47 lines
1.5 KiB
Bash
47 lines
1.5 KiB
Bash
#!/bin/sh
|
|
|
|
set -eux
|
|
|
|
ARCH=$(uname -m)
|
|
GO_VERSION="1.17.2"
|
|
if [ "$ARCH" = 'arm64' ]; then
|
|
GO_ARCH="darwin-arm64"
|
|
GO_VERSION_SHA="ce8771bd3edfb5b28104084b56bbb532eeb47fbb7769c3e664c6223712c30904" # from https://golang.org/dl
|
|
elif [ "$ARCH" = 'x86_64' ]; then
|
|
GO_ARCH="darwin-amd64"
|
|
GO_VERSION_SHA="7914497a302a132a465d33f5ee044ce05568bacdb390ab805cb75a3435a23f94" # from https://golang.org/dl
|
|
fi
|
|
|
|
# This path is cachable. (Saving in /usr/local/ would cause issues restoring the cache.)
|
|
path="/usr/local/Cellar"
|
|
sudo mkdir -p ${path}
|
|
|
|
# Download Go and verify Go tarball. (Note: we aren't using brew because
|
|
# it is slow to update and we can't pull specific minor versions.)
|
|
setup_go () {
|
|
echo "installing go"
|
|
curl -L https://golang.org/dl/go${GO_VERSION}.${GO_ARCH}.tar.gz --output go${GO_VERSION}.${GO_ARCH}.tar.gz
|
|
if ! echo "${GO_VERSION_SHA} go${GO_VERSION}.${GO_ARCH}.tar.gz" | shasum --algorithm 256 --check -; then
|
|
echo "Checksum failed" >&2
|
|
exit 1
|
|
fi
|
|
|
|
sudo rm -rf ${path}/go
|
|
sudo tar -C $path -xzf go${GO_VERSION}.${GO_ARCH}.tar.gz
|
|
sudo mkdir -p /usr/local/bin
|
|
sudo ln -sf ${path}/go/bin/go /usr/local/bin/go
|
|
sudo ln -sf ${path}/go/bin/gofmt /usr/local/bin/gofmt
|
|
}
|
|
|
|
if command -v go >/dev/null 2>&1; then
|
|
echo "Go is already installed"
|
|
v=$(go version | { read -r _ _ v _; echo "${v#go}"; })
|
|
echo "$v is installed, required version is ${GO_VERSION}"
|
|
if [ "$v" != ${GO_VERSION} ]; then
|
|
setup_go
|
|
go version
|
|
fi
|
|
else
|
|
setup_go
|
|
fi
|