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diff -u -r --new-file os-prober-1.77.orig/common.sh os-prober-1.77/common.sh
--- os-prober-1.77.orig/common.sh 2018-08-10 14:23:18.000000000 -0500
+++ os-prober-1.77/common.sh 2019-08-05 23:39:13.130356299 -0500
@@ -4,6 +4,10 @@
cleanup_tmpdir=false
cleanup () {
+ local partition
+ for partition in $cleanup_ro_partitions; do
+ blockdev --setrw "$partition"
+ done
if $cleanup_tmpdir; then
rm -rf "$OS_PROBER_TMP"
fi
@@ -176,6 +180,15 @@
sed 's/\\011/ /g; s/\\012/\n/g; s/\\040/ /g; s/\\134/\\/g'
}
+ro_partition () {
+ if type blockdev >/dev/null 2>&1 && \
+ [ "$(blockdev --getro "$1")" = 0 ] && \
+ blockdev --setro "$1"; then
+ cleanup_ro_partitions="${cleanup_ro_partitions:+$cleanup_ro_partitions }$1"
+ trap cleanup EXIT HUP INT QUIT TERM
+ fi
+}
+
find_label () {
local output
if type blkid >/dev/null 2>&1; then
diff -u -r --new-file os-prober-1.77.orig/os-probes/common/50mounted-tests os-prober-1.77/os-probes/common/50mounted-tests
--- os-prober-1.77.orig/os-probes/common/50mounted-tests 2018-08-10 14:23:18.000000000 -0500
+++ os-prober-1.77/os-probes/common/50mounted-tests 2019-08-05 23:37:24.763351672 -0500
@@ -69,6 +69,15 @@
debug "mounted using GRUB, but unknown filesystem?"
type=fuseblk
fi
+else
+ ro_partition "$partition"
+ for type in $types $delaytypes; do
+ if mount -o ro -t "$type" "$partition" "$tmpmnt" 2>/dev/null; then
+ debug "mounted as $type filesystem"
+ mounted=1
+ break
+ fi
+ done
fi
if [ "$mounted" ]; then
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