kiss: remove case statement

kiss

@@ -1353,17 +1353,18 @@ pkg_updates() {
             printf 'Skipping repository, not a directory\n'
             continue
         }
+
         cd "$repo"
 
-        case $(git remote 2>/dev/null) in
-            "")
+        git remote >/dev/null 2>&1 || {
             log "$repo" " "
             printf 'Skipping git pull, not a repository\n'
-            ;;
+            continue
+        }
 
-            *)
         # Go to the repository's root directory.
-                cd "$(git rev-parse --show-toplevel)"
+        git_root=$(git rev-parse --show-toplevel)
+        cd "${git_root:?"failed to find git root for '$PWD'"}"
 
         # Go to the real root directory if this is a submodule.
         git_root=$(git rev-parse --show-superproject-working-tree)
@@ -1401,8 +1402,6 @@ pkg_updates() {
                 as_root git submodule update --remote --init -f
             fi
         }
-            ;;
-        esac
     done
 
     log "Checking for new package versions"