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Add Mastodon syndication support via Bridgy #145

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61 changes: 61 additions & 0 deletions .github/workflows/syndicate-to-mastodon.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,61 @@
name: Syndicate to Mastodon via Bridgy

on:
push:
branches:
- main
paths:
- "src/content/posts/**"

jobs:
syndicate:
name: Send webmentions to Bridgy Publish
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 2

- name: Find added or modified posts
id: changed-posts
run: |
git diff --name-only --diff-filter=AM HEAD~1 HEAD -- src/content/posts/ \
| grep -E '\.(md|mdx)$' > changed_posts.txt || true
echo "Changed posts:"
cat changed_posts.txt

- name: Wait for Netlify deploy
run: |
echo "Waiting for site to reflect the latest deploy..."
for i in $(seq 1 30); do
STATUS=$(curl -s -o /dev/null -w "%{http_code}" https://danmatthew.co.uk/)
if [ "$STATUS" = "200" ]; then
echo "Site is live (attempt $i)"
# Extra buffer to ensure new content is deployed
sleep 30
break
fi
echo "Not ready yet (attempt $i, status $STATUS), retrying in 10s..."
sleep 10
done

- name: Send webmentions to Bridgy
run: |
if [ ! -s changed_posts.txt ]; then
echo "No changed posts to syndicate."
exit 0
fi
while IFS= read -r post_file; do
if [ -z "$post_file" ]; then continue; fi
# Strip directory prefix and extension to get the slug
filename=$(basename "$post_file")
slug="${filename%.mdx}"
slug="${slug%.md}"
post_url="https://danmatthew.co.uk/notes/${slug}/"
echo "Sending webmention for: $post_url"
HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" \
-X POST https://brid.gy/publish/webmention \
--data-urlencode "source=${post_url}" \
--data-urlencode "target=https://brid.gy/publish/mastodon")
echo "Bridgy responded with HTTP $HTTP_STATUS for $post_url"
done < changed_posts.txt
1 change: 1 addition & 0 deletions src/content.config.js
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Expand Up @@ -30,6 +30,7 @@ export const collections = {
.transform((str) => (str ? new Date(str) : undefined)),
published: z.boolean().default(true).optional(),
evergreen: z.boolean().optional(),
syndicationUrl: z.string().url().optional(),
}),
}),
articles: defineCollection({
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2 changes: 2 additions & 0 deletions src/layouts/BaseLayout.astro
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Expand Up @@ -77,6 +77,8 @@ const { title, description, modifier } = Astro.props;
<meta name="theme-color" content="hsl(0, 0%, 99%)" />
<link rel="alternate" type="application/rss+xml" title="Dan Matthew" href="/feed.xml" />
<link rel="alternate" type="application/feed+json" title="Dan Matthew" href="/feed.json" />
<link rel="webmention" href="https://webmention.io/danmatthew.co.uk/webmention" />
<link rel="pingback" href="https://webmention.io/xmlrpc" />
</head>
<body>
<Nav />
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15 changes: 12 additions & 3 deletions src/pages/notes/[...slug].astro
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Expand Up @@ -38,20 +38,29 @@ export async function getStaticPaths() {
const { entry, prevPost, nextPost } = Astro.props;

const { Content } = await render(entry);

const canonicalUrl = new URL(`/notes/${entry.id}/`, Astro.site).toString();
const { syndicationUrl } = entry.data;
---

<BaseLayout title={`${entry.data.title}`}>
<article>
<article class="h-entry">
<Hero title={entry.data.title}>
<div slot="header-extras">
<div class="meta">
<time datetime={entry.data.publishedDate.toISOString()}>
<time class="dt-published" datetime={entry.data.publishedDate.toISOString()}>
{entry.data.publishedDate.toLocaleDateString("en-GB")}
</time>
</div>
</div>
</Hero>
<section class="flow">
<data class="p-name" value={entry.data.title} hidden></data>
<a class="u-url" href={canonicalUrl} hidden></a>
{syndicationUrl
? <a class="u-syndication" href={syndicationUrl} rel="syndication">View on Mastodon</a>
: <a class="u-syndication" href="https://brid.gy/publish/mastodon" rel="syndication" hidden></a>
}
<section class="e-content flow">
<Content />
</section>
</article>
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