)
parser.add_option("-d", "--debian-directory", dest="debian_directory",
help="location of the 'debian' directory (default: "
"%default).", metavar="PATH", default="./debian")
"%default).", metavar="PATH",
default=find_debian_dir() or './debian')
parser.add_option("-r", "--restore",
help="Restore the original maintainer",
action='store_true', default=False)