fix PR-related data parsing

Author: Tofel

.github/workflows/generate-go-docs.yaml

@@ -24,11 +24,6 @@ jobs:
           aws-lambda-url: ${{ secrets.GATI_LAMBDA_TT_URL }}
           aws-region: ${{ secrets.AWS_REGION }}
 
-      - name: Checkout current branch
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
       - name: Configure git for private repository and install go doc generator
         env:
           GOPRIVATE: github.com/smartcontractkit/generate-go-function-docs
@@ -42,41 +37,40 @@ jobs:
         run: |
           go install golang.org/x/tools/gopls@latest             
 
-      - name: Setup Git
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"              
+      - name: Checkout current branch
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0             
 
-      - name: Get PR details
-        id: pr-details
+      - name: Setup Git to use GitHub Actions bot
         run: |
-          echo "pr_number=$(jq -r .pull_request.number <<< "$GITHUB_EVENT_PATH")" >> $GITHUB_OUTPUT
-          echo "pr_branch=$(jq -r .pull_request.head.ref <<< "$GITHUB_EVENT_PATH")" >> $GITHUB_OUTPUT
-          echo "base_commit=${{ github.event.pull_request.base.sha }}" >> $GITHUB_OUTPUT
-          echo "head_commit=${{ github.event.pull_request.head.sha }}" >> $GITHUB_OUTPUT          
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"          
 
       - name: Create a new branch
         run: |
-          git checkout -b ${{ steps.pr-details.outputs.pr_branch }}-docs
+          git checkout -b ${{ github.event.pull_request.head.ref }}-docs
 
       - name: Generate go docs
         shell: bash
         env:
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
         run: |
-          generate-go-function-docs diff -b ${{ steps.pr-details.outputs.base_commit }} -c ${{ steps.pr-details.outputs.head_commit }} -g fake_slash
+          # Add go binary to PATH
+          PATH=$PATH:$(go env GOPATH)/bin
+          export PATH 
+          generate-go-function-docs diff -b ${{ github.event.pull_request.base.sha }} -c ${{ github.event.pull_request.head.sha }} -g fake_slash
 
       - name: Make sure code still compiles
         run: |
           go mod tidy
-          go mod vendor
           go build ./...
 
       - name: Commit changes
         run: |
           git add .
           git commit -m "Add automatically generated go documentation"
-          git push origin ${{ steps.pr-details.outputs.pr_branch }}-docs
+          git push origin ${{ github.event.pull_request.head.ref }}-docs
 
       - name: Setup GitHub Token for creating a new PR
         id: setup-github-token-write
@@ -90,7 +84,7 @@ jobs:
         uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          base: ${{ env.pr_branch }}
-          branch: ${{ steps.pr-details.outputs.pr_branch }}-docs
-          title: "Go docs for PR#${{ env.pr_number }}"
-          body: "This PR contains automatically generated go documentation for the PR#${{ env.pr_number }}. Please review the changes."
+          base: ${{ github.event.pull_request.head.ref }}
+          branch: ${{ github.event.pull_request.head.ref }}-docs
+          title: "Go docs for PR#${{ github.event.pull_request.number }}"
+          body: "This PR contains automatically generated go documentation for the PR#${{ github.event.pull_request.number }}. Please review the changes."