#!/bin/sh

# We try to support some older versions of rustc. However, the support is
# tiered a bit. Our dev-dependencies do *not* guarantee that old minimal
# version. So we don't do tests on the older ones. Also, the
# signal-hook-registry supports older rustc than we signal-hook.

set -ex

rm -f Cargo.lock

if [ "$RUST_VERSION" = 1.36.0 ] || [ "$RUST_VERSION" = 1.40.0 ] || [ "$RUST_VERSION" = 1.66.0 ] ; then
	sed -i -e 's/libc = "^0.2"/libc = "=0.2.156"/' Cargo.toml
	sed -i -e 's/cc = { version = "^1"/cc = { version = "=1.0.79"/' Cargo.toml
	sed -i -e 's/errno = ">=0.2, <0.4"/errno = "0.2"/' signal-hook-registry/Cargo.toml
fi

cargo build --all --exclude signal-hook-async-std --exclude signal-hook-tokio

if [ "$RUST_VERSION" = 1.36.0 ] ; then
	exit
fi

if [ "$RUST_VERSION" = 1.66.0 ] ; then
	mv Cargo.lock.old Cargo.lock
fi

if [ "$OS" = "windows-latest" ] || [ "$RUST_VERSION" = 1.40.0 ]; then
	# The async support crates rely on the iterator module
	# which isn't available for windows. So exclude them
	# from the build.

	# Also, some dependencies of the runtimes don't like 1.40.
	EXCLUDE_FROM_BUILD="--exclude signal-hook-mio --exclude signal-hook-tokio --exclude signal-hook-async-std"
elif [ "$RUST_VERSION" = 1.66.0 ] ; then
	EXCLUDE_FROM_BUILD="--exclude signal-hook-mio"
else
	EXCLUDE_FROM_BUILD=""
fi

export RUSTFLAGS="-D warnings"

cargo test --all --all-features $EXCLUDE_FROM_BUILD
cargo test --all $EXCLUDE_FROM_BUILD