36 lines
923 B
Bash
36 lines
923 B
Bash
#!/bin/sh
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set -eux
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GO_VERSION="1.18.5"
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GO_ARCH="linux-amd64"
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# from https://golang.org/dl
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GO_VERSION_SHA="9e5de37f9c49942c601b191ac5fba404b868bfc21d446d6960acc12283d6e5f2"
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# Download Go and verify Go tarball
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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}.${GO_ARCH}.tar.gz" | shasum --algorithm 256 --check -; then
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echo "Checksum failed" >&2
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exit 1
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fi
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sudo tar -C /usr/local -xzf go${GO_VERSION}.${GO_ARCH}.tar.gz
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echo "$PATH"
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which go
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go version
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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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