tinty 0.31.0

Change the theme of your terminal, text editor and anything else with one command!
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#!/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)"

  if [[ "$old_version" == "$new_version" ]]; then
    echo "Version has not been bumped correctly (level: $level)"
    echo "Old version: $old_version"
    echo "New version: $new_version"
    exit 1
  fi

  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)
  local cargo_toml="./Cargo.toml"

  # Split version into major, minor, patch
  IFS='.' read -r major minor patch <<< "$version"
  echo "Current version: $version (major: $major, minor: $minor, patch: $patch) will recieve a $level increment"

  # 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=$(TZ=UTC 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 "$@"