From f332df9cf5019b0ceac2cb6d45d246241c52e619 Mon Sep 17 00:00:00 2001
From: Ryan Butler <thebutlah@gmail.com>
Date: Wed, 29 Jan 2025 11:29:47 +0100
Subject: [PATCH] build: add docker runner for mac users to run tests

---
 .cargo/config.toml     |  4 ++++
 docker/cargo-runner.sh | 21 +++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100755 docker/cargo-runner.sh

diff --git a/.cargo/config.toml b/.cargo/config.toml
index 77aa9eb8..9f4a1a17 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -5,3 +5,7 @@
 [net]
 # libgit2 doesn't handle git credentials well
 git-fetch-with-cli = true
+
+# Run cargo with `RUSTFLAGS='--cfg docker_runner'`
+[target.'cfg(docker_runner)']
+runner = "docker/cargo-runner.sh"
diff --git a/docker/cargo-runner.sh b/docker/cargo-runner.sh
new file mode 100755
index 00000000..5fcf1807
--- /dev/null
+++ b/docker/cargo-runner.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+# Allows running tests inside docker. Takes care of linux-only dependencies and avoids
+# the need to emulate the architecture.
+
+set -o pipefail -eu
+
+PROGRAM=$1; shift
+
+main() {
+	local -r absolute_path="$(realpath ${PROGRAM})"
+
+	docker run \
+		--rm \
+		-v "${absolute_path}:/mnt/program" \
+		-w /mnt \
+		-e RUST_BACKTRACE \
+		-it debian:latest \
+		/mnt/program $@
+}
+
+main $@