nightly build

.github/actions/build-extension/action.yml

@@ -11,7 +11,7 @@ inputs:
     required: false
     default: stable
   build_label:
-    description: Optional build label for nightly display (e.g. run number).
+    description: Optional build label for nightly display (e.g. UTC build date).
     required: false
     default: ""
   release_repo:
@@ -59,9 +59,17 @@ runs:
     - name: Package zips
       id: zip
       shell: bash
+      env:
+        UPDATE_CHANNEL: ${{ inputs.update_channel }}
+        BUILD_LABEL: ${{ inputs.build_label }}
       run: |
         VERSION="${{ steps.version.outputs.version }}"
-        (cd dist/chrome && zip -r "../betterseqtaplus-${VERSION}-chrome.zip" .)
+        if [ "$UPDATE_CHANNEL" = "nightly" ] && [ -n "$BUILD_LABEL" ]; then
-        (cd dist/firefox && zip -r "../betterseqtaplus-${VERSION}-firefox.zip" .)
+          BASE="betterseqtaplus-nightly-${BUILD_LABEL}"
-        echo "chrome_zip=dist/betterseqtaplus-${VERSION}-chrome.zip" >> "$GITHUB_OUTPUT"
+        else
-        echo "firefox_zip=dist/betterseqtaplus-${VERSION}-firefox.zip" >> "$GITHUB_OUTPUT"
+          BASE="betterseqtaplus-${VERSION}"
+        fi
+        (cd dist/chrome && zip -r "../${BASE}-chrome.zip" .)
+        (cd dist/firefox && zip -r "../${BASE}-firefox.zip" .)
+        echo "chrome_zip=dist/${BASE}-chrome.zip" >> "$GITHUB_OUTPUT"
+        echo "firefox_zip=dist/${BASE}-firefox.zip" >> "$GITHUB_OUTPUT"

.github/workflows/nightly.yml

@@ -20,22 +20,29 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Set build date
+        id: build_date
+        run: echo "date=$(date -u +'%Y-%m-%d')" >> "$GITHUB_OUTPUT"
+
       - name: Build extension
         id: build
         uses: ./.github/actions/build-extension
         with:
           gh_release_update_check: "true"
           update_channel: nightly
-          build_label: ${{ github.run_number }}
+          build_label: ${{ steps.build_date.outputs.date }}
           release_repo: ${{ github.repository }}
 
       - name: Ensure nightly release exists
         run: |
+          TITLE="Nightly (${{ steps.build_date.outputs.date }})"
           if ! gh release view "${{ env.NIGHTLY_TAG }}" 2>/dev/null; then
             gh release create "${{ env.NIGHTLY_TAG }}" \
               --prerelease \
-              --title "Nightly" \
+              --title "$TITLE" \
               --notes-file .github/nightly-release-notes.md
+          else
+            gh release edit "${{ env.NIGHTLY_TAG }}" --title "$TITLE"
           fi
 
       - name: Upload nightly assets

docs/RELEASES.md

@@ -71,7 +71,7 @@ Release and nightly workflows pass environment variables into Vite, which bakes
 | `GH_RELEASE_UPDATE_CHECK` | `true` | `true` | `false` / unset |
 | `UPDATE_CHANNEL` | `stable` | `nightly` | `stable` (unused) |
 | `GH_RELEASE_REPO` | `BetterSEQTA/BetterSEQTA-Plus` | same | same |
-| `BUILD_LABEL` | empty | GitHub run number | empty |
+| `BUILD_LABEL` | empty | UTC build date (`YYYY-MM-DD`) | empty |
 
 When `GH_RELEASE_UPDATE_CHECK` is not `true`, the update-checker code is tree-shaken out of the bundle. PR CI builds and local `npm run build` do **not** include the update badge.
 
@@ -139,7 +139,8 @@ On first publish, edit the **title** and **release notes** on GitHub afterward.
 1. Builds from the current `main` branch with the update detector enabled (nightly channel).
 2. Uses a fixed release tag: **`nightly`** (marked as prerelease).
 3. On first run: creates the `nightly` release with the text in [`.github/nightly-release-notes.md`](../.github/nightly-release-notes.md).
-4. On every subsequent run: **replaces** the zip assets on the same release (`--clobber`). The release title and body are not rewritten.
+4. On every run: sets the release title to **`Nightly (YYYY-MM-DD)`** (UTC build date) and **replaces** the zip assets on the same release (`--clobber`). The release body is not rewritten.
+5. Packages zips as `betterseqtaplus-nightly-{date}-chrome.zip` / `-firefox.zip`.
 
