ci: split publish steps from release (#366)

.github/workflows/publish.yml

@@ -0,0 +1,52 @@
+name: Publish
+
+on:
+  push:
+    tags:
+      - "v?[0-9]+.[0-9]+.[0-9]+*"
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "The existing tag to publish"
+        type: "string"
+        required: true
+
+jobs:
+  flakehub:
+    name: Publish to FlakeHub
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.tag }}
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@V27
+
+      - name: Push to FlakeHub
+        uses: DeterminateSystems/flakehub-push@v5
+        with:
+          tag: ${{ inputs.tag }}
+          visibility: "public"
+
+  flakestry:
+    name: Publish to Flakestry
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.tag }}
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@V27
+
+      - name: Push to Flakestry
+        uses: flakestry/flakestry-publish@main
+        with:
+          version: ${{ inputs.tag }}

.github/workflows/release.yml

@@ -24,36 +24,3 @@ jobs:
         with:
           release-type: simple
           package-name: catppuccin/nix
-
-  publish:
-    name: Publish to Flake registries
-    if: ${{ needs.release-please.outputs.release_created }}
-    needs: release-please
-
-    runs-on: ubuntu-latest
-
-    env:
-      TAG_NAME: ${{ needs.release-please.outputs.tag_name }}
-
-    permissions:
-      id-token: write
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ env.TAG_NAME }}
-
-      - name: Install Nix
-        uses: cachix/install-nix-action@V27
-
-      - name: Publish on Flakestry
-        uses: flakestry/flakestry-publish@main
-        with:
-          version: ${{ env.TAG_NAME }}
-
-      - name: Push to FlakeHub
-        uses: DeterminateSystems/flakehub-push@v5
-        with:
-          tag: ${{ env.TAG_NAME }}
-          visibility: "public"