143 lines
3.0 KiB
Bash
Executable File
143 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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## User options:
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FUSEROOT="$HOME/fuse"
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mount () {
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[ ! -f "$1" ] && return
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DEVICE="$(cdemu status | awk 'NR>2 && $2==0 {print $1; found=1; exit} END {if(! found)print NR-2}')"
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DEV_COUNT="$(cdemu device-mapping | awk 'END {print NR-3}')"
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if cdemu status | grep -q "$1"; then
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echo >&2 "Image alredy mounted"
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return
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fi
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if [ "$DEVICE" -gt "$DEV_COUNT" ]; then
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while [ "$DEVICE" -gt "$DEV_COUNT" ]; do
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if ! cdemu add-device; then
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echo >&2 "Error adding device"
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return
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fi
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DEV_COUNT="$(cdemu device-mapping | awk 'END {print NR-3}')"
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done
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## WARNING: adding a new device takes some time. If we want to avoid errors,
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## we need to sleep until it is ready.
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echo "Waiting until ready..."
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while [ -z "$(cdemu device-mapping | awk -v devnum="$DEV_COUNT" 'NR>2 && $1==devnum {print $2}')" ]; do
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sleep 1
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done
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fi
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cdemu load "$DEVICE" "$1"
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if [ $? -ne 0 ] && command -v fuseiso >/dev/null 2>&1; then
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echo "Falling back to fuseiso."
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# LIST="$(mount | awk -v root="$FUSEROOT" '$1 == "fuseiso" && $3 ~ root {print $3}')"
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LIST=$(mount | awk -v root="$FUSEROOT" '$1 == "fuseiso" && $3 ~ root {sub(/^fuseiso on /,"");sub(/ type fuse.fuseiso [^ ]*$/, ""); print $0}')
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ALREADY="$(lsof -c fuseiso -F n | grep "$1")"
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if [ -n "$ALREADY" ]; then
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echo "Image alredy mounted."
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return
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fi
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COUNT=0
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while echo "$LIST" | grep -q "$FUSEROOT/drive-$COUNT"; do
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COUNT=$((COUNT+1))
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done
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mkdir -p "$FUSEROOT/drive-$COUNT"
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fuseiso -p "$1" "$FUSEROOT/drive-$COUNT"
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else
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NODE="$(cdemu device-mapping | awk -v devnum="$DEVICE" 'NR>2 && $1==devnum {print $2}')"
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## TODO: This is terrible, but checking cdemu status does not work. Maybe
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## a kernel limitation.
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echo "Mounting..."
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sleep 2
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udiskie-mount "$NODE"
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fi
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}
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umount () {
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[ ! -d "$1" ] && return
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NODE="$(df | awk -v mount="$1" '$0 ~ mount {node=$1; gsub(/[^%]+% /, ""); if ($0 ~ mount){print node; exit}}')"
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if [ -n "$NODE" ]; then
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udiskie-umount "$1"
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DEVICE=$(cdemu device-mapping | awk -v node="$NODE" '$2 == node {print $1; exit}')
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cdemu unload "$DEVICE"
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elif command -v fuseiso >/dev/null; then
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fusermount -u "$1"
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rmdir "$1" >/dev/null 2>&1
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fi
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}
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usage () {
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cat <<EOF>&2
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Usage: ${0##*/} FILES
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${0##*/} -u FOLDERS
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Mount image files using CDEmu or fall back to fuseriso if available. It will
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not mount an image if already mounted.
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Options:
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-h: Show this help.
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-u: Unmount folders.
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EOF
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}
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OPT_UNMOUNT=false
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while getopts ":hu" opt; do
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case $opt in
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h)
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usage
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exit 1 ;;
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u)
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OPT_UNMOUNT=true ;;
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\?)
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usage
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exit 1 ;;
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esac
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done
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shift $((OPTIND - 1))
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if [ $# -eq 0 ]; then
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usage
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exit 1
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fi
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## realpath is needed to check if image was already mounted or not.
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for i in udiskie cdemu realpath; do
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if ! command -v $i >/dev/null 2>&1; then
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echo >&2 "'$i' not found"
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exit 1
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fi
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done
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if ! cdemu status >/dev/null 2>&1; then
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echo >&2 "CDemu failed to start"
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return
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fi
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if $OPT_UNMOUNT; then
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for i ; do
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umount "$(realpath "$i")"
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done
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else
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for i ; do
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mount "$(realpath "$i")"
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done
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fi
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