kupferbootstrap/utils.py
InsanePrawn d85c00fa12 Move mounting code to utils.py, move a lot of chroot-logic from packages to chroot.py, cmd_chroot
also moar crossdirect

Signed-off-by: InsanePrawn <insane.prawny@gmail.com>
2021-10-01 18:30:01 +02:00

42 lines
825 B
Python

from shutil import which
import atexit
import subprocess
def programs_available(programs) -> bool:
if type(programs) is str:
programs = [programs]
for program in programs:
if not which(program):
return False
return True
def umount(dest):
return subprocess.run(
[
'umount',
'-lc',
dest,
],
stderr=subprocess.DEVNULL,
)
def mount(src: str, dest: str, options=['bind'], type=None) -> subprocess.CompletedProcess:
opts = []
type = []
for opt in options:
opts += ['-o', opt]
if type:
type = ['-t', type]
result = subprocess.run(['mount'] + type + opts + [
src,
dest,
])
if result.returncode == 0:
atexit.register(umount, dest)
return result