forked from mirrored-repos/manjaro-tools
65 lines
1.9 KiB
Bash
65 lines
1.9 KiB
Bash
#!/bin/bash
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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track_img() {
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info "mount: [%s]" "$2"
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mount "$@" && IMG_ACTIVE_MOUNTS=("$2" "${IMG_ACTIVE_MOUNTS[@]}")
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}
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mount_img() {
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IMG_ACTIVE_MOUNTS=()
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mkdir -p "$2"
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track_img "$1" "$2"
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}
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umount_img() {
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if [[ -n ${IMG_ACTIVE_MOUNTS[@]} ]];then
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info "umount: [%s]" "${IMG_ACTIVE_MOUNTS[@]}"
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umount "${IMG_ACTIVE_MOUNTS[@]}"
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unset IMG_ACTIVE_MOUNTS
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rm -r "$1"
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fi
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}
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track_fs() {
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info "overlayfs mount: [%s]" "$5"
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mount "$@" && FS_ACTIVE_MOUNTS=("$5" "${FS_ACTIVE_MOUNTS[@]}")
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}
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mount_fs(){
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FS_ACTIVE_MOUNTS=()
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local lower= upper="$1" work="$2" pkglist="$3"
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local fs=${upper##*/}
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local rootfs="$work/rootfs" desktopfs="$work/desktopfs" livefs="$work/livefs"
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mkdir -p "${mnt_dir}/work"
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mkdir -p "$upper"
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case $fs in
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desktopfs) lower="$rootfs" ;;
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livefs|mhwdfs)
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lower="$rootfs"
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[[ -f $pkglist ]] && lower="$desktopfs":"$rootfs"
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;;
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bootfs)
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lower="$livefs":"$rootfs"
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[[ -f $pkglist ]] && lower="$livefs":"$desktopfs":"$rootfs"
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;;
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esac
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track_fs -t overlay overlay -olowerdir="$lower",upperdir="$upper",workdir="${mnt_dir}/work" "$upper"
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}
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umount_fs(){
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if [[ -n ${FS_ACTIVE_MOUNTS[@]} ]];then
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info "overlayfs umount: [%s]" "${FS_ACTIVE_MOUNTS[@]}"
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umount "${FS_ACTIVE_MOUNTS[@]}"
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unset FS_ACTIVE_MOUNTS
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rm -rf "${mnt_dir}/work"
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fi
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}
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