verify release has changelog content before releasing

Author: Adam McKee

.github/workflows/changelog_check.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -e
+
+FILE=$1
+
+found=$(awk -v p="## Unreleased" -F":" '$0 ~ p{f=1;next} /## /{f=0} f' "$FILE" | grep -c .)
+
+if ((found == 0)); then
+  exit 1
+fi

.github/workflows/release.yml

@@ -20,8 +20,14 @@ jobs:
   verified:
     uses: ./.github/workflows/verify.yml
 
+  check-changelog:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: ./.github/workflows/changelog_check.sh CHANGELOG.md
+
   publish-cargo-crate:
-    needs: verified
+    needs: [ verified, check-changelog ]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased - ReleaseDate
+## Unreleased
 
 ## 0.0.9 - 2024-04-15
 

release.toml

@@ -5,7 +5,7 @@ tag-name = "v{{version}}"
 pre-release-commit-message = "cargo release"
 
 pre-release-replacements = [
-    { file = "CHANGELOG.md", search = "## Unreleased - ReleaseDate", replace = "## Unreleased - ReleaseDate\n\n## {{version}} - {{date}}", exactly = 1 },
+    { file = "CHANGELOG.md", search = "## Unreleased", replace = "## Unreleased\n\n## {{version}} - {{date}}", exactly = 1 },
     { file = "CHANGELOG.md", search = "\\.\\.\\.HEAD", replace = "...{{tag_name}}", exactly = 1 },
     { file = "CHANGELOG.md", search = "\\[Unreleased\\]", replace = "[Unreleased]: https://github.com/eighty4/cquill/compare/{{tag_name}}...HEAD\n[{{version}}]", exactly = 1 },
 ]