51 lines
1.4 KiB
Bash
Executable File
51 lines
1.4 KiB
Bash
Executable File
# Copyright 2015 The Prometheus Authors
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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goroot="$1"
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gopath="$2"
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go_version_min="1.5"
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go_version_install="1.5.1"
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vernum() {
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printf "%03d%03d%03d" $(echo "$1" | tr '.' ' ')
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}
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if command -v "go" >/dev/null; then
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go_version=$(go version | sed -e 's/^[^0-9.]*\([0-9.]*\).*/\1/')
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fi
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# If we satisfy the version requirement, there is nothing to do. Otherwise
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# proceed downloading and installing a go environment.
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if [ $(vernum ${go_version}) -ge $(vernum ${go_version_min}) ]; then
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return
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fi
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export GOPATH="${gopath}"
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export GOROOT="${goroot}/${go_version_install}"
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export PATH="$PATH:$GOROOT/bin"
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if [ ! -x "${GOROOT}/bin/go" ]; then
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mkdir -p "${GOROOT}"
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os=$(uname | tr A-Z a-z)
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arch=$(uname -m | sed -e 's/x86_64/amd64/' | sed -e 's/i.86/386/')
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url="https://golang.org/dl"
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tarball="go${go_version_install}.${os}-${arch}.tar.gz"
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wget -qO- "${url}/${tarball}" | tar -C "${GOROOT}" --strip 1 -xz
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fi
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