Update every 14 days; close previous prs

.gitea/workflows/autoupdate.yml

@@ -2,7 +2,7 @@ name: Weekly Flake Update
 
 on:
     schedule:
-        - cron: "0 0 * * 4"
+        - cron: "0 4 /14 * *"
     workflow_dispatch:
 
 permissions:
@@ -102,6 +102,18 @@ jobs:
                 -L "bump"
                 -t "$COMMIT_MSG"
                 -d "$COMMIT_DESC"
+            - name: close other bump requests
+              run: |
+                for i in $(tea pr -o simple | grep "Automatic Nixpkgs update" | awk '{print $1}')
+                do
+                  if [ "$i" = "" ]
+                  then
+                    echo "No bumps to close"
+                    exit 0
+                  else
+                    tea pr close $i
+                  fi
+                done
             - name: Skip pull request
               if: steps.no-pr.outcome == 'failure'
               shell: bash