Create a release-commit action

This should be created before the "release" github action is run

.github/workflows/release-commit.yml

@@ -0,0 +1,59 @@
+# Create a new commit
+# This action bumps the Cargo.toml version and updates related files.
+# Updates will affect the following files:
+# - ./Cargo.toml
+# - ./Cargo.lock
+# - ./THIRD-PARTY-LICENSES.md
+# - ./CHANGELOG.md
+name: "Create a release-commit"
+on:
+  workflow_dispatch:
+    inputs:
+      bump_level:
+        description: "What type of release is this?"
+        required: true
+        type: choice
+        options:
+          - minor
+          - patch
+permissions:
+  contents: write
+
+jobs:
+  setup-environment:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Add git tag to release
+        run: ./scripts/create_release_changes ${{ github.event.inputs.text_input }}
+
+      - name: Get new cargo version
+        id: cargo_version
+        run: |
+          VERSION=$(cargo read-manifest | jq -r ".version")
+          echo "value=v$VERSION" >> $GITHUB_OUTPUT
+
+      - name: Ensure this release doesn't already exist
+        run: |
+          if git log --grep="Release ${{ steps.cargo_version.outputs.value }}" --quiet; then
+            echo "Release commit already exists: \"Release ${{ steps.cargo_version.outputs.value}}\""
+            exit 1
+          fi
+
+          if git show-ref --tags --quiet --verify "refs/tags/v${{ steps.cargo_version.outputs.value }}"; then
+            echo "Git tag v${{ steps.cargo_version.outputs.value }} already exists."
+            exit 1
+          fi
+
+      - name: Commit the changes
+        uses: stefanzweifel/git-auto-commit-action@ac8823709a85c7ce090849ac3e5fe24d006f6e18 # v5.0.1
+        with:
+          commit_message: "Release ${{ steps.cargo_version.outputs.value }}"
+          branch: ${{ github.head_ref }}
+          commit_user_name: tinted-theming-bot
+          commit_user_email: tintedtheming@proton.me
+          commit_author: tinted-theming-bot <tintedtheming@proton.me>

scripts/create_release_changes

@@ -0,0 +1,119 @@
+#!/usr/bin/env bash
+
+main() {
+  local level="$1" # Supported: [major|minor|patch]
+  local old_version=$(get_cargo_version)
+
+  # Ensure things are as expected before doing anything
+  setup
+
+  bump_cargo_version "$level"
+
+  local new_version="$(get_cargo_version)"
+  version_changelog "$old_version" "$new_version"
+
+  update_third_party_licenses
+  check_for_unauthorized_changes
+}
+
+setup() {
+  # Ensure there are no changes in the repository
+  if [[ -n $(git status --porcelain) ]]; then
+    echo "Uncommitted changes or untracked files already exist in the repository."
+    exit 1
+  fi
+}
+
+# Extract the version from Cargo.toml
+get_cargo_version() {
+  local cargo_toml="./Cargo.toml"
+  local version=$(grep -m 1 '^version =' "$cargo_toml" | sed -E 's/version = "(.*)"/\1/')
+
+   if [[ -z "$version" ]]; then
+     echo "Version not found in Cargo.toml"
+     exit 1
+   fi
+
+   echo "$version"
+}
+
+# Bump version in Cargo.toml
+bump_cargo_version() {
+  local level="$1"
+  local version=$(get_cargo_version "$level")
+  local cargo_toml="./Cargo.toml"
+
+  # Split version into major, minor, patch
+  IFS='.' read -r major minor patch <<< "$version"
+  echo "Current version: $version"
+
+  # Increment based on major, minor or patch
+  if [[ "$level" == "major" ]]; then
+    major=$((major + 1))
+    minor=0
+    patch=0
+  elif [[ "$level" == "minor" ]]; then
+    minor=$((minor + 1))
+    patch=0
+  elif [[ "$level" == "patch" ]]; then
+    patch=$((patch + 1))
+  else
+    echo "Usage: $0 [major|minor|patch]"
+    exit 1
+  fi
+
+  local updated_version="$major.$minor.$patch"
+  sed -i -E "s/version = \"$version\"/version = \"$updated_version\"/" "$cargo_toml"
+
+  echo "Updated Cargo.toml to version $updated_version"
+}
+
+# Add version and date to "Unreleased" section in changelog
+version_changelog() {
+  local old_version="$1"
+  local new_version="$2"
+  local changelog_file="./CHANGELOG.md"
+
+  if [[ ! $(grep '^## Unreleased' "$changelog_file") ]]; then
+    echo "Warning: CHANGELOG.md does not have an 'Unreleased' section"
+    exit 1
+  fi
+
+  local current_date=$(date +"%Y-%m-%d")
+
+  sed -i -E "s/## Unreleased/## \[$new_version\] - $current_date/" "$changelog_file"
+  sed -i "/^\[$old_version\]: /i \[$new_version\]: https://github.com/tinted-theming/tinty/compare/v$old_version...v$new_version" "$changelog_file"
+
+  echo "Updated CHANGELOG.md with $new_version"
+}
+
+# Update third-party licenses with `cargo about`
+update_third_party_licenses() {
+  local license_file="./LICENSES-THIRD-PARTY.md"
+
+  cargo deny check
+  cargo about generate about.hbs > "$license_file"
+
+  echo "Updated third-party licenses"
+}
+
+# Exit if disallowed files contain changes
+check_for_unauthorized_changes() {
+  local allowed_files=("Cargo.toml" "Cargo.lock" "LICENSES-THIRD-PARTY.md" "CHANGELOG.md")
+  local changed_files=$(git status --porcelain | awk '{print $2}')
+  local unauthorized_changes=0
+
+  for file in $changed_files; do
+    if [[ ! " ${allowed_files[*]} " =~ " ${file} " ]]; then
+      echo "Unauthorized change detected: $file"
+      unauthorized_changes=1
+    fi
+  done
+
+  if [[ $unauthorized_changes -eq 1 ]]; then
+    echo "Error: Only allow-listed files may change: ${allowed_files[*]}."
+    exit 1
+  fi
+}
+
+main "$@"