Merge "Only unmount directories that are mounted"
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commit
340738fb86
@ -343,6 +343,8 @@ function unmount_dir {
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local dir="$1"
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local real_dir
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local mnts
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local split_mounts
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local found_mountpoint
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if [ ! -d $dir ]; then
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echo "*** $dir is not a directory"
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@ -353,12 +355,30 @@ function unmount_dir {
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# /proc/mounts is the real path
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real_dir=$(readlink -e $dir)
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# populate the exported mountpoints
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IFS='|' read -ra split_mounts <<< "$DIB_MOUNTPOINTS"
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# note the "/" on real_dir ... we are just looking for things
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# mounted *underneath* this directory.
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mnts=$(awk '{print $2}' < /proc/mounts | grep "^$real_dir/" | sort -r)
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for m in $mnts; do
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echo "Unmount $m"
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sudo umount -fl $m || true
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# check if suffix is in array
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found_mountpoint=false
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for mountpoint in "${split_mounts[@]}"; do
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if [[ "$mountpoint" != "/" ]]; then
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if [[ "$m" == *$mountpoint ]]; then
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echo "Mountpoint $m managed by block device; skipping"
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found_mountpoint=true
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break
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fi
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fi
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done
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if [ $found_mountpoint == false ]; then
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# unmount the directory as it is not managed by block device
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echo "Unmount $m"
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sudo umount -fl $m || true
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fi
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done
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}
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