wip: setup infra to set discourse customizations via API (#3)

Co-authored-by: Claude <[email protected]>

Author: mbauman

.github/scripts/sync-changes.js

@@ -0,0 +1,140 @@
+#!/usr/bin/env node
+
+const { execSync } = require('child_process');
+const { readFileSync } = require('fs');
+const https = require('https');
+
+// Configuration
+const API_KEY = process.env.API_KEY;
+const API_USER = process.env.API_USER;
+const EVENT_NAME = process.env.GITHUB_EVENT_NAME;
+const PR_BASE_SHA = process.env.PR_BASE_SHA;
+const PR_HEAD_SHA = process.env.PR_HEAD_SHA;
+
+const DEPLOY = EVENT_NAME === 'push';
+
+// Validate PR has only one commit
+function validateSingleCommit() {
+  if (DEPLOY) return; // GitHub branch protections disallow merge commits
+
+  const commitCount = execSync(`git rev-list --count ${PR_BASE_SHA}..${PR_HEAD_SHA}`, { encoding: 'utf8' }).trim();
+
+  if (parseInt(commitCount) !== 1) {
+    console.error(`❌ PR must contain exactly 1 commit, found ${commitCount}`);
+    console.error('Please squash your commits before merging');
+    process.exit(1);
+  }
+
+  console.log('✅ PR contains exactly 1 commit');
+}
+
+// Get file changes from the single commit
+function getFileChanges() {
+  const updates = {};
+
+  // Get added/modified files from HEAD commit
+  const changedFiles = execSync('git diff --name-only --diff-filter=AM HEAD~1 HEAD', { encoding: 'utf8' })
+    .trim().split('\n').filter(Boolean)
+    .filter(path => { return !path.startsWith('.') && path.includes('/'); });
+
+  for (const file of changedFiles) {
+    try {
+      updates[file] = readFileSync(file, 'utf8');
+    } catch (error) {
+      console.error(`Could not read ${file}:`, error.message);
+      process.exit(1);
+    }
+  }
+
+  // Get deleted files from HEAD commit
+  const deletedFiles = execSync('git diff --name-only --diff-filter=D HEAD~1 HEAD', { encoding: 'utf8' })
+    .trim().split('\n').filter(Boolean)
+    .filter(path => { return !path.startsWith('.') && path.includes('/'); });
+
+  for (const file of deletedFiles) {
+    updates[file] = null; // null indicates deletion
+  }
+
+  return updates;
+}
+
+// Helper function to create PUT options for a file
+function createPutOptions(file, content) {
+  const path = require('path').dirname(file);
+  const filename = require('path').basename(file, require('path').extname(file));
+  const url = `https://discourse.julialang.org/admin/customize/${path}/${filename}`;
+
+  const { URLSearchParams } = require('url');
+  const params = new URLSearchParams();
+  params.append('site_text[value]', content);
+  params.append('site_text[locale]', 'en');
+  const payload = params.toString();
+
+  const urlObj = new URL(url);
+  return {
+    url,
+    options: {
+      hostname: urlObj.hostname,
+      path: urlObj.pathname,
+      method: 'PUT',
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+        'Accept': '*/*',
+        'Api-Key': API_KEY,
+        'Api-Username': API_USER
+      }
+    },
+    payload
+  };
+}
+
+// Send updates to external API or print dry run
+function sendUpdates(updates) {
+  const fileCount = Object.keys(updates).length;
+  if (fileCount === 0) {
+    console.log('No file changes detected');
+    return;
+  }
+  console.log(`\n🔍 Sending ${fileCount} updates:`);
+  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
+
+  for (const [file, content] of Object.entries(updates)) {
+    if (content === null) {
+      console.error(`⚠️  Skipping deletion of ${file} (not supported)`);
+      process.exit(1);
+    }
+
+    const { url, options, payload } = createPutOptions(file, content);
+
+    console.log(`📝 UPDATE: ${file} → ${url}`);
+    console.log(`   PUT ${url}`);
+    console.log(`   Body: ${payload}\n`);
+    if (DEPLOY) {
+      // Actual API calls for main branch
+
+      const req = https.request(options, (res) => {
+        if (res.statusCode >= 200 && res.statusCode < 300) {
+            console.log(`✅ Updated ${file} → ${url} (HTTP ${res.statusCode})`);
+        } else {
+            console.error(`❌ Failed to update ${file}: HTTP ${res.statusCode}`);
+            process.exit(1);
+        }
+      });
+
+      req.on('error', (error) => {
+        console.error(`❌ Failed to update ${file}: ${error.message}`);
+        process.exit(1);
+      });
+
+      req.write(payload);
+      req.end();
+    }
+  }
+}
+
+// Main execution
+console.log(`🚀 Running in ${DEPLOY ? 'LIVE' : 'DRY RUN'} mode`);
+
+validateSingleCommit();
+const updates = getFileChanges();
+sendUpdates(updates);

.github/workflows/sync-changes.yml

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+name: Sync File Changes
+
+on:
+  push:
+    branches: [main]  # Actual sync on main branch only
+  pull_request:  # Dry run on all PRs
+
+jobs:
+  sync-changes:
+    runs-on: ubuntu-latest
+    environment: "GitHub Actions CI"
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0  # Fetch full history for PR validation
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '18'
+
+    - name: Run sync script
+      run: node .github/scripts/sync-changes.js
+      env:
+        API_KEY: ${{ secrets.API_KEY }}
+        API_USER: ${{ secrets.API_USER }}
+        GITHUB_EVENT_NAME: ${{ github.event_name }}
+        PR_BASE_SHA: ${{ github.event.pull_request.base.sha }}
+        PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}

site_texts/admin_js.admin.config.site_texts.header_description.txt

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+Customize any text used in Discourse to match your community’s voice and tone. BUT NOT HERE! Do this through the automated mechanism at https://github.com/JuliaDiscourse/SiteTexts.