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Refactoring

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This commit is contained in:
Kevin Veen-Birkenbach
2020-05-15 12:00:03 +02:00
parent cb427d1e00
commit df1fcfff63
5 changed files with 41 additions and 23 deletions
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29
scripts/image/chroot.sh
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@@ -1,44 +1,49 @@
#!/bin/bash
# shellcheck source=/dev/null # Deactivate SC1090
# shellcheck disable=SC2015 # Deactivating bool hint
source "$(dirname "$(readlink -f "${0}")")/../base.sh" || (echo "Loading base.sh failed." && exit 1)
source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
info "Making mount dir..." &&
mkdir -p /mnt/raspbian ||
error
root_mount_path="/mnt/raspbian"
boot_mount_path="/mnt/raspbian/boot"
root_partition_path=$(echo_partition_name $1 "2")
boot_partition_path=$(echo_partition_name $1 "1")
info "Mount partitions..."
mount -o rw "$1""2" /mnt/raspbian &&
mount -o rw "$1""1" /mnt/raspbian/boot ||
mount -o rw "$boot_partition_path" "$boot_mount_path" ||
mount -o rw "$root_partition_path" "$root_mount_path" &&
error
info "Mount binds..." &&
mount --bind /dev /mnt/raspbian/dev/ &&
mount --bind /sys /mnt/raspbian/sys/ &&
mount --bind /proc /mnt/raspbian/proc/ &&
mount --bind /dev/pts /mnt/raspbian/dev/pts ||
mount --bind /dev "$root_mount_path/dev/" &&
mount --bind /sys "$root_mount_path/sys/" &&
mount --bind /proc "$root_mount_path/proc/" &&
mount --bind /dev/pts "$root_mount_path/dev/pts" ||
error
info "ld.so.preload fix" &&
sed -i 's/^/#CHROOT /g' /mnt/raspbian/etc/ld.so.preload ||
sed -i 's/^/#CHROOT /g' "$root_mount_path/etc/ld.so.preload" ||
error
info "copy qemu binary" &&
cp -v /usr/bin/qemu-arm-static /mnt/raspbian/usr/bin/ ||
cp -v /usr/bin/qemu-arm-static "$root_mount_path/usr/bin/" ||
error
info "You will be transferred to the bash shell now." &&
info "Issue 'exit' when you are done." &&
info "Issue 'su pi' if you need to work as the user pi." &&
info "chroot to raspbian" &&
chroot /mnt/raspbian /bin/bash ||
chroot "$root_mount_path" /bin/bash ||
error
info "Clean up" &&
info "revert ld.so.preload fix" &&
sed -i 's/^#CHROOT //g' /mnt/raspbian/etc/ld.so.preload ||
sed -i 's/^#CHROOT //g' "$root_mount_path/etc/ld.so.preload" ||
error
info "unmount everything" &&
umount /mnt/raspbian/{dev/pts,dev,sys,proc,boot,} ||
umount "$root_mount_path"/{dev/pts,dev,sys,proc,boot,} ||
error