mirror of
https://github.com/Llewellynvdm/Tomb.git
synced 2024-11-10 23:20:57 +00:00
improve readability of code in some complex branching points
avoid usage of if...elif...elif...else in some points, substituted with while true; do ... done loops and break statements on success.
This commit is contained in:
Jaromil
parent
c1b5e1b310
commit
117bd9bd6e
176
tomb
176
tomb
@ -500,56 +500,54 @@ ask_password() {
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pass_asked=0
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if [[ ! -z $WAYLAND_DISPLAY ]]; then
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_verbose "wayland display detected"
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_is_found "pinentry-gnome3" && {
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_verbose "using pinentry-gnome3 on wayland"
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output=$(pinentry_assuan_getpass | pinentry-gnome3)
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pass_asked=1
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while true; do
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[[ ! -z $WAYLAND_DISPLAY ]] && {
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_verbose "wayland display detected"
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_is_found "pinentry-gnome3" && {
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_verbose "using pinentry-gnome3 on wayland"
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output=$(pinentry_assuan_getpass | pinentry-gnome3)
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break; }
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# TODO: pinentry on KDE running in wayland?
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}
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[[ ! -z $DISPLAY ]] && [[ $pass_asked == 0 ]] && {
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_verbose "X11 display detected"
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_is_found "pinentry-gtk-2" && {
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_verbose "using pinentry-gtk2"
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output=$(pinentry_assuan_getpass | pinentry-gtk-2)
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break; }
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_is_found "pinentry-x11" && {
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_verbose "using pinentry-x11"
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output=$(pinentry_assuan_getpass | pinentry-x11)
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break; }
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_is_found "pinentry-gnome3" && {
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_verbose "using pinentry-gnome3 on X11"
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output=$(pinentry_assuan_getpass | pinentry-gnome3)
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break; }
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_is_found "pinentry-qt5" && {
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_verbose "using pinentry-qt5"
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output=$(pinentry_assuan_getpass | pinentry-qt5)
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break; }
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_is_found "pinentry-qt4" && {
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_verbose "using pinentry-qt4"
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output=$(pinentry_assuan_getpass | pinentry-qt4)
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break; }
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}
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fi
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if [[ ! -z $DISPLAY ]] && [[ $pass_asked == 0 ]]; then
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_verbose "X11 display detected"
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if _is_found "pinentry-gtk-2"; then
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_verbose "using pinentry-gtk2"
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output=$(pinentry_assuan_getpass | pinentry-gtk-2)
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pass_asked=1
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elif _is_found "pinentry-x11"; then
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_verbose "using pinentry-x11"
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output=$(pinentry_assuan_getpass | pinentry-x11)
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pass_asked=1
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elif _is_found "pinentry-gnome3"; then
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_verbose "using pinentry-gnome3 on X11"
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output=$(pinentry_assuan_getpass | pinentry-gnome3)
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pass_asked=1
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elif _is_found "pinentry-qt5"; then
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_verbose "using pinentry-qt5"
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output=$(pinentry_assuan_getpass | pinentry-qt5)
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pass_asked=1
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elif _is_found "pinentry-qt4"; then
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_verbose "using pinentry-qt4"
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output=$(pinentry_assuan_getpass | pinentry-qt4)
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pass_asked=1
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fi
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fi
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if [[ $pass_asked == 0 ]]; then
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_verbose "no display detected"
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if _is_found "pinentry-curses"; then
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_is_found "pinentry-curses" && {
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_verbose "using pinentry-curses with no display"
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output=$(pinentry_assuan_getpass | pinentry-curses)
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pass_asked=1
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elif _is_found "pinentry-tty"; then
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break; }
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_is_found "pinentry-tty" && {
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_verbose "using pinentry-tty with no display"
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output=$(pinentry_assuan_getpass | pinentry-tty)
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pass_asked=1
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else
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# TODO: fallback to asking password using read
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_failure "Cannot find any pinentry and no DISPLAY detected."
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fi
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fi
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[[ $pass_asked == 0 ]] &&
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break; }
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# TODO: fallback using read -s - and beware
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# using read with or without -r may break
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# passwords, so this must be covered by a test
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# for compatibility
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_failure "Cannot find any pinentry and no DISPLAY detected."
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exit 1
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done
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# parse the pinentry output
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local pinentry_error
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@ -589,26 +587,23 @@ is_valid_tomb() {
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local _fail=0
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# Tomb file must be a readable, writable, non-empty regular file.
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# If passed the "ro" mount option, the writable check is skipped.
