File reproducible-buildid.patch of Package kubernetes1.18.30392

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File reproducible-buildid.patch of Package kubernetes1.18.30392

https://github.com/kubernetes/kubernetes/pull/89136

From d70d04f92b0bcc277c759c3bfb05cb1ec911b500 Mon Sep 17 00:00:00 2001
From: Davanum Srinivas <davanum@gmail.com>
Date: Sun, 15 Mar 2020 20:39:34 -0400
Subject: [PATCH] zero out the build id for reproducible builds

We have been having issues with making builds reproducible, especially
with the `.note.go.buildid` ELF section. One tip from a golang issue was
to set `-ldflags=-buildid=` which seems to work well. You can confirm
that the buildid is set to empty by inspecting the binaries with the go
command example `go tool buildid _output/local/go/bin/kubectl`

Signed-off-by: Davanum Srinivas <davanum@gmail.com>
---
 hack/lib/golang.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hack/lib/golang.sh b/hack/lib/golang.sh
index b646bbe2edfdc..f1c0a3e10ef7a 100755
--- a/hack/lib/golang.sh
+++ b/hack/lib/golang.sh
@@ -784,7 +784,7 @@ kube::golang::build_binaries() {
     # Disable SC2153 for this, as it will throw a warning that the local
     # variable goldflags will exist, and it suggest changing it to this.
     # shellcheck disable=SC2153
-    goldflags="${GOLDFLAGS=-s -w} $(kube::version::ldflags)"
+    goldflags="${GOLDFLAGS=-s -w -buildid=} $(kube::version::ldflags)"
     goasmflags="-trimpath=${KUBE_ROOT}"
     gogcflags="${GOGCFLAGS:-} -trimpath=${KUBE_ROOT}"

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File reproducible-buildid.patch of Package kubernetes1.18.30392

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