ci(repo-stats): chart container pulls from ghcr.io alongside clones/stars

GHCR exposes total + 30-day daily-pull counts only in the package page
    HTML (no REST or GraphQL endpoint). jgehrcke/github-repo-stats has no
    notion of container metrics, so post-process the report after it runs.

    New: .github/scripts/ghcr_inject.py
    - Scrapes Total downloads (exact integer from title="N", not the K-rounded
      display) and the 30-day sparkline (rect data-merge-count, data-date).
    - Merges per-day rows into maziggy/bambuddy/ghcr-pulls.csv on gh-pages.
      Fresh window overwrites overlapping dates, so GitHub's late revisions
      to the last 30 days self-correct; days older than 30 stay frozen at
      whatever was captured while still in-window.
    - Patches latest-report/report.html: adds a TOC entry, a Container
      pulls (ghcr.io) section at the top, and a Vega-Lite line+point chart
      whose theme/config is cloned from the existing Total clones chart so
      it inherits the report's look-and-feel.
    - Bracketed by HTML-comment markers so re-runs replace rather than
      stack (jgehrcke regenerates report.html every tick; we re-inject).
    - Hard-fails if either scrape pattern stops matching — silent fallbacks
      would let the chart freeze without notice.

    Workflow: after run-ghrs, checkout source + gh-pages, run the injector,
    commit only if the diff is non-empty. Uses the existing contents: write
    permission; no new secrets.
This commit is contained in:
maziggy
2026-07-07 10:54:53 +02:00
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name: GitHub Repo Stats
on:
schedule:
- cron: "0 23 * * *"
workflow_dispatch:
permissions:
contents: write
jobs:
repo-stats:
name: repo-stats
runs-on: ubuntu-latest
steps:
- name: run-ghrs
uses: jgehrcke/github-repo-stats@v1.4.2
with:
repository: maziggy/bambuddy
ghtoken: ${{ secrets.GHRS_GITHUB_API_TOKEN }}
ghpagesprefix: https://maziggy.github.io/bambuddy
# Inject ghcr.io container-download stats (cumulative + 30-day
# sparkline merged into a sidecar CSV so the chart grows beyond
# the 30-day window GHCR exposes). Runs after jgehrcke regenerates
# report.html on gh-pages.
- name: checkout-source
uses: actions/checkout@v4
with:
path: source
# jgehrcke/github-repo-stats commits to the `github-repo-stats`
# branch by default (NOT gh-pages — Pages is configured to serve
# from that branch). Direct git clone with the PAT surfaces real
# git stderr if anything fails, unlike actions/checkout@v4 which
# swallows errors as opaque "exit code 1".
- name: checkout-data-branch
env:
GH_PAT: ${{ secrets.GHRS_GITHUB_API_TOKEN }}
run: |
git clone --branch github-repo-stats --depth 1 \
"https://x-access-token:${GH_PAT}@github.com/${{ github.repository }}.git" \
data
cd data
git config user.name "github-actions[bot]"
git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
- name: inject-ghcr-pulls
run: |
python3 source/.github/scripts/ghcr_inject.py \
--report data/maziggy/bambuddy/latest-report/report.html \
--csv data/maziggy/bambuddy/ghcr-pulls.csv \
--owner maziggy \
--pkg bambuddy
- name: commit-and-push
working-directory: data
run: |
if [ -z "$(git status --porcelain)" ]; then
echo "no changes — skipping commit"
exit 0
fi
git add maziggy/bambuddy/latest-report/report.html \
maziggy/bambuddy/ghcr-pulls.csv
git commit -m "ghcr-pulls: refresh container downloads chart"
git push