postmarketOS / pmbootstrap / 4839

79%

Pull #1447

travis-ci

Recreate device nodes in chroot after shutdown

Device nodes in the chroots get created in a tmpfs, so they can be
created even if the filesystem where the chroot resides does not
support device nodes (#1317). In "pmbootstrap shutdown" we umount the
`dev` folder, which means all device nodes that were created inside
this folder are gone. This commit changes the code to actually recreate
the device nodes when using the chroot again.

Details:
* move `pmb.chroot.init.create_device_nodes` to
  `pmb.chroot.mount.crete_device_nodes`
* don't call it in `pmb.chroot.init()` anymore, but in
  `pmb.chroot.mount_dev_tmpfs()`
* Create the `null` device as well (`apk --initdb` also creates it on
  `init`, but we don't call it after `shutdown`)

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