Add PR workflow and related facilities

[noissue]

.github/scripts/validate_commit_message.py

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+import os
+import re
+import subprocess
+import sys
+from pathlib import Path
+
+import toml
+from github import Github
+
+KEYWORDS = ["fixes", "closes"]
+BLOCKING_REGEX = [
+    "DRAFT",
+    "WIP",
+    "NOMERGE",
+    r"DO\s*NOT\s*MERGE",
+    "EXPERIMENT",
+]
+NO_ISSUE = "[noissue]"
+CHANGELOG_EXTS = [
+    f".{item['directory']}" for item in toml.load("pyproject.toml")["tool"]["towncrier"]["type"]
+]
+
+sha = sys.argv[1]
+message = subprocess.check_output(["git", "log", "--format=%B", "-n 1", sha]).decode("utf-8")
+
+if any((re.match(pattern, message) for pattern in BLOCKING_REGEX)):
+    sys.exit("This PR is not ready for consumption.")
+
+g = Github(os.environ.get("GITHUB_TOKEN"))
+repo = g.get_repo("pulp/pulp-cli")
+
+
+def check_status(issue):
+    gi = repo.get_issue(int(issue))
+    if gi.pull_request:
+        sys.exit(f"Error: issue #{issue} is a pull request.")
+    if gi.closed_at:
+        sys.exit(f"Error: issue #{issue} is closed.")
+
+
+def check_changelog(issue):
+    matches = list(Path("CHANGES").rglob(f"{issue}.*"))
+
+    if len(matches) < 1:
+        sys.exit(f"Could not find changelog entry in CHANGES/ for {issue}.")
+    for match in matches:
+        if match.suffix not in CHANGELOG_EXTS:
+            sys.exit(f"Invalid extension for changelog entry '{match}'.")
+
+
+print("Checking commit message for {sha}.".format(sha=sha[0:7]))
+
+# validate the issue attached to the commit
+issue_regex = r"(?:{keywords})[\s:]+#(\d+)".format(keywords=("|").join(KEYWORDS))
+issues = re.findall(issue_regex, message, re.IGNORECASE)
+cherry_pick_regex = r"^\s*\(cherry picked from commit [0-9a-f]*\)\s*$"
+cherry_pick = re.search(cherry_pick_regex, message, re.MULTILINE)
+
+if issues:
+    for issue in issues:
+        if not cherry_pick:
+            check_status(issue)
+            check_changelog(issue)
+else:
+    if NO_ISSUE in message:
+        print("Commit {sha} has no issues but is tagged {tag}.".format(sha=sha[0:7], tag=NO_ISSUE))
+    else:
+        sys.exit(
+            "Error: no attached issues found for {sha}. If this was intentional, add "
+            " '{tag}' to the commit message.".format(sha=sha[0:7], tag=NO_ISSUE)
+        )
+
+print("Commit message for {sha} passed.".format(sha=sha[0:7]))

.github/workflows/build.yml

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+name: "Build"
+
+on:
+  workflow_call:
+
+jobs:
+  build:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v4"
+      - name: "Set up Python"
+        uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+      - name: "Install python dependencies"
+        run: |
+          pip install build setuptools wheel
+      - name: "Build wheels"
+        run: |
+          make build
+      - name: "Upload wheels"
+        uses: "actions/upload-artifact@v4"
+        with:
+          name: "pulp_docs_package"
+          path: |
+            dist/
+          if-no-files-found: "error"

.github/workflows/docs.yml

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+name: "Docs"
+
+on:
+  workflow_call:
+
+jobs:
+  test:
+    runs-on: "ubuntu-20.04"
+    steps:
+      - uses: "actions/checkout@v4"
+      - name: "Set up Python"
+        uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+      - name: "Install Test Dependencies"
+        run: |
+          pip install -r doc_requirements.txt
+      - name: Build docs
+        run: make docs

.github/workflows/pr.yml

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+name: "pulp-docs CI"
+
+on:
+  pull_request:
+
+concurrency:
+  group: "main-${{ github.ref_name }}-${{ github.workflow }}"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    uses: "./.github/workflows/build.yml"
+  docs:
+    needs:
+      - "build"
+    uses: "./.github/workflows/docs.yml"
+  ready-to-ship:
+    # This is a dummy dependent task to have a single entry for the branch protection rules.
+    runs-on: "ubuntu-latest"
+    needs:
+      - "docs"
+    if: "always()"
+    steps:
+      - name: "Collect needed jobs results"
+        run: |
+          echo '${{toJson(needs)}}' | jq -r 'to_entries[]|select(.value.result!="success")|.key + ": " + .value.result'
+          echo '${{toJson(needs)}}' | jq -e 'to_entries|map(select(.value.result!="success"))|length == 0'
+          echo "CI says: Looks good!"

Makefile

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+build:
+	pyproject-build -n
+
+docs:
+	pulp-docs build
+
+.PHONY: build docs

doc_requirements.txt

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+.