Avoid removing top-level directories when cleaning up bind mounts in container remove and stop commands.

Previously when using 'bind=/mnt/foo:/foo/bar/baz;', this
removed /mnt on the host system too (if empty).

Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>

1 files changed, 23 insertions, 2 deletions

diff --git a/lib/container/remove b/lib/container/remove
index 1b1ba7d..c9a45a6 100755
--- a/lib/container/remove
+++ b/lib/container/remove
@@ -76,6 +76,27 @@ Usage ()
 	exit 1
 }
 
+Rmdir ()
+{
+	DIRECTORIES="${@}"
+
+	for DIRECTORY in ${DIRECTORIES}
+	do
+		PARENT_DIRECTORY="/$(echo ${DIRECTORY} | cut -d / -f 2)"
+
+		if [ "${PARENT_DIRECTORY}" != "${DIRECTORY}" ]
+		then
+			# the directory is at least two levels down from /
+			cd "${PARENT_DIRECTORY}"
+
+			CRUFT="$(echo ${DIRECTORY} | cut -d / -f 3-)"
+			rmdir --ignore-fail-on-non-empty --parents "${CRUFT}" > /dev/null 2>&1 || true
+
+			cd "${OLDPWD}"
+		fi
+	done
+}
+
 Parameters "${@}"
 
 if [ -z "${NAME}" ]
@@ -152,7 +173,7 @@ then
 		do
 			DIRECTORY="$(echo ${BIND} | awk -F: '{ print $1 }')"
 
-			rmdir --ignore-fail-on-non-empty --parents ${DIRECTORY} > /dev/null 2>&1 || true
+			Rmdir "${DIRECTORY}"
 		done
 	fi
 
@@ -167,7 +188,7 @@ then
 		do
 			DIRECTORY="$(echo ${BIND_RO} | awk -F: '{ print $1 }')"
 
-			rmdir --ignore-fail-on-non-empty --parents ${DIRECTORY} > /dev/null 2>&1 || true
+			Rmdir "${DIRECTORY}"
 		done
 	fi
 fi