fix(flatpak): add metainfo releases on prepare-release and pin Flathub sources to the tag

.github/workflows/tauri-build.yml

@@ -1232,9 +1232,9 @@ jobs:
             --jq '.assets[] | select(.name | test("-linux-(x86_64|aarch64)\\.tar\\.gz$"))
                   | "\(.name) \(.digest)"' > assets.txt
 
-          # The manifest pins these two by content, read from dev.
+          # The manifest pins these two by content, read from the release tag.
           for name in moe.sable.client.metainfo.xml moe.sable.client.desktop; do
-            curl -fsSL "https://raw.githubusercontent.com/SableClient/Sable/dev/packaging/flatpak/$name" \
+            curl -fsSL "https://raw.githubusercontent.com/SableClient/Sable/${TAG}/packaging/flatpak/$name" \
               | sha256sum | awk -v n="$name" '{print n, "sha256:" $1}' >> assets.txt
           done
 
@@ -1261,9 +1261,10 @@ jobs:
                   sys.exit(f"expected one {arch} source, found {count}")
 
           for name in ("moe.sable.client.metainfo.xml", "moe.sable.client.desktop"):
+              url = f"https://raw.githubusercontent.com/SableClient/Sable/v{version}/packaging/flatpak/{name}"
               text, count = re.subn(
-                  rf"(url: \S*/packaging/flatpak/{re.escape(name)}\n\s+)sha256: \w+",
-                  lambda m: f"{m.group(1)}sha256: {sha[name]}",
+                  rf"url: \S*/packaging/flatpak/{re.escape(name)}\n(\s+)sha256: \w+",
+                  lambda m: f"url: {url}\n{m.group(1)}sha256: {sha[name]}",
                   text,
               )
               if count != 1:

knope.toml

@@ -43,6 +43,11 @@ type = "PrepareRelease"
 type = "Command"
 command = "node scripts/fastlane-changelog.js $version && git add fastlane/metadata/android/en-US/changelogs"
 
+# Flathub reads the metainfo from the tagged commit for the same reason.
+[[workflows.steps]]
+type = "Command"
+command = "node scripts/flatpak-metainfo-release.js $version && git add packaging/flatpak/moe.sable.client.metainfo.xml"
+
 [[workflows.steps]]
 type = "Command"
 command = "git commit -m \"chore: prepare release $version\""

packaging/flatpak/moe.sable.client.metainfo.xml

@@ -56,6 +56,12 @@
   </screenshots>
 
   <releases>
+    <release version="1.22.6" date="2026-09-20">
+      <url type="details">https://github.com/SableClient/Sable/releases/tag/v1.22.6</url>
+    </release>
+    <release version="1.22.5" date="2026-09-20">
+      <url type="details">https://github.com/SableClient/Sable/releases/tag/v1.22.5</url>
+    </release>
     <release version="1.22.4" date="2026-09-18">
       <url type="details">https://github.com/SableClient/Sable/releases/tag/v1.22.4</url>
     </release>

scripts/flatpak-metainfo-release.js

@@ -0,0 +1,41 @@
+#!/usr/bin/env node
+//MISE hide=true
+//MISE description="Add the current version to the Flatpak metainfo releases"
+/* oxlint-disable no-console */
+
+import { readFileSync, writeFileSync } from 'node:fs';
+import process from 'node:process';
+
+const version = process.argv[2];
+if (!version || !/^\d+\.\d+\.\d+/.test(version)) {
+  console.error(
+    `Usage: node scripts/flatpak-metainfo-release.js <version>  (got: ${version ?? '<none>'})`
+  );
+  process.exit(1);
+}
+
+const changelog = readFileSync('CHANGELOG.md', 'utf8');
+const heading = `\n## ${version} (`;
+const start = changelog.indexOf(heading);
+const date =
+  start === -1
+    ? undefined
+    : changelog.slice(start + heading.length).match(/^(\d{4}-\d{2}-\d{2})\)/)?.[1];
+if (!date) {
+  console.error(`No "## ${version} (YYYY-MM-DD)" section in CHANGELOG.md`);
+  process.exit(1);
+}
+
+const path = 'packaging/flatpak/moe.sable.client.metainfo.xml';
+const metainfo = readFileSync(path, 'utf8');
+if (metainfo.includes(`<release version="${version}"`)) {
+  console.log(`${path} already lists ${version}`);
+  process.exit(0);
+}
+
+const entry = `    <release version="${version}" date="${date}">
+      <url type="details">https://github.com/SableClient/Sable/releases/tag/v${version}</url>
+    </release>
+`;
+writeFileSync(path, metainfo.replace('  <releases>\n', `  <releases>\n${entry}`));
+console.log(`Added ${version} to ${path}`);