wiki docs generation - fixups and fork ops

.github/workflows/generate-wiki-docs.yml

@@ -6,44 +6,60 @@ on:
     paths:
       - .github/workflows/_shared*
       - .github/workflows/generate-wiki-docs.yml
+      - .internal/ansible/**
       - actions/**/action.yml
 
+env:
+  # if you want this workflow to run on your fork, you must:
+  # 1) enable the wiki (and have at minimum a main/default page)
+  # 2) set the GENERATE_WIKI_PAGES secret in your fork to the value "yes"
+  SHOULD_RUN: ${{ secrets.GENERATE_WIKI_PAGES == 'yes' || github.repository == 'ansible-community/github-docs-build' }}
+
 jobs:
   generate:
     env:
-      # this path is going to be used with rsync, it MUST end in a forward slash [/]
-      WIKI: ${{ github.workspace }}/wiki/
+      WIKI: ${{ github.workspace }}/wiki
       ANSIBLE_COLLECTIONS_PATHS: ${{ github.workspace }}/.internal/ansible
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - if: fromJSON(env.SHOULD_RUN)
+        uses: actions/checkout@v2
 
       - name: Checkout wiki
+        if: fromJSON(env.SHOULD_RUN)
         uses: actions/checkout@v2
         with:
           repository: ${{ github.repository }}.wiki
           path: ${{ env.WIKI }}
 
       - uses: actions/setup-python@v2
+        if: fromJSON(env.SHOULD_RUN)
         with:
           python-version: '3.9'
 
       - name: Install Ansible
+        if: fromJSON(env.SHOULD_RUN)
         run: pip install 'ansible-core>=2.12,<2.13' --disable-pip-version-check
 
       - name: Generate new docs
+        if: fromJSON(env.SHOULD_RUN)
         run: >-
           ansible-playbook
           internal.gha_docs.generate_docs
           -e "action_output_dir=$WIKI/actions"
           -e "workflow_output_dir=$WIKI/workflows"
 
       - name: Publish docs
+        if: fromJSON(env.SHOULD_RUN)
         # @v2 https://github.com/Andrew-Chen-Wang/github-wiki-action/releases/tag/v2
         uses: Andrew-Chen-Wang/github-wiki-action@b386aca0ddc5ec22b6003ba4cb50fa0b17243f6c
         env:  # this action is written such that the inputs must be specified as env vars
-          WIKI_DIR: ${{ env.WIKI }}
+          # WIKI_DIR is going to be used with rsync, it MUST end in a forward slash [/]
+          WIKI_DIR: ${{ env.WIKI }}/
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GH_MAIL: ${{ github.event.head_commit.author.email }}
-          GH_NAME: ${{ github.event.head_commit.author.name }}[bot]
+          # GH_NAME is going to be used raw in a URL in an unquoted commandline, it can't contain spaces
+          # it's supposed to be a username, not a name, but it doesn't need to be a valid username,
+          # at least not with GITHUB_TOKEN (for a PAT, may need to match, unsure)
+          GH_NAME: ${{ github.event.head_commit.author.username || github.repository.owner }}[bot]
           WIKI_PUSH_MESSAGE: 'Docs for ${{ github.repository }}/${{ github.event.head_commit.id }} : ${{ github.event.head_commit.message }}'

.internal/ansible/ansible_collections/internal/gha_docs/roles/generate/tasks/main.yml

@@ -3,6 +3,12 @@
   set_fact:
     _src: "{{ lookup('ansible.builtin.file', file) | from_yaml }}"
 
+- name: Ensure output dir exists
+  ansible.builtin.file:
+    path: '{{ output | dirname }}'
+    state: directory
+    mode: '755'
+
 - name: Template the workflow docs
   when: type == 'workflow'
   vars: