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system: do not clobber mount points

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In case of ZFS a move doesn't really work.  Remove links only
and move the directory contents over.
This commit is contained in:
Franco Fichtner 2021-12-16 10:51:14 +01:00
parent 50d3f5e738
commit 1eb25c2490
1 changed files with 12 additions and 8 deletions
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20
src/etc/rc.subr.d/var
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@ -64,22 +64,26 @@ install_mfs_link()
remove_mfs_link()
{
ROOT=${ROOTDIR}
MFS=$(dirname ${1})
NAME=$(basename ${1})
MFS=${1}
# Persistent copies of MFS-bound directories
# still there must be moved back into place.
if [ -d "${ROOT}${MFS}/${NAME}" ]; then
if [ -d "${ROOT}${MFS}" ]; then
if [ -L "${MFS}" ]; then
# reverse the recovery symlink before
# moving back the original database
rm "${MFS}"
fi
mkdir -p "${MFS}"
# reverse the recovery symlink before
# moving back the original database
rm -f "${MFS}/${NAME}"
mv "${ROOT}${MFS}/${NAME}" "${MFS}/"
for DIR in $(find "${ROOT}${MFS}" -depth 1); do
mv "${DIR}" "${MFS}/"
done
rm -r "${ROOT}${MFS}"
fi
# ensure directory always exist
mkdir -p "${MFS}/${NAME}"
mkdir -p "${MFS}"
}
# check which directories we need