pmbootstrap/pmb/chroot/other.py

58 lines
1.8 KiB
Python

"""
Copyright 2017 Oliver Smith
This file is part of pmbootstrap.
pmbootstrap is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
pmbootstrap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with pmbootstrap. If not, see <http://www.gnu.org/licenses/>.
"""
import os
import glob
import pmb.chroot.apk
def kernel_flavors_installed(args, suffix):
prefix = "vmlinuz-"
prefix_len = len(prefix)
pattern = args.work + "/chroot_" + suffix + "/boot/" + prefix + "*"
ret = []
for file in glob.glob(pattern):
flavor = os.path.basename(file)[prefix_len:]
if flavor[-4:] == "-dtb":
flavor = flavor[:-4]
ret.append(flavor)
return list(set(ret))
def kernel_flavor_autodetect(args, suffix):
"""
Make sure, that there is at least one kernel installed, return the first
kernel that can be found.
"""
pmb.chroot.apk.install(args, ["device-" + args.device], suffix)
return kernel_flavors_installed(args, suffix)[0]
def tempfolder(args, path, suffix="native"):
"""
Create a temporary folder inside the chroot, that belongs to "user".
The folder gets deleted, if it already exists.
:param path: of the temporary folder inside the chroot
:returns: the path
"""
if os.path.exists(args.work + "/chroot_" + suffix + path):
pmb.chroot.root(args, ["rm", "-r", path])
pmb.chroot.user(args, ["mkdir", "-p", path])
return path