Name kit artifacts

Without a name, the download program will grab the latest artifacts no
matter what they are, like .coverage data files from metacov.

This ensures we get the kits.

.github/workflows/kit.yml

@@ -50,6 +50,7 @@ jobs:
       - name: Upload wheels
         uses: actions/upload-artifact@v2
         with:
+          name: dist
           path: ./wheelhouse/*.whl
 
   build_sdist:
@@ -71,6 +72,7 @@ jobs:
       - name: Upload sdist
         uses: actions/upload-artifact@v2
         with:
+          name: dist
           path: dist/*.tar.gz
 
   build_pypy:
@@ -97,4 +99,5 @@ jobs:
       - name: Upload wheels
         uses: actions/upload-artifact@v2
         with:
+          name: dist
           path: dist/*.whl

ci/download_gha_artifacts.py

@@ -49,9 +49,12 @@ def utc2local(timestring):
 os.chdir(dest)
 
 r = requests.get(f"https://api.github.com/repos/{repo_owner}/actions/artifacts")
-latest = max(r.json()["artifacts"], key=lambda a: a["created_at"])
-
-print(f"Artifacts created at {utc2local(latest['created_at'])}")
-download_url(latest["archive_download_url"], temp_zip)
-unpack_zipfile(temp_zip)
-os.remove(temp_zip)
+dists = [a for a in r.json()["artifacts"] if a["name"] == "dist"]
+if not dists:
+    print(f"No recent dists!")
+else:
+    latest = max(dists, key=lambda a: a["created_at"])
+    print(f"Artifacts created at {utc2local(latest['created_at'])}")
+    download_url(latest["archive_download_url"], temp_zip)
+    unpack_zipfile(temp_zip)
+    os.remove(temp_zip)

howto.txt

@@ -44,8 +44,10 @@
     - ELSE:
         $ make publish
 - Kits:
+    - Manually trigger the kit GitHub Action
+        - https://github.com/nedbat/coveragepy/actions?query=workflow%3A%22Build+kits%22
     - Download built kits from GitHub Actions:
-        $ make download_kits
+        $ make clean download_kits
     - examine the dist directory, and remove anything that looks malformed.
     - check the dist directory:
         $ python -m twine check dist/*