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option_value_contains -o ro || {
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[[ ! -w "$1" ]] && {
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_warning "Tomb file is not writable: ::1 tomb file::" $1
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_fail=1
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while true; do
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option_value_contains -o ro || {
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[[ ! -w "$1" ]] && {
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_warning "Tomb file is not writable: ::1 tomb file::" $1
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_fail=1; break; }
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}
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}
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_verbose "tomb file is readable"
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[[ ! -f "$1" ]] && {
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_warning "Tomb file is not a regular file: ::1 tomb file::" $1
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_fail=1
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}
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_verbose "tomb file is a regular file"
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[[ ! -s "$1" ]] && {
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_warning "Tomb file is empty (zero length): ::1 tomb file::" $1
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_fail=1
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}
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_verbose "tomb file is not empty"
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_verbose "tomb file is readable"
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[[ ! -f "$1" ]] && {
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_warning "Tomb file is not a regular file: ::1 tomb file::" $1
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_fail=1; break; }
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_verbose "tomb file is a regular file"
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[[ ! -s "$1" ]] && {
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_warning "Tomb file is empty (zero length): ::1 tomb file::" $1
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_fail=1; break; }
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_verbose "tomb file is not empty"
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break;
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done
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[[ $_fail == 1 ]] && {
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_failure "Tomb command failed: ::1 command name::" $subcommand
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}
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@ -922,12 +917,12 @@ _ensure_dependencies() {
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command -v $req 1>/dev/null 2>/dev/null || {
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_failure "Missing required dependency ::1 command::. Please install it." $req; }
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done
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# Check for pinentry or at least pinentry-tty (which has no alias)
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if ! command -v pinentry 1>/dev/null 2>/dev/null; then
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if ! command -v pinentry-tty 1>/dev/null 2>/dev/null; then
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# Check for pinentry or at least pinentry-tty (which has no alias)
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if ! command -v pinentry 1>/dev/null 2>/dev/null; then
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if ! command -v pinentry-tty 1>/dev/null 2>/dev/null; then
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_failure "Missing required dependency ::1 command::. Please install it." pinentry
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fi
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fi
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fi
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fi
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# Ensure system binaries are available in the PATH
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path+=(/sbin /usr/sbin) # zsh magic
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@ -1101,24 +1096,27 @@ _load_key() {
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[[ -z $keyfile ]] && {
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_failure "This operation requires a key file to be specified using the -k option." }
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if [[ $keyfile == "-" ]]; then
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_verbose "load_key reading from stdin."
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_message "Waiting for the key to be piped from stdin... "
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TOMBKEYFILE=stdin
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TOMBKEY=$(cat)
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elif [[ $keyfile == "cleartext" ]]; then
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_verbose "load_key reading SECRET from stdin"
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_message "Waiting for the key to be piped from stdin... "
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TOMBKEYFILE=cleartext
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TOMBKEY=cleartext
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TOMBSECRET=$(cat)
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else
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while true; do
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[[ $keyfile == "-" ]] && {
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_verbose "load_key reading from stdin."
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_message "Waiting for the key to be piped from stdin... "
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TOMBKEYFILE=stdin
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TOMBKEY=$(cat)
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break; }
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[[ $keyfile == "cleartext" ]] && {
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_verbose "load_key reading SECRET from stdin"
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_message "Waiting for the key to be piped from stdin... "
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TOMBKEYFILE=cleartext
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TOMBKEY=cleartext
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TOMBSECRET=$(cat)
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break; }
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_verbose "load_key argument: ::1 key file::" $keyfile
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[[ -r $keyfile ]] || _failure "Key not found, specify one using -k."
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_track_stat "$keyfile"
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TOMBKEYFILE=$keyfile
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TOMBKEY="${mapfile[$TOMBKEYFILE]}"
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fi
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break
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done
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_verbose "load_key: ::1 key::" $TOMBKEYFILE
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@ -2520,14 +2518,18 @@ exec_safe_bind_hooks() {
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for dir in ${mounted}; do _sudo umount $dir; done
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return 0 }
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if [[ ! -r "$HOME/${maps[$dir]}" ]]; then
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_warning "bind-hook target not existent, skipping ::1 home::/::2 subdir::" $HOME ${maps[$dir]}
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elif [[ ! -r "$mnt/$dir" ]]; then
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_warning "bind-hook source not found in tomb, skipping ::1 mount point::/::2 subdir::" $mnt $dir
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else
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_sudo mount -o bind,$MOUNTOPTS $mnt/$dir $HOME/${maps[$dir]} \
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while true; do
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[[ ! -r "$mnt/$dir" ]] && {
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_warning "bind-hook source not found in tomb, skipping ::1 mount point::/::2 subdir::" $mnt $dir
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break; }
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[[ ! -r "$HOME/${maps[$dir]}" ]] && {
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_warning "bind-hook target not existent, skipping ::1 home::/::2 subdir::" $HOME ${maps[$dir]}
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break; }
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_sudo mount -o bind,$MOUNTOPTS \
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$mnt/$dir $HOME/${maps[$dir]} \
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&& mounted+=("$HOME/${maps[$dir]}")
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fi
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break
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done
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done
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}
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