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add --readonly option to mountall

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This commit is contained in:
Gerd v. Egidy 2022-08-01 22:40:48 +02:00
parent e3b7b2079e
commit c0cddfc630
1 changed files with 17 additions and 5 deletions
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22
airootfs/usr/share/sysrescue/bin/mountall
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@ -15,10 +15,11 @@ print_help()
echo "mountall - mount all suitable block devices"
echo ""
echo "Usage:"
echo "mountall [-n|--no-bind] [-v|--verbose]"
echo "mountall [-n|--no-bind] [-o|--ro|--readonly] [-v|--verbose]"
echo ""
echo "--no-bind Don't try to bind-mount /dev /proc and /sys when"
echo " the partition has these dirs"
echo "--readonly Mount read-only"
echo "--verbose Verbose output."
echo ""
echo "See https://www.system-rescue.org/scripts/mountall/ for details."
@ -51,11 +52,12 @@ parse_args()
exit 1
fi
local OPTIONS="nvh"
local LONGOPTS="no-bind,verbose,help"
local OPTIONS="novh"
local LONGOPTS="no-bind,readonly,ro,verbose,help"
# option variables as globals, set to default values
declare -g BIND=1
declare -g READONLY=0
declare -g VERBOSE=0
# -regarding ! and PIPESTATUS see above
@ -79,6 +81,10 @@ parse_args()
BIND=0
shift
;;
-o|--readonly|--ro)
READONLY=1
shift
;;
-v|--verbose)
VERBOSE=1
shift
@ -263,8 +269,14 @@ try_mount()
create_mountpoint "$DEV" || return
if ! mount "$DEV" "$MOUNTPOINT"; then
echo "error mounting $DEV"
local OPTIONS=""
if [[ $READONLY -eq 1 ]]; then
[[ $VERBOSE -eq 1 ]] && echo "mounting read-only"
OPTIONS="--read-only"
fi
if ! mount $OPTIONS "$DEV" "$MOUNTPOINT"; then
echo "error mounting $DEV to $MOUNTPOINT (options $OPTIONS)"
return
fi