Merge pull request #290 from ClojureCivitas/column-combos

Column combos

Author: timothypratley

.github/workflows/render-and-publish.yml

@@ -38,8 +38,9 @@ jobs:
           fi
           echo "Downloading Pages artifact from run $latest_run (artifact $artifact_id)."
           gh api "/repos/$REPO/actions/artifacts/$artifact_id/zip" > /tmp/pages.zip
-          unzip -q /tmp/pages.zip -d site/_site
-          echo "Contents of site/_site after artifact unzip:"
+          unzip -q /tmp/pages.zip -d /tmp/artifact_unzip
+          tar -xf /tmp/artifact_unzip/artifact.tar -C site/_site
+          echo "Contents of site/_site after artifact extraction:"
           ls -la site/_site | head -50
 
       - name: Set up Python
@@ -74,10 +75,21 @@ jobs:
       - name: Detect changed Clojure sources
         if: github.event_name == 'push'
         id: changed_clj
+        env:
+          GH_TOKEN: ${{ github.token }}
+          REPO: ${{ github.repository }}
         run: |
           set -euo pipefail
           git fetch origin main:refs/remotes/origin/main
-          changed=$(git diff --name-only --diff-filter=ACMR origin/main...HEAD -- 'src/**/*.clj' | tr '\n' ' ')
+          # Get the commit of the previous successful run (where the artifact came from)
+          latest_run=$(gh api "/repos/$REPO/actions/workflows/render-and-publish.yml/runs?branch=main&status=success&per_page=1" --jq '.workflow_runs[0].head_commit' || true)
+          if [ -z "${latest_run:-}" ] || [ "${latest_run}" = "null" ]; then
+            echo "No previous commit found; doing full rebuild."
+            echo "files=" >> "$GITHUB_OUTPUT"
+            exit 0
+          fi
+          echo "Comparing against previous artifact commit: $latest_run"
+          changed=$(git diff --name-only --diff-filter=ACMR "$latest_run" HEAD -- 'src/**/*.clj' | tr '\n' ' ')
           if [ -z "$changed" ]; then
             echo "No changed Clojure sources detected."
             echo "files=" >> "$GITHUB_OUTPUT"

src/data_visualization/aog/column_combinations.clj

@@ -6,8 +6,8 @@
                   :date "2026-01-011"
                   :description "Can we plot interesting charts for all columns of a dataset?"
                   :category :data-visualization
-                  :tags [:datavis]
-                  :keywords [:datavis]}}}
+                  :tags [:datavis :clay]
+                  :keywords [:datavis :data :summaries]}}}
 (ns data-visualization.aog.column-combinations
   (:require
    [clojure.string :as str]