dotfiles/root/usr/local/bin/gentoo-chroot

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2021-05-03 13:31:15 +00:00
#!/bin/sh
# Make sure the partition is mounted according to fstab
mount /mnt/gentoo 2>/dev/null
# Mount necessary directories for chroot to be possible
mount --types proc /proc /mnt/gentoo/proc
mount --rbind /sys /mnt/gentoo/sys
mount --make-rslave /mnt/gentoo/sys
mount --rbind /dev /mnt/gentoo/dev
mount --make-rslave /mnt/gentoo/dev
# Chroot with bash shell
chroot /mnt/gentoo /bin/bash
# Unmount recursively mounted directories
umount -l /mnt/gentoo/dev{/shm,/pts,}
umount -R /mnt/gentoo
# Remount partition accordingly to fstab
# (the above umountings will unmount gentoo completely,
# which means that remounting is necessary)
mount /mnt/gentoo