35 lines
1.1 KiB
Bash
35 lines
1.1 KiB
Bash
#!/bin/sh
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set -eux
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GO_ARCH="darwin-amd64"
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GO_VERSION="1.16.6"
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GO_VERSION_SHA="e4e83e7c6891baa00062ed37273ce95835f0be77ad8203a29ec56dbf3d87508a" # from https://golang.org/dl
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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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# 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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echo "${GO_VERSION_SHA} go${GO_VERSION}.${GO_ARCH}.tar.gz" | shasum -a 256 --check
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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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ln -sf ${path}/go/bin/go /usr/local/bin/go
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ln -sf ${path}/go/bin/gofmt /usr/local/bin/gofmt
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}
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if command -v go &> /dev/null; then
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echo "Go is already installed"
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v=`go version | { read _ _ 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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go version
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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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