Allow to set a token from input (#1)

Reviewed-on: #1
Co-authored-by: Julien Fastré <julien.fastre@champs-libres.coop>
Co-committed-by: Julien Fastré <julien.fastre@champs-libres.coop>

README.md

@@ -1,5 +1,35 @@
 # Gitea action to Create a Pull Request
 
-Gitea action to create a pull request.
+Gitea action to create a pull request. This action is not github action compatible.
 
 Inspired by https://github.com/peter-evans/create-pull-request, but without the ability to commit the changes.
+
+## Usage
+
+```yaml
+name: Gitea Actions Demo
+run-name: ${{ gitea.actor }} is testing out Gitea Actions 
+on: [push]
+
+jobs:
+  Explore-Gitea-Actions:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Go
+        uses: https://github.com/actions/setup-go@v5
+        with:
+          go-version: '1.22'
+          
+      # ... do something with your code
+      
+      
+
+      - name: Use Go Action  
+        id: use-go-action
+        uses: https://gitea.champs-libres.be/julienfastre/action-create-pr@main
+        with:
+          assignees: julienfastre
+          base: master
+          labels: bug, invalid, something else
+
+```

action.yml

@@ -4,6 +4,9 @@ runs:
   using: 'go'
   main: 'main.go'
 inputs:
+  token:
+    description: 'Access token which allow to create pull requests'
+    default: ${{ github.token }}
   title:
     required: false
     description: The title of the pull request
@@ -23,6 +26,7 @@ inputs:
   head:
     description: >
       The pull request head branch (the one within the new code is developed).
+
   outputs:
     pull-request-number:
       description: 'The pull request number'

main.go

@@ -69,8 +69,9 @@ func main() {
 		githubactions.Fatalf("could not get context: %v", err.Error())
 	}
 
-	token := os.Getenv("GITHUB_TOKEN")
+	token := githubactions.GetInput("token")
 	fmt.Printf("Api url is %v\n", ctx.ServerURL)
+	fmt.Printf("Debug: token length is %d characters\n", len(token))
 
 	config, err := ParseActionConfig(*ctx)
 	if err != nil {
@@ -125,7 +126,7 @@ func (a *Agent) ExistingOpenPullRequest(config CreatePrConfig) (bool, *gitea.Pul
 			gitea.ListPullRequestsOptions{State: gitea.StateOpen, ListOptions: gitea.ListOptions{Page: currentPage}})
 
 		if err != nil {
-			return false, nil, err
+			return false, nil, fmt.Errorf("error while listing all exisiting open pull requests: %v", err.Error())
 		}
 
 		for _, pull := range pulls {