Move the code to update symlinks to a separate function, call it from pre_build and after each set build.

Signed-off-by: Jorge Manuel B. S. Vicetto (jmbsvicetto) <jmbsvicetto@gentoo.org>

tools/catalyst-auto-amd64.conf

@@ -59,11 +59,7 @@ give_latest_from_dates() {
 	tr '~' '-'
 }
 
-pre_build() {
-	pushd ${REPO_DIR}
-	git pull
-	popd
-
+update_symlinks() {
 	# Symlink the latest stages3 to build from
 	for d in ${BUILD_SRCDIR_BASE}/{default,hardened} ; do
 		pushd $d
@@ -76,6 +72,13 @@ pre_build() {
 	done
 }
 
+pre_build() {
+	pushd ${REPO_DIR}
+	git pull
+	popd
+	update_symlinks
+}
+
 post_build() {
 	pushd ${BUILD_SRCDIR_BASE}/default
 	mkdir -p ${BUILD_DESTDIR_BASE}