winpty/msys2_subset_files.py
2018-10-14 22:45:48 -07:00

55 lines
1.3 KiB
Python
Executable File

#!/usr/bin/env python3
import re
import subprocess
groups = set()
packages = {
# Explicit packages
'gcc',
'make',
'tar',
'mingw-w64-cross-toolchain',
# Implicit packages
'coreutils',
'findutils', # needed by rebase script
'gzip',
'rebase',
'which',
}
# mingw-w64-cross-toolchain is a "group" rather than a package, so expand
# it to a list of packages.
for line in subprocess.check_output(['pacman', '-Qg']).decode().splitlines():
group, member = line.split()
if group in packages:
groups.add(group)
packages.add(member)
packages -= groups
# Transitive closure of dependencies
for p in sorted(packages):
packages.update(subprocess.check_output(['pactree', '-l', p]).decode().splitlines())
# Get a list of files
paths = set()
for line in subprocess.check_output(['pacman', '-Ql']).decode().splitlines():
package, path = line.split(' ', 1)
if package in packages:
paths.add(path)
# Strip out some unneeded files
unneeded = [
r'.*/$', # strip out directories
r'/opt/armv7-w64-mingw32/',
r'/usr/bin/msys-2\.0\.dbg$',
r'/(usr|opt)/share/(man|info|locale)/',
r'/usr/(share|lib|)/terminfo/',
]
unneeded_re = re.compile('(' + '|'.join(unneeded) + ')')
paths = {p for p in paths if not unneeded_re.match(p)}
for x in sorted(paths):
assert x[0] == '/'
print(x[1:])