From a20cea2bedb99fa418113cbe4d357de01da557c1 Mon Sep 17 00:00:00 2001
From: Philipp Wollermann <philwo@google.com>
Date: Tue, 4 Jun 2019 16:53:41 +0200
Subject: [PATCH] Build releases using Bazel

---
 BUILD    | 16 +++++++++++-----
 build.sh | 26 +++++++++++++++++++++++---
 2 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/BUILD b/BUILD
index 54e5ea39..5400f7ff 100644
--- a/BUILD
+++ b/BUILD
@@ -7,17 +7,23 @@ gazelle(name = "gazelle")
 sh_test(
     name = "py_bazelisk_test",
     srcs = ["bazelisk_test.sh"],
-    data = ["bazelisk.py", "releases_for_tests.json"],
+    args = ["PY"],
+    data = [
+        "bazelisk.py",
+        "releases_for_tests.json",
+    ],
     deps = ["@bazel_tools//tools/bash/runfiles"],
-    args = ["PY"]
 )
 
 sh_test(
     name = "go_bazelisk_test",
     srcs = ["bazelisk_test.sh"],
-    data = [":bazelisk", "releases_for_tests.json"],
+    args = ["GO"],
+    data = [
+        "releases_for_tests.json",
+        ":bazelisk",
+    ],
     deps = ["@bazel_tools//tools/bash/runfiles"],
-    args = ["GO"]
 )
 
 go_library(
@@ -25,8 +31,8 @@ go_library(
     srcs = ["bazelisk.go"],
     importpath = "github.com/philwo/bazelisk",
     visibility = ["//visibility:private"],
-    deps = ["@com_github_hashicorp_go_version//:go_default_library"],
     x_defs = {"BazeliskVersion": "{STABLE_VERSION}"},
+    deps = ["@com_github_hashicorp_go_version//:go_default_library"],
 )
 
 go_binary(
diff --git a/build.sh b/build.sh
index 73ba79f4..a4b8f23c 100755
--- a/build.sh
+++ b/build.sh
@@ -16,6 +16,26 @@
 
 set -euxo pipefail
 
-GOOS=linux GOARCH=amd64 go build -o bin/bazelisk-linux-amd64
-GOOS=darwin GOARCH=amd64 go build -o bin/bazelisk-darwin-amd64
-GOOS=windows GOARCH=amd64 go build -o bin/bazelisk-windows-amd64.exe
+### Build release artifacts using Bazel.
+go build
+for platform in darwin linux windows; do
+    USE_BAZEL_VERSION=0.25.3 ./bazelisk build \
+        --stamp \
+        --workspace_status_command="$PWD/stamp.sh" \
+        --platforms=@io_bazel_rules_go//go/toolchain:${platform}_amd64 \
+        //:bazelisk
+    if [[ $platform == windows ]]; then
+        cp bazel-bin/${platform}_*/bazelisk.exe bin/bazelisk-${platform}-amd64.exe
+    else
+        cp bazel-bin/${platform}_*/bazelisk bin/bazelisk-${platform}-amd64
+    fi
+done
+rm -f bazelisk
+
+### Build release artifacts using `go build`.
+# GOOS=linux GOARCH=amd64 go build -o bin/bazelisk-linux-amd64
+# GOOS=darwin GOARCH=amd64 go build -o bin/bazelisk-darwin-amd64
+# GOOS=windows GOARCH=amd64 go build -o bin/bazelisk-windows-amd64.exe
+
+### Print some information about the generated binaries.
+file bin/*