From e7e14239f440f1e893098847d1ce6289f3f3edb2 Mon Sep 17 00:00:00 2001
From: Hyounggyu Choi <Hyounggyu.Choi@ibm.com>
Date: Thu, 29 Oct 2020 20:07:23 +0100
Subject: [PATCH] Cross-compile the kn binary for linux/s390x

---
 hack/build.sh   | 2 ++
 hack/release.sh | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/hack/build.sh b/hack/build.sh
index 1fad436d8b..25866db051 100755
--- a/hack/build.sh
+++ b/hack/build.sh
@@ -282,6 +282,8 @@ cross_build() {
   GOOS=darwin GOARCH=amd64 go build -mod=vendor -ldflags "${ld_flags}" -o ./kn-darwin-amd64 ./cmd/... || failed=1
   echo "   🎠 kn-windows-amd64.exe"
   GOOS=windows GOARCH=amd64 go build -mod=vendor -ldflags "${ld_flags}" -o ./kn-windows-amd64.exe ./cmd/... || failed=1
+  echo "   Z  kn-linux-s390x"
+  GOOS=linux GOARCH=s390x go build -mod=vendor -ldflags "${ld_flags}" -o ./kn-linux-s390x ./cmd/... || failed=1
 
   return ${failed}
 }
diff --git a/hack/release.sh b/hack/release.sh
index 3b36c7936f..2a8dfa0467 100755
--- a/hack/release.sh
+++ b/hack/release.sh
@@ -37,9 +37,11 @@ function build_release() {
   GOOS=darwin GOARCH=amd64 go build -mod=vendor -ldflags "${ld_flags}" -o ./kn-darwin-amd64 ./cmd/...
   echo "🚧 🎠 Building for Windows"
   GOOS=windows GOARCH=amd64 go build -mod=vendor -ldflags "${ld_flags}" -o ./kn-windows-amd64.exe ./cmd/...
+  echo "🚧 Z  Building for Linux(s390x)"
+  GOOS=linux GOARCH=s390x go build -mod=vendor -ldflags "${ld_flags}" -o ./kn-linux-s390x ./cmd/...
   echo "🚧 🐳 Building the container image"
   ko resolve --strict ${KO_FLAGS} -f config/ > kn-image-location.yaml
-  ARTIFACTS_TO_PUBLISH="kn-darwin-amd64 kn-linux-amd64 kn-linux-arm64 kn-windows-amd64.exe kn-image-location.yaml"
+  ARTIFACTS_TO_PUBLISH="kn-darwin-amd64 kn-linux-amd64 kn-linux-arm64 kn-windows-amd64.exe kn-linux-s390x kn-image-location.yaml"
   sha256sum "${ARTIFACTS_TO_PUBLISH}" > checksums.txt
   ARTIFACTS_TO_PUBLISH="${ARTIFACTS_TO_PUBLISH} checksums.txt"
   echo "🧮     Checksum:"