bashbrew/scripts/bashbrew-arch-to-goenv.sh

43 lines
1.1 KiB
Bash
Executable File

#!/bin/sh
set -eu
# usage: (from within another script)
# shell="$(./bashbrew-arch-to-goenv.sh arm32v6)"
# eval "$shell"
# since we need those new environment variables set in our other script
bashbrewArch="$1"; shift # "amd64", "arm32v5", "windows-amd64", etc.
os="${bashbrewArch%%-*}"
[ "$os" != "$bashbrewArch" ] || os='linux'
printf 'export GOOS="%s"\n' "$os"
arch="${bashbrewArch#${os}-}"
case "$arch" in
arm32v*)
printf 'export GOARCH="%s"\n' 'arm'
printf 'export GOARM="%s"\n' "${arch#arm32v}"
;;
arm64v*)
printf 'export GOARCH="%s"\n' 'arm64'
# no GOARM(64) for arm64 (yet?):
# https://github.com/golang/go/blob/be0e0b06ac53d3d02ea83b479790404057b6f19b/src/internal/buildcfg/cfg.go#L86
# https://github.com/golang/go/issues/60905
#printf 'export GOARM64="v%s"\n' "${arch#arm64v}"
printf 'unset GOARM\n'
;;
i386)
printf 'export GOARCH="%s"\n' '386'
printf 'unset GOARM\n'
;;
# TODO GOAMD64: https://github.com/golang/go/blob/be0e0b06ac53d3d02ea83b479790404057b6f19b/src/internal/buildcfg/cfg.go#L57-L70 (v1 implied)
*)
printf 'export GOARCH="%s"\n' "$arch"
printf 'unset GOARM\n'
;;
esac