pull-repos: git pull should go before

imagine the branch is new and does not exist

pull-repos.sh

@@ -14,13 +14,13 @@ _pull() {
 
         if [ -d "${mydir}" ]; then
                 cd "${mydir}"
+                git pull
                 current_branch="$(git branch --show-current)"
                 # ensure we are in the right branch without invalidating docker build cache
                 #   yes, even without no branch switch and no new commits
                 if [ ! "${current_branch}" = "${expected_branch}" ]; then
                         git checkout "${expected_branch}"
                 fi
-                git pull
                 cd -
         else
                 git clone -b "${expected_branch}" "${myurl}" "${mydir}"