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InstallGo10onAlpine.sh
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InstallGo10onAlpine.sh
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set -eux; \
apk add --no-cache --virtual .build-deps \
bash \
gcc \
musl-dev \
openssl \
go \
; \
export \
# set GOROOT_BOOTSTRAP such that we can actually build Go
GOROOT_BOOTSTRAP="$(go env GOROOT)" \
# ... and set "cross-building" related vars to the installed system's values so that we create a build targeting the proper arch
# (for example, if our build host is GOARCH=amd64, but our build env/image is GOARCH=386, our build needs GOARCH=386)
GOOS="$(go env GOOS)" \
GOARCH="$(go env GOARCH)" \
GOHOSTOS="$(go env GOHOSTOS)" \
GOHOSTARCH="$(go env GOHOSTARCH)" \
; \
# also explicitly set GO386 and GOARM if appropriate
# https://github.com/docker-library/golang/issues/184
apkArch="$(apk --print-arch)"; \
case "$apkArch" in \
armhf) export GOARM='6' ;; \
x86) export GO386='387' ;; \
esac; \
\
wget -O go.tgz "https://golang.org/dl/go$GOLANG_VERSION.src.tar.gz"; \
echo '4cfd42720a6b1e79a8024895fa6607b69972e8e32446df76d6ce79801bbadb15 *go.tgz' | sha256sum -c -; \
tar -C /usr/local -xzf go.tgz; \
rm go.tgz; \
\
cd /usr/local/go/src; \
./make.bash; \
\
rm -rf /usr/local/go/pkg/bootstrap \
rm -rf /usr/local/go/pkg/obj \
# https://github.com/golang/go/blob/0b30cf534a03618162d3015c8705dd2231e34703/src/cmd/dist/buildtool.go#L121-L12
apk del .build-deps; \
\
export PATH="/usr/local/go/bin:$PATH"; \
go version