 The nightly release body warns that builds are experimental and must not be uploaded to extension stores.
 
@@ -206,7 +207,7 @@ Implementation: [`src/utils/githubReleaseUpdate.ts`](../src/utils/githubReleaseU
 1. Fetches the `nightly` release.
 2. Compares its `published_at` timestamp to `lastSeenNightlyPublishedAt` in extension storage.
 3. On first install, records the current publish time without showing a badge.
-4. Shows **“Update available — nightly #123”** (run number) when a newer nightly has been published.
+4. Shows **“Update available — nightly (YYYY-MM-DD)”** when a newer nightly has been published.
 
 Checks are throttled to once every **6 hours** per browser profile (`localStorage` key `bsplus_lastGhReleaseCheck`). Recent results are cached in memory for the session.
 

src/interface/pages/settings.svelte

@@ -22,6 +22,7 @@
   import {
     checkGithubReleaseUpdate,
     dismissNightlyUpdate,
+    getInstalledGhReleaseChannelLabel,
     isGhReleaseUpdateCheckEnabled,
     type GhReleaseUpdateInfo,
   } from "@/utils/githubReleaseUpdate";
@@ -33,6 +34,7 @@
   let disclaimerTitle = $state("Confirm");
   let disclaimerMessage = $state("");
   const ghReleaseUpdateEnabled = isGhReleaseUpdateCheckEnabled();
+  const ghReleaseChannelLabel = getInstalledGhReleaseChannelLabel();
   let ghReleaseUpdate = $state<GhReleaseUpdateInfo | null>(null);
 
   const openGhRelease = () => {
@@ -172,7 +174,11 @@
                 </button>
               {/if}
               <p class="text-[9px] leading-tight text-right text-zinc-500 dark:text-zinc-400">
+                {#if ghReleaseChannelLabel}
+                  {ghReleaseChannelLabel} — do not upload to extension stores.
+                {:else}
                   GitHub release build — do not upload to extension stores.
+                {/if}
               </p>
             </div>
           {/if}

src/utils/githubReleaseUpdate.ts

@@ -35,6 +35,14 @@ function getBuildLabel(): string {
   return typeof __BUILD_LABEL__ !== "undefined" ? __BUILD_LABEL__ : "";
 }
 
+function formatNightlyLabel(buildDate: string): string {
+  return buildDate ? `nightly (${buildDate})` : "nightly";
+}
+
+function nightlyDateFromPublishedAt(publishedAt: string): string {
+  return publishedAt.slice(0, 10);
+}
+
 function getCurrentVersion(): string {
   return browser.runtime.getManifest().version;
 }
@@ -158,8 +166,7 @@ async function checkNightlyUpdate(): Promise<GhReleaseUpdateInfo> {
   }
 
   const lastSeen = settingsState.lastSeenNightlyPublishedAt;
-  const buildLabel = getBuildLabel();
+  const label = formatNightlyLabel(nightlyDateFromPublishedAt(release.published_at));
-  const label = buildLabel ? `nightly #${buildLabel}` : "nightly";
 
   if (!lastSeen) {
     settingsState.lastSeenNightlyPublishedAt = release.published_at;
@@ -177,6 +184,12 @@ export function isGhReleaseUpdateCheckEnabled(): boolean {
   return isUpdateCheckEnabled();
 }
 
+/** Label for the installed GitHub release build (e.g. `nightly (2025-06-10)`). */
+export function getInstalledGhReleaseChannelLabel(): string | null {
+  if (!isUpdateCheckEnabled() || getUpdateChannel() !== "nightly") return null;
+  return formatNightlyLabel(getBuildLabel());
+}
+
 export async function checkGithubReleaseUpdate(): Promise<GhReleaseUpdateInfo> {
   const fallback = { available: false, label: "", url: releasesBaseUrl() };