#!/usr/bin/env bash
# Writes the CLI reference in README.md from each binary's own --help.
#
# Every binary a person runs has a `cli_reference` test that renders its
# section (see crates/didbot-cli/src/reference.rs). With DIDBOT_BLESS_README
# set, a stale section is written; without it, the test fails. `--check` is
# the second, which is what the prek hook runs.
set -euo pipefail

root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"

run() {
    cargo test --quiet --no-fail-fast --manifest-path "$root/Cargo.toml" --workspace --bins cli_reference
}

if [ "${1-}" = "--check" ]; then
    if ! run; then
        echo "gen-cli-reference: README.md's CLI reference is behind the binaries." >&2
        echo "  run scripts/gen-cli-reference.sh and stage README.md" >&2
        exit 1
    fi
    exit 0
fi

DIDBOT_BLESS_README=1 run
echo "gen-cli-reference: wrote $root/README.md"