Update style of temp dir cleanup function

The function was in the middle of other internal functions, so it was
moved for readability. Indentation was changed to tabs and made to be
consistent.

Signed-off-by: Steve Kuznetsov <[email protected]>

Author: stevekuznetsov

hack/lib/cleanup.sh

@@ -76,31 +76,6 @@ function os::cleanup::dump_container_logs() {
 }
 readonly -f os::cleanup::dump_container_logs
 
-# os::cleanup::tmpdir performs cleanup of temp directories as a precondition for running a test. It tries to
-# clean up mounts in the temp directories.
-#
-# Globals:
-#  - BASETMPDIR
-#  - USE_SUDO
-# Returns:
-#  None
-function os::cleanup::tmpdir() {
-    # ensure that the directories are clean
-    if os::util::find::system_binary "findmnt" &>/dev/null; then
-        for target in $( ${USE_SUDO:+sudo} findmnt --output TARGET --list ); do
-            if [[ "${target}" == "${BASETMPDIR}"* ]]; then
-                ${USE_SUDO:+sudo} umount "${target}"
-            fi
-        done
-    fi
-
-		# delete any sub directory underneath BASETMPDIR
-    for directory in $( find "${BASETMPDIR}" -d 2 ); do
-        ${USE_SUDO:+sudo} rm -rf "${directory}"
-    done
-}
-readonly -f os::cleanup::tmpdir
-
 # os::cleanup::internal::list_k8s_containers returns a space-delimited list of
 # docker containers that belonged to k8s.
 #
@@ -122,4 +97,29 @@ function os::cleanup::internal::list_k8s_containers() {
 
 	echo "${ids[*]:+"${ids[*]}"}"
 }
-readonly -f os::cleanup::internal::list_k8s_containers
+readonly -f os::cleanup::internal::list_k8s_containers
+
+# os::cleanup::tmpdir performs cleanup of temp directories as a precondition for running a test. It tries to
+# clean up mounts in the temp directories.
+#
+# Globals:
+#  - BASETMPDIR
+#  - USE_SUDO
+# Returns:
+#  None
+function os::cleanup::tmpdir() {
+	# ensure that the directories are clean
+	if os::util::find::system_binary "findmnt" &>/dev/null; then
+		for target in $( ${USE_SUDO:+sudo} findmnt --output TARGET --list ); do
+			if [[ "${target}" == "${BASETMPDIR}"* ]]; then
+				${USE_SUDO:+sudo} umount "${target}"
+			fi
+		done
+	fi
+
+	# delete any sub directory underneath BASETMPDIR
+	for directory in $( find "${BASETMPDIR}" -d 2 ); do
+		${USE_SUDO:+sudo} rm -rf "${directory}"
+	done
+}
+readonly -f os::cleanup::tmpdir