138 lines
2.9 KiB
Bash
Executable File
138 lines
2.9 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 -c "$1") -gt 0 ]; then
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echo "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 $DEV_COUNT ]; do
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cdemu add-device
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DEV_COUNT="$(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 [ -n "$(echo "$LIST" | grep "$FUSEROOT/drive-$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
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Usage: ${1##*/} FILES
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${1##*/} -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 "$0"
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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 "$0"
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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 "$0"
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exit 1
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fi
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check () {
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for i ; do
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if ! command -v $i >/dev/null 2>&1; then
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echo >&2 "'$i' not found in PATH. Exiting."
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exit 1
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fi
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done
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}
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## realpath is needed to check if image was already mounted or not.
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check udiskie cdemu realpath
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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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