upd: add check for if tput exists and if git repo is a repo

.config/shell/bin/upd

@@ -1,12 +1,17 @@
 #!/bin/bash
 
+if command -v tput > /dev/null; then
+   GREEN="$(tput setaf 2)"
+   NC="$(tput sgr0)"
+fi
+
 # Check for updates for thing in the REPOS_TO_UPDATE variable
 IFS=: read -ra REPOS_TO_UPDATE_ARR <<< "$REPOS_TO_UPDATE:$DOCS_DIR:$HOME/bin"
 for REPO in "${REPOS_TO_UPDATE_ARR[@]}"; do
-   tput setaf 2
-   echo " Pulling ${REPO/$HOME/"~"}‥"
-   tput sgr0
-   git -C "$REPO" pull
+   if git -C "$REPO" rev-parse > /dev/null 2>&1; then
+      echo " ${GREEN}Pulling ${REPO/$HOME/"~"}‥${NC}"
+      git -C "$REPO" pull
+   fi
 done
 
 # check for dotfiles updates