tailscale/build_dist.sh

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#!/usr/bin/env sh
#
# Runs `go build` with flags configured for binary distribution. All
# it does differently from `go build` is burn git commit and version
# information into the binaries, so that we can track down user
# issues.
#
# If you're packaging Tailscale for a distro, please consider using
# this script, or executing equivalent commands in your
# distro-specific build system.
set -eu
go="go"
if [ -n "${TS_USE_TOOLCHAIN:-}" ]; then
go="./tool/go"
fi
eval `CGO_ENABLED=0 GOOS=$($go env GOHOSTOS) GOARCH=$($go env GOHOSTARCH) $go run ./cmd/mkversion`
if [ "$1" = "shellvars" ]; then
cat <<EOF
VERSION_MINOR="$VERSION_MINOR"
VERSION_SHORT="$VERSION_SHORT"
VERSION_LONG="$VERSION_LONG"
VERSION_GIT_HASH="$VERSION_GIT_HASH"
EOF
exit 0
fi
tags=""
ldflags="-X tailscale.com/version.longStamp=${VERSION_LONG} -X tailscale.com/version.shortStamp=${VERSION_SHORT}"
# build_dist.sh arguments must precede go build arguments.
while [ "$#" -gt 1 ]; do
case "$1" in
--extra-small)
shift
ldflags="$ldflags -w -s"
tags="${tags:+$tags,}ts_omit_aws,ts_omit_bird,ts_omit_tap,ts_omit_kube"
;;
--box)
shift
tags="${tags:+$tags,}ts_include_cli"
;;
*)
break
;;
esac
done
exec $go build ${tags:+-tags=$tags} -ldflags "$ldflags" "$@"