use github user name if available

docs/CONTRIBUTING.md

@@ -41,6 +41,12 @@ The cherry-picker script is configured to use `v1` as the base branch and `maste
 It will create a new checkout in a temp dir, create a new branch, perform the cherry-pick, and then
 prompt before creating a PR to the target branch.
 
+If you set your GitHub username, it will create the branch on your fork,
+
+```bash
+git config --global github.user <github_handle>
+```
+
 ## Testing / Development
 
 The driver tests can be run against several database configurations. The most simple configuration is a standalone mongod with no auth, no ssl, and no compression. To run these basic driver tests, make sure a standalone MongoDB server instance is running at localhost:27017. To run the tests, you can run `make` (on Windows, run `nmake`). This will run coverage, run go-lint, run go-vet, and build the examples.

etc/cherry-picker.sh

@@ -15,21 +15,28 @@ git cherry-pick -x $sha
 
 old_title=$(git --no-pager log  -1 --pretty=%B | head -n 1)
 ticket=$(echo $old_title | sed -r 's/([A-Z]+-[0-9]+).*/\1/')
-echo "ticket $ticket"
 text=$(echo $old_title | sed -r 's/([A-Z]+-[0-9]+) (.*) \(#[0-9]*\)/\2/')
-echo "text $text"
 pr_number=$(echo $old_title| sed -r 's/.*(#[0-9]*)\)/\1/')
-echo "pr number: $pr_number"
+user=$(git config github.user)
+
+if [ -n "$user" ]; then
+    head="$user:$branch"
+else
+    head="$origin:$branch"
+fi
+
 title="$ticket [$target] $text"
 body="Cherry-pick of $pr_number from $base to $target"
 
 echo
 echo "Creating PR..."
 echo "Title: $title"
 echo "Body: $body"
+echo "Base: $base"
+echo "Head: $head"
 echo
 
 read -p 'Push changes? (Y/n) ' choice
 if [[ "$choice" == "Y" || "$choice" == "y" || -z "$choice" ]]; then
-    gh pr create --title "$title" --base $target --body "$body"
+    gh pr create --title "$title" --base $target --head $head --body "$body"
 fi