From 194afad9fc213078712d9e9abe29ad81240a6f4a Mon Sep 17 00:00:00 2001
From: Rob Ede <robjtede@icloud.com>
Date: Tue, 21 Jul 2026 14:17:49 +0100
Subject: [PATCH] add release-plz automation

---
 .github/workflows/release.yml | 62 +++++++++++++++++++++++++++++++++++
 .release-plz.toml             |  9 +++++
 flake.lock                    | 26 ++++++++++++++-
 flake.nix                     |  6 ++++
 4 files changed, 102 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/release.yml
 create mode 100644 .release-plz.toml

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..0d52d5b
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,62 @@
+name: Release
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: write
+  pull-requests: write
+  id-token: write
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          fetch-depth: 0
+
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@166cdcfd11aee3cb47222f9ddb555ce30ddb9659 # v1.17.0
+
+      - name: Authenticate with crates.io
+        uses: rust-lang/crates-io-auth-action@c6f97d42243bad5fab37ca0427f495c86d5b1a18 # v1.0.5
+        id: auth
+
+      - name: release-plz
+        uses: MarcoIeni/release-plz-action@e8792575c7f2366cf6ff3ccc33ead9ace5b691c7 # v0.5.130
+        id: release-plz
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}
+
+      - name: Install Determinate Nix
+        if: ${{ steps.release-plz.outputs.prs_created == 'true' || steps.release-plz.outputs.releases_created == 'true' }}
+        uses: DeterminateSystems/determinate-nix-action@2a0be2498974c2b6327e19780488744384637d88 # v3.21.7
+        with:
+          extra-conf: lazy-trees = true
+
+      - name: Set up FlakeHub Cache
+        if: ${{ steps.release-plz.outputs.prs_created == 'true' || steps.release-plz.outputs.releases_created == 'true' }}
+        uses: DeterminateSystems/flakehub-cache-action@3be0931021788e3bb4df65f59a555039c2fa2d46 # v3.21.7
+
+      - name: Enter Nix devshell
+        if: ${{ steps.release-plz.outputs.prs_created == 'true' || steps.release-plz.outputs.releases_created == 'true' }}
+        uses: nicknovitski/nix-develop@9be7cfb4b10451d3390a75dc18ad0465bed4932a # v1.2.1
+
+      - name: Bump changelog versions
+        if: ${{ steps.release-plz.outputs.prs_created == 'true' }}
+        env:
+          GH_TOKEN: ${{ github.token }}
+          RELEASE_PLZ_PR_JSON: ${{ steps.release-plz.outputs.pr }}
+        run: x52-bump-changelogs
+
+      - name: Update release notes
+        if: ${{ steps.release-plz.outputs.releases_created == 'true' }}
+        env:
+          GH_TOKEN: ${{ github.token }}
+          RELEASE_PLZ_RELEASES_JSON: ${{ steps.release-plz.outputs.releases }}
+        run: x52-update-release-notes
diff --git a/.release-plz.toml b/.release-plz.toml
new file mode 100644
index 0000000..e194143
--- /dev/null
+++ b/.release-plz.toml
@@ -0,0 +1,9 @@
+[workspace]
+changelog_update = false
+dependencies_update = false
+pr_draft = true
+pr_labels = ["release"]
+publish_all_features = true
+git_tag_name = "{{ package }}-v{{ version }}"
+git_release_draft = true
+git_release_name = "{{ package }}: v{{ version }}"
diff --git a/flake.lock b/flake.lock
index abfadf4..ad8c19a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -52,7 +52,31 @@
     "root": {
       "inputs": {
         "flake-parts": "flake-parts",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "x52": "x52"
+      }
+    },
+    "x52": {
+      "inputs": {
+        "flake-parts": [
+          "flake-parts"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1784633661,
+        "narHash": "sha256-eOrF1y0svdniEnjIuuvkzOv6z/ltBepYjApINcDY1Xg=",
+        "owner": "x52dev",
+        "repo": "nix",
+        "rev": "5e898b3d4b5bb9801964488d6ab4a6ed445c1809",
+        "type": "github"
+      },
+      "original": {
+        "owner": "x52dev",
+        "repo": "nix",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 6a7c689..9b1ec32 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,6 +2,11 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
     flake-parts.url = "github:hercules-ci/flake-parts";
+    x52 = {
+      url = "github:x52dev/nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-parts.follows = "flake-parts";
+    };
   };
 
   outputs = inputs@{ flake-parts, ... }:
@@ -13,6 +18,7 @@
         devShells.default = pkgs.mkShell {
           packages = [
             config.formatter
+            inputs'.x52.packages.x52-release-tools
             pkgs.cargo-nextest
             pkgs.cargo-shear
             pkgs.fd