Prepare for 1.0.5 tag

scripts/version-update.sh

@@ -3,7 +3,7 @@
 set -e
 
 # This should be the _next_ epoch version
-version=1.0.4
+version=1.0.5
 subject="Epoch ${version} version update"
 description="Generated by cosmic-epoch scripts/version-update.sh"
 
@@ -30,11 +30,17 @@ do
     cargo update
     git commit -a -m "${subject}" -m "${description}"
     git push -f -u origin epoch-update
-    gh pr create \
-        --title "${subject}" \
-        --body "${description}" \
-        --assignee "@me" \
-        --reviewer "pop-os/engineering" \
-        --reviewer "pop-os/quality-assurance"
+    pr_url="$(gh pr list --head epoch-update --state open --json url --jq '.[].url')"
+    if [ -n "${pr_url}" ]
+    then
+        echo "PR already open: ${pr_url}"
+    else
+        gh pr create \
+            --title "${subject}" \
+            --body "${description}" \
+            --assignee "@me" \
+            --reviewer "pop-os/engineering" \
+            --reviewer "pop-os/quality-assurance"
+    fi
     popd
-done
+done