Tweak upgrade script to search for remote origin branches

production/mempool-upgrade-all

@@ -21,13 +21,15 @@ update_repo()
     cd "$HOME/${site}" || exit 1
 
     git fetch origin || exit 1
-    for remote in mempool MiguelMedeiros knorrium;do
+    for remote in origin knorrium hunicus;do
         git remote add "${remote}" "https://github.com/${remote}/mempool" >/dev/null 2>&1
         git fetch "${remote}" || exit 1
     done
 
     if [ $(git tag -l "${REF}") ];then
         git reset --hard "tags/${REF}" || exit 1
+    elif [ $(git branch -r -l "origin/${REF}") ];then
+        git reset --hard "origin/${REF}" || exit 1
     else
         git reset --hard "${REF}" || exit 1
     fi