ubuntu-22.04.3-desktop-amd64/casper/filesystem/usr/lib/partman/check.d/05proper_mountpoints

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#!/bin/sh
. /lib/partman/lib/base.sh
# At least one file system to mount on /
no_root () {
mountpoints=$(
for i in /lib/partman/fstab.d/*; do
[ -x "$i" ] || continue
$i
done |
while read fs mp type options dump pass; do
echo $mp
done
)
for mp in $mountpoints; do
if [ "$mp" = / ]; then
return 0
fi
done
db_capb align
db_input critical partman-target/no_root || true
db_go || true
db_capb backup align
exit 1
}
# No two file systems with one and the same mount point
same_mountpoints () {
mountpoints=$(
for i in /lib/partman/fstab.d/*; do
[ -x "$i" ] || continue
$i
done |
while read fs mp type options dump pass; do
case "$mp" in
(/*)
echo $mp,$fs;;
esac
done |
sort
)
oldmp=' '
for x in $mountpoints; do
mp=${x%,*}
fs=${x##*,}
if [ "$mp" = "$oldmp" ]; then
db_subst partman-target/same_mountpoint PART1 $(humandev $oldfs)
db_subst partman-target/same_mountpoint PART2 $(humandev $fs)
db_subst partman-target/same_mountpoint MOUNTPOINT "$mp"
db_capb align
db_input critical partman-target/same_mountpoint || true
db_go || true
db_capb backup align
exit 1
else
oldmp="$mp"
oldfs="$fs"
fi
done
}
# Some directories must be on the root file system
must_be_on_root () {
mountpoints=$(
for i in /lib/partman/fstab.d/*; do
[ -x "$i" ] || continue
$i
done |
while read fs mp type options dump pass; do
echo $mp
done
)
for mp in $mountpoints; do
case $mp in
/bin|/dev|/etc|/lib|/lib32|/lib64|/media|/sbin)
db_subst partman-target/must_be_on_root MOUNTPOINT "$mp"
db_capb align
db_input critical partman-target/must_be_on_root || true
db_go || true
db_capb backup align
exit 1
esac
done
}
no_root
same_mountpoints
must_be_on_root