Justfile

towncrier_cmd := "pipx run towncrier==24.8.0"

_default:
    @{{just_executable()}} --choose

# Add a new changelog entry using towncrier
add-changelog:
    {{towncrier_cmd}} create --edit
    git add changelog.d

# Create a new release
make-new-release:
    #!/usr/bin/env bash
    set -euo pipefail

    get_next_version_number() {
        DATEPART=$(date +%y.%-m)
        ITERATION=0

        while true; do
            VERSION_STRING="${DATEPART}.${ITERATION}"
            if git rev-list "v$VERSION_STRING" > /dev/null 2>&1; then
                ((ITERATION++))
            else
                echo "$VERSION_STRING"
                return
            fi
        done
    }

    git add .
    if ! git diff-index --quiet HEAD; then
        printf "Working directory is not clean. Please commit or stash your changes.\n"
        exit 1
    fi

    VERSION=$(get_next_version_number)
    COMMITMSG=$(mktemp --tmpdir commitmsg.XXXXXXXXXX)
    trap 'rm "$COMMITMSG"' EXIT
    set -x

    cargo set-version "${VERSION}"

    # Construct a git commit message.
    # This must be done before the next step so we can leverage the --draft
    # flag here to get a list of changes being introduced by this release.
    printf "Release v${VERSION}\n\n" > "$COMMITMSG"
    {{towncrier_cmd}} build --draft --version "${VERSION}" >> "$COMMITMSG"

    # Generate changelog and docs
    {{towncrier_cmd}} build --version "${VERSION}"
    docs/generate.sh

    # Stage all the changes we've prepared
    git add .
    # There are likely trailing whitespace changes in the changelog, but a single
    # run of pre-commit will fix these automatically.
    pre-commit run || git add .

    git commit --file "$COMMITMSG"
    git tag "v${VERSION}"

    set +x
    printf "\n\nSuccessfully created release %s\n" "v${VERSION}"
    printf "\nYou'll probably want to continue with:\n"
    printf "\tgit push origin main %s\n" "v${VERSION}"