automate releases

.changeset/automate_releases.md

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+---
+default: patch
+---
+
+# Automate releases

.github/workflows/prepare-release.yml

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+on:
+  push:
+    branches: [master]
+
+permissions:
+  contents: write
+  pull-requests: write
+
+name: Create Release PR
+jobs:
+  prepare-release:
+    if: "!contains(github.event.head_commit.message, 'chore: prepare release')" # Skip merges from releases
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/[email protected]
+        with:
+          fetch-depth: 0
+      - name: Configure Git
+        run: |
+          git config --global user.name github-actions[bot]
+          git config --global user.email 41898282+github-actions[bot]@users.noreply.github.com
+      - uses: knope-dev/action@407e9ef7c272d2dd53a4e71e39a7839e29933c48
+      - run: knope prepare-release --verbose
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        continue-on-error: true

.github/workflows/release.yml

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+on:
+  pull_request:
+    types:
+      - closed
+    branches:
+      - master
+
+permissions:
+  contents: write
+
+name: Create Release PR
+jobs:
+  prepare-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/[email protected]
+        with:
+          fetch-depth: 0
+      - name: Configure Git
+        run: |
+          git config --global user.name github-actions[bot]
+          git config --global user.email 41898282+github-actions[bot]@users.noreply.github.com
+      - uses: knope-dev/action@407e9ef7c272d2dd53a4e71e39a7839e29933c48
+      - run: knope release --verbose
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        continue-on-error: true

knope.toml

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+[package]
+changelog = "CHANGELOG.md"
+versioned_files = ["go.mod"]
+ignore_go_major_versioning = true
+
+[[workflows]]
+name = "document-change"
+
+[[workflows.steps]]
+type = "CreateChangeFile"
+
+[[workflows]]
+name = "prepare-release"
+
+[[workflows.steps]]
+type = "Command"
+command = "git switch -c release"
+
+[[workflows.steps]]
+type = "PrepareRelease"
+
+[[workflows.steps]]
+type = "Command"
+command = "git commit -m \"chore: prepare release $version\""
+variables = { "$version" = "Version" }
+
+[[workflows.steps]]
+type = "Command"
+command = "git push --force --set-upstream origin release"
+
+[workflows.steps.variables]
+"$version" = "Version"
+
+[[workflows.steps]]
+type = "CreatePullRequest"
+base = "master"
+
+[workflows.steps.title]
+template = "chore: prepare release $version"
+variables = { "$version" = "Version" }
+
+[workflows.steps.body]
+template = "This PR was created automatically. Merging it will create a new release for $version\n\n$changelog"
+variables = { "$changelog" = "ChangelogEntry", "$version" = "Version" }
+
+[[workflows]]
+name = "release"
+
+[[workflows.steps]]
+type = "Release"
+
+[github]
+owner = "SiaFoundation"
+repo = "core"