#!/bin/bash
#
# Update Cargo.lock.minimal.
#
# Run manually as needed.  The Cargo.lock.minimal is used by
# the minimal-versions test in .gitlab-ci.yml.
#
# Any arguments are passed through to "cargo update".

set -euo pipefail

# CARGO=nailing-cargo maint/update-minimal-versions

# The -Z minimal-versions feature is only available in nightly
# But we need an *old* nightly because we want to generate a Cargo.lock
# that works with Rust 1.31.  This one is roughy contemporaneous.
: ${MINIMAL_NIGHTLY_RUST_VERSION=+nightly-2018-12-19}

trap '
	rc=$?
	mv Cargo.lock.example.aside Cargo.lock.example
	exit $rc
' 0

mv Cargo.lock.example Cargo.lock.example.aside # for nailing-cargo
cp Cargo.lock.minimal Cargo.lock

${CARGO-cargo} $MINIMAL_NIGHTLY_RUST_VERSION update -Z minimal-versions "$@"

mv Cargo.lock Cargo.lock.minimal