ci: update global workflows (#661)

.github/workflows/auto-create-pr.yml

@@ -3,6 +3,9 @@
 # Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in
 # the above-mentioned repo.
 
+# This workflow  creates a PR automatically when anything is merged/pushed into the `nightly` branch. The PR is created
+# against the `master` (default) branch.
+
 name: Auto create PR
 
 on:

.github/workflows/automerge.yml

@@ -3,6 +3,8 @@
 # Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in
 # the above-mentioned repo.
 
+# This workflow will, first, automatically approve PRs created by @LizardByte-bot. Then it will automerge relevant PRs.
+
 name: Automerge PR
 
 on:
@@ -11,6 +13,10 @@ on:
       - opened
       - synchronize
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   autoapprove:
     if: >-
@@ -40,9 +46,6 @@ jobs:
     if: startsWith(github.repository, 'LizardByte/')
     needs: [autoapprove]
     runs-on: ubuntu-latest
-    concurrency:
-      group: automerge-${{ github.ref }}
-      cancel-in-progress: true
 
     steps:
       - name: Automerging

.github/workflows/autoupdate-labeler.yml

@@ -3,6 +3,8 @@
 # Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in
 # the above-mentioned repo.
 
+# Label PRs with `autoupdate` if various conditions are met, otherwise, remove the label.
+
 name: Label PR autoupdate
 
 on:
@@ -38,7 +40,6 @@ jobs:
           contains(github.event.pull_request.labels.*.name, 'autoupdate') == false &&
           contains(github.event.pull_request.body,
             fromJSON('"\n- [x] I want maintainers to keep my branch updated"')) == true
-
         uses: actions/github-script@v6
         with:
           github-token: ${{ secrets.GH_BOT_TOKEN }}

.github/workflows/autoupdate.yml

@@ -7,8 +7,9 @@
 # - automerge
 # - autoupdate-labeler
 
-# It uses GitHub Action that auto-updates pull requests branches, when changes are pushed to their destination branch.
+# It uses an action that auto-updates pull requests branches, when changes are pushed to their destination branch.
 # Auto-updating to the latest destination branch works only in the context of upstream repo and not forks.
+# Dependabot PRs are updated by an action that comments `@depdenabot rebase` on dependabot PRs.
 
 name: autoupdate
 
@@ -39,14 +40,7 @@ jobs:
       startsWith(github.repository, 'LizardByte/')
     runs-on: ubuntu-latest
     steps:
-      - name: check labels
-        id: label
-        run: |
-          echo "central_dep=${{ contains(github.event.pull_request.labels.*.name, 'central_dependency') }}" \
-            >> $GITHUB_OUTPUT
-
       - name: rebase
-        if: ${{ steps.label.outputs.central_dep == 'false' }}
         uses: "bbeesley/gha-auto-dependabot-rebase@v1.2.0"
         env:
           GITHUB_TOKEN: ${{ secrets.GH_BOT_TOKEN }}

.github/workflows/issues-stale.yml

@@ -3,6 +3,8 @@
 # Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in
 # the above-mentioned repo.
 
+# Manage stale issues and PRs.
+
 name: Stale Issues / PRs
 
 on:

.github/workflows/issues.yml

@@ -3,6 +3,8 @@
 # Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in
 # the above-mentioned repo.
 
+# Label and un-label actions using `../label-actions.yml`.
+
 name: Issues
 
 on:

.github/workflows/pull-requests.yml

@@ -3,12 +3,18 @@
 # Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in
 # the above-mentioned repo.
 
+# Ensure PRs are made against `nightly` branch.
+
 name: Pull Requests
 
 on:
   pull_request_target:
     types: [opened, synchronize, edited, reopened]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   check-pull-request:
     name: Check Pull Request

.github/workflows/yaml-lint.yml

@@ -3,6 +3,8 @@
 # Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in
 # the above-mentioned repo.
 
+# Lint yaml files.
+
 name: yaml lint
 
 on:
@@ -10,6 +12,10 @@ on:
     branches: [master, nightly]
     types: [opened, synchronize, reopened]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   yaml-lint:
     runs-on: ubuntu-latest