53 lines
1.6 KiB
Bash
53 lines
1.6 KiB
Bash
#!/bin/sh
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set -eux
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ARCH=$(uname -m)
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GO_VERSION="1.21.3"
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GO_VERSION_SHA_arm64="65302a7a9f7a4834932b3a7a14cb8be51beddda757b567a2f9e0cbd0d7b5a6ab" # from https://golang.org/dl
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GO_VERSION_SHA_amd64="27014fc69e301d7588a169ca239b3cc609f0aa1abf38528bf0d20d3b259211eb" # from https://golang.org/dl
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if [ "$ARCH" = 'arm64' ]; then
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GO_ARCH="darwin-arm64"
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GO_VERSION_SHA=${GO_VERSION_SHA_arm64}
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elif [ "$ARCH" = 'x86_64' ]; then
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GO_ARCH="darwin-amd64"
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GO_VERSION_SHA=${GO_VERSION_SHA_amd64}
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fi
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# This path is cachable. (Saving in /usr/local/ would cause issues restoring the cache.)
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path="/usr/local/Cellar"
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sudo mkdir -p ${path}
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# Download Go and verify Go tarball. (Note: we aren't using brew because
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# it is slow to update and we can't pull specific minor versions.)
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setup_go () {
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echo "installing go"
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curl -L https://golang.org/dl/go${GO_VERSION}.${GO_ARCH}.tar.gz --output go${GO_VERSION}.${GO_ARCH}.tar.gz
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if ! echo "${GO_VERSION_SHA} go${GO_VERSION}.${GO_ARCH}.tar.gz" | shasum --algorithm 256 --check -; then
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echo "Checksum failed" >&2
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exit 1
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fi
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sudo rm -rf ${path}/go
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sudo tar -C $path -xzf go${GO_VERSION}.${GO_ARCH}.tar.gz
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sudo mkdir -p /usr/local/bin
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sudo ln -sf ${path}/go/bin/go /usr/local/bin/go
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sudo ln -sf ${path}/go/bin/gofmt /usr/local/bin/gofmt
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}
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if command -v go >/dev/null 2>&1; then
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echo "Go is already installed"
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v=$(go version | { read -r _ _ v _; echo "${v#go}"; })
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echo "$v is installed, required version is ${GO_VERSION}"
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if [ "$v" != ${GO_VERSION} ]; then
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setup_go
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fi
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else
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setup_go
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fi
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echo "$PATH"
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command -v go
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go version
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