scripts: add script to reproduce binaries locally (#1477)

scripts/reproduce-builds.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env sh
+set -eu
+
+tag="$1"
+
+git clone https://github.com/simplex-chat/simplexmq && cd simplexmq
+
+git checkout "$tag"
+
+for os in 20.04 22.04 24.04; do
+	mkdir -p out-${os}-github;
+
+	docker build -f Dockerfile.build --build-arg TAG=${os} -t repro-${os} .
+	docker run -t -d --name builder-${os} repro-${os}
+	
+	apps='smp-server xftp-server ntf-server xftp'
+	os_url="$(printf '%s' "$os" | tr '.' '_')"
+	
+	docker exec -t -e apps="$apps" builder-${os} sh -c 'cabal build && mkdir /out && for i in $apps; do bin=$(find /project/dist-newstyle -name "$i" -type f -executable); strip "$bin"; chmod +x "$bin"; mv "$bin" /out/; done'
+
+	docker cp builder-${os}:/out out-${os}
+	
+	for app in $apps; do
+		curl -L "https://github.com/simplex-chat/simplexmq/releases/download/${tag}/${app}-ubuntu-${os_url}-x86-64" -o out-${os}-github/${app}
+	done
+
+	docker stop builder-${os}
+	docker rm builder-${os} 
+	docker image rm repro-${os}
+done