Post a summary of auto updates to Twist

.github/workflows/pull_content.yaml

@@ -42,5 +42,6 @@ jobs:
       - name: Commit and PR any changes
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+          TWIST_URL: ${{secrets.TWIST_URL}}
         run: |
           ./script/commit_changes "Automatic content updates"

script/commit_changes

@@ -1,5 +1,7 @@
 #!/usr/bin/env -S bash -euo pipefail
 
+DIFF_BASE='https://github.com/norm/marknormanfrancis.com/commit'
+
 message="${1:-Automated changes}"
 
 git config user.name "GitHub Actions"
@@ -11,4 +13,17 @@ if [ -n "$(git status --porcelain)" ]; then
     git add -A
     git commit --message "$message"
     git push
+
+    rev=$(git rev-parse HEAD)
+
+    # ... and send an update
+    (
+        echo "# Updated files"
+        echo ''
+        echo "[See diff on GitHub]($DIFF_BASE/$rev)"
+        echo ''
+        git show --pretty='' --name-only $rev | sed -e 's/^/* /'
+    ) \
+        | ./script/twist_post $(date +'%Y-%m-%d') $message
+
 fi

script/twist_post

@@ -0,0 +1,22 @@
+#!/usr/bin/env -S bash -euo pipefail
+#
+# Send content to a Twist channel integration.
+
+# capture stdin to a file
+content=$(mktemp)
+cat > $content
+
+title=$(mktemp)
+echo "${*:-Automated post}" > $title
+
+# send content to a Twist channel integration
+jq  --null-input \
+    --rawfile content $content \
+    --rawfile title $title \
+    '{$content,$title}' \
+    | \
+        curl \
+            -X POST \
+            -H 'Content-type: application/json' \
+            --data @- \
+            "$TWIST_URL"