feat: show all commits in Discord deploy notification

List every commit between the previous and new production tip instead
of just the HEAD commit. Capped at 15 entries with overflow count.
Uses jq for safe JSON escaping of commit messages.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: julianknutsen

.github/workflows/deploy-notify.yml

@@ -11,28 +11,55 @@ jobs:
     steps:
       - uses: actions/checkout@v6
         with:
-          fetch-depth: 2
+          fetch-depth: 0
 
-      - name: Get commit info
+      - name: Build commit summary
         id: info
         run: |
-          echo "short_sha=$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"
-          echo "message=$(git log -1 --pretty=%s)" >> "$GITHUB_OUTPUT"
-          echo "author=$(git log -1 --pretty=%an)" >> "$GITHUB_OUTPUT"
+          # Compare against the previous production tip (before this push)
+          BEFORE="${{ github.event.before }}"
+          HEAD="${{ github.sha }}"
+          SHORT_HEAD="$(git rev-parse --short HEAD)"
+
+          if [ "$BEFORE" = "0000000000000000000000000000000000000000" ]; then
+            # First push to production — just show the HEAD commit
+            LOG="$(git log -1 --pretty='• \`%h\` %s (%an)')"
+            COUNT=1
+          else
+            COUNT="$(git rev-list --count "${BEFORE}..${HEAD}")"
+            LOG="$(git log --pretty='• \`%h\` %s (%an)' "${BEFORE}..${HEAD}" | head -15)"
+            if [ "$COUNT" -gt 15 ]; then
+              LOG="${LOG}
+…and $((COUNT - 15)) more"
+            fi
+          fi
+
+          # Write multiline output
+          {
+            echo "log<<DELIM"
+            echo "$LOG"
+            echo "DELIM"
+          } >> "$GITHUB_OUTPUT"
+          echo "count=$COUNT" >> "$GITHUB_OUTPUT"
+          echo "short_sha=$SHORT_HEAD" >> "$GITHUB_OUTPUT"
 
       - name: Notify Discord
         env:
           DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK_URL }}
         run: |
-          curl -fsSL -H "Content-Type: application/json" -d "{
-            \"embeds\": [{
-              \"title\": \"Wasteland deployed to production\",
-              \"description\": \"\`${{ steps.info.outputs.short_sha }}\` ${{ steps.info.outputs.message }}\",
-              \"color\": 5025616,
-              \"fields\": [
-                {\"name\": \"Author\", \"value\": \"${{ steps.info.outputs.author }}\", \"inline\": true},
-                {\"name\": \"Branch\", \"value\": \"production\", \"inline\": true}
+          jq -n \
+            --arg title "Wasteland deployed to production" \
+            --arg desc "${{ steps.info.outputs.log }}" \
+            --arg count "${{ steps.info.outputs.count }} commit(s)" \
+            --arg sha "${{ steps.info.outputs.short_sha }}" \
+            --arg url "https://github.com/${{ github.repository }}/compare/${{ github.event.before }}...${{ github.sha }}" \
+            '{embeds: [{
+              title: $title,
+              description: $desc,
+              color: 5025616,
+              fields: [
+                {name: "Commits", value: $count, inline: true},
+                {name: "Head", value: ("`" + $sha + "`"), inline: true}
               ],
-              \"url\": \"https://github.com/${{ github.repository }}/commit/${{ github.sha }}\"
-            }]
-          }" "$DISCORD_WEBHOOK"
+              url: $url
+            }]}' | curl -fsSL -H "Content-Type: application/json" -d @- "$DISCORD_WEBHOOK"