From b939b457daa2d7f6ae3b8ead2516473738a2c625 Mon Sep 17 00:00:00 2001
From: Brian Goff <cpuguy83@gmail.com>
Date: Tue, 7 Mar 2023 23:14:19 +0000
Subject: [PATCH] release: Do not create empty archives

When there are no binary artifacts we should not be generating tarballs
since they will just be empty.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
---
 Dockerfile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 86f909fe0..dcb11ec26 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -60,7 +60,11 @@ FROM build AS build-tar
 WORKDIR /build/release
 ARG CRATE
 ARG TARGETOS TARGETARCH TARGETVARIANT
-RUN tar -C /build/bin -czf /build/release/${CRATE}-${TARGETOS}-${TARGETARCH}${TARGETVARIANT}.tar.gz .
+RUN <<EOF
+if [ -n "$(find /build/bin -type f -exec echo {} \;)" ]; then
+    tar -C /build/bin -czf "/build/release/${CRATE}-${TARGETOS}-${TARGETARCH}${TARGETVARIANT}.tar.gz" .
+fi
+EOF
 
 FROM scratch AS release-tar
 COPY --link --from=build-tar /build/release/* /