110 lines
2.7 KiB
Bash
110 lines
2.7 KiB
Bash
#!/bin/bash
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if ! which fusermount &> /dev/null; then
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echo unabled to load bindfs module because bindfs is not installed
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exit 1
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fi
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# echo loading bindfs
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export BFS_MOUNT_DIR=${BFS_MOUNT_DIR:-/mnt/bfs}
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if [ -v PS1 ]; then
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alias rbfsu="dir_rebind_user"
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alias rbfs="dir_rebind"
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alias bfsu="dir_bind_user"
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alias bfs="dir_bind"
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alias bfsum="dir_bind_unmount"
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alias bfse="bfs_vscode"
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sudo mkdir $BFS_MOUNT_DIR 2> /dev/null
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sudo chown $USER:$USER $BFS_MOUNT_DIR
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fi
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mounted () {
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mountpoint "$1" &> /dev/null && echo yes || return 1
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}
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dir_bind_unmount () {
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local usesudo
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local mp=$1
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[[ ! $(mounted $mp) ]] && echo no mountpoint at $mp && mp=$BFS_MOUNT_DIR/$(basename $mp)
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[[ ! $(mounted $mp) ]] && echo no mountpoint at $mp either, aborting && return 1
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[[ $EUID -ne 0 ]] && usesudo=sudo
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if $usesudo fusermount -u $mp; then
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echo unmounted $mp, removing empty mountpoint directory
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rm -rf $mp
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else
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echo error, unable to unmount $mp
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fi
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}
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dir_bind_user () {
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local usesudo; local dir;local user;local group;local mp
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if [ $# -lt 3 ]; then
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echo "minimum 3 args needed to rebind <user? <source dir> <mountpoint>"
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echo passed were $@
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return 1
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fi
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[[ $EUID -ne 0 ]] && usesudo=sudo
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[[ $(id -u $1 2> /dev/null) ]] || { echo user $1 does not exist can not continue; return 2; }
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dir=$(realpath $2)
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mp=$3
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[[ $(mounted $mp) ]] && echo something already mounted at $mp, aborting && return 1
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if ! $usesudo mkdir -p $mp; then echo unable to make mountpoint aborting; return 2; fi
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$usesudo chown $1:$1 $mp
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user=$(stat -c '%u' $dir)
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group=$(stat -c '%g' $dir)
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$usesudo bindfs --force-user=$1 --force-group=$1 --create-for-user=$user --create-for-group=$group --chown-ignore --chgrp-ignore $dir $mp
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[[ $? -gt 0 ]] && echo error in call to bindfs
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if [[ $(mounted $mp) ]]; then
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echo $dir has been mounted at $mp for user $1
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echo "to unmount use: dir_bind_unmount $mp or bfsum $mp"
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else
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echo unable to mount $dir at $mp as user $user
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fi
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}
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dir_bind () {
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mp=${2:-$BFS_MOUNT_DIR/$(basename $1)}
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dir_bind_user $USER $1 $mp
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if [ -v PS1 ]; then
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echo enter \"u\" when you ready to unmount, otherwise any other key will leave mounted
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read -n1 ans
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echo -e "\n"
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[[ $ans == "u" ]] && dir_bind_unmount $mp
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fi
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}
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dir_rebind () {
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dir_bind_user $USER $1 $1
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}
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dir_rebind_user () {
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dir_bind_user $1 $2 $2
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}
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bfs_vscode () {
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mp=${2:-$BFS_MOUNT_DIR/$(basename $1)}
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dir_bind_user $USER $1 $mp
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/opt/bin/vscode $mp
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if [ -v PS1 ]; then
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echo when you ready to unmount FIRST close your vscode window then enter \"u\"
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echo otherwise any other key will leave mounted
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read -n1 ans
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echo -e "\n"
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[[ $ans == "u" ]] && dir_bind_unmount $mp
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fi
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}
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(return 0 2>/dev/null) || dir_bind_user $@
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