Update create-pull-request.md

Author: MichaelCurrin

recipes/ci-cd/github-actions/workflows/create-pull-request.md

@@ -14,7 +14,7 @@
 - [Create Pull Request](https://github.com/marketplace/actions/create-pull-request) action
    > A GitHub action to create a pull request for changes to your repository in the actions workspace.
 
-If you use this action, you don't need a separate step to commit first as this handles it for you.
+If you use this action, you don't need a separate step to commit first, as this handles it for you.
 
 > The changes will be automatically committed to a new branch and a pull request created.
 
@@ -48,16 +48,51 @@ steps:
 ```
 
 
-## No action and across repos
+## No action
 
-Here we hit the GitHub API to create a PR. We don't actually make the commit or branch here - just the PR itself.
+Here we hit the GitHub API to create a PR. 
 
-Note that here we are targeting a different repo to the current repo, so need a token to be specified.
+We don't actually make the commit or branch here - just the PR itself. See [Commit][] recipe for making the commit.
+
+[Commit]: {{ site.baseurl }}{% link recipes/ci-cd/github-actions/workflows/commit.md %}
+
+### Same repo
+
+Note that `GITHUB_TOKEN` will be generated for you.
+
+```yaml
+env:
+  BRANCH_NAME: ${{ github.head_ref }}
+
+jobs:
+  create-pr:
+    steps:
+      - name: Create Pull Request
+        run: |
+          PAYLOAD=$(cat <<EOF
+            {
+              "title": "Title of my PR",
+              "body": "Automated PR to ...",
+              "head": "${BRANCH_NAME}",
+              "base": "main"
+            }
+          EOF
+          )
+          curl https://api.github.com/repos/my-user/other-repo/pulls \
+            --header "Authorization: token ${ TOKEN }" \
+            -H "Content-Type:application/json" \
+            -d "$PAYLOAD"
+        env:
+          TOKEN: ${{ secrets.GITHUB_TOKEN }}
+```
+
+### Across repos
+
+Note that here we are targeting a different repo to the current repo, so need a token to be specified as `GH_TOKEN` in secrets (don't use the built-in `GITHUB_TOKEN` name.
 
 ```yaml
 env:
   BRANCH_NAME: ${{ github.head_ref }}
-  GITHUB_TOKEN: ${{ secrets.TOKEN }}
 
 jobs:
   create-pr:
@@ -73,10 +108,19 @@ jobs:
             }
           EOF
           )
-          curl -v -u my-user:$GITHUB_TOKEN \
+          curl 
+            https://api.github.com/repos/my-user/my-repo/pulls \
+            --header "Authorization: token ${TOKEN}" \
             -H "Content-Type:application/json" \
-            https://api.github.com/repos/my-user/other-repo/pulls \
             -d "$PAYLOAD"
+        env:
+          TOKEN: ${{ secrets.GH_TOKEN }}
+```
+
+You can also do this:
+
+```
+-u my-user:$GITHUB_TOKEN
 ```