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Forked from RaviTezu/installGO.sh
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Shell(bash) script to install golang on Linux and MacOS machines
#!/usr/bin/env bash
set -e
# Author: Ravi Teja Pothana (@RaviTezu)
# Date: Nov 15, 2016
# The MIT License (MIT)
# Copyright (c) 2016 RaviTezu
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
GO_VERSION="1.12.0"
OS=`uname -s`
HOME_DIR=$HOME
GO_HOME=$HOME_DIR/go
GO_ROOT=/usr/local/go
ARCH=`uname -m`
function usage {
printf "./installGO.sh -v <version> \n"
printf "Example: ./installGO.sh -v 1.7.3 \n"
exit 1
}
while getopts ":v:" opt; do
case $opt in
v) GO_VERSION="$OPTARG"
;;
\?) echo "Invalid option -$OPTARG" >&2
echo
usage
;;
esac
done
# Function to install golang and setup the env.
function install {
echo
echo "...... [ Scanning ]"
# Check if there's any older version of GO installed on the machine.
if [ -d /usr/local/go ]; then
echo "...... [ Found an older version of GO ]"
printf "Would you like to remove it? [y/N]: "
read ans
case "$ans" in
"y"|"yes"|"Y"|"Yes"|"YES") sudo rm -rf /usr/local/go;;
*) echo "...... [ Exiting ]"; exit 0;;
esac
fi
# If the operating system is 64-bit Linux
if [ "$OS" == "Linux" ] && [ "$ARCH" == "x86_64" ]; then
PACKAGE=go$GO_VERSION.linux-amd64.tar.gz
pushd /tmp > /dev/null
echo
echo "...... [ Downloading ]"
wget https://storage.googleapis.com/golang/$PACKAGE
if [ $? -ne 0 ]; then
echo "Failed to Download the package! Exiting."
exit 1
fi
echo "...... [ Installing ]"
sudo tar -C /usr/local -xzf $PACKAGE
rm -rf $PACKAGE
popd > /dev/null
echo "...... [ Installed ]"
setup
echo "...... [ Open a new terminal tab to start using GO ]"
exit 0
fi
# If the operating system is 64-bit MacOS
if [ "$OS" == "Darwin" ] && [ "$ARCH" == "x86_64" ]; then
PACKAGE=go$GO_VERSION.darwin-amd64.pkg
pushd /tmp > /dev/null
echo
echo "...... [ Downloading ]"
wget https://storage.googleapis.com/golang/$PACKAGE
if [ $? -ne 0 ]; then
echo "Failed to Download the package! WTF!"
exit 1
fi
echo "...... [ Installing ]"
sudo /usr/sbin/installer -pkg $PACKAGE -target /
rm -rf $PACKAGE
popd > /dev/null
echo "...... [ Installed ]"
setup
echo "...... [ Open a new terminal tab to start using GO ]"
exit 0
fi
# Couldn't determine the machine arch or the operating system. So error out mate!'
errorout
}
function setup {
# Create GOHOME and the required directories
if [ ! -d $GO_HOME ]; then
mkdir $GO_HOME
mkdir -p $GO_HOME/{src,pkg,bin}
else
mkdir -p $GO_HOME/{src,pkg,bin}
fi
if [ "$OS" == "Linux" ] && [ "$ARCH" == "x86_64" ]; then
grep -q -F 'export GOPATH=$HOME/go' $HOME/.bashrc || echo 'export GOPATH=$HOME/go' >> $HOME/.bashrc
grep -q -F 'export GOROOT=/usr/local/go' $HOME/.bashrc || echo 'export GOROOT=/usr/local/go' >> $HOME/.bashrc
grep -q -F 'export PATH=$PATH:$GOROOT/bin' $HOME/.bashrc || echo 'export PATH=$PATH:$GOROOT/bin' >> $HOME/.bashrc
grep -q -F 'export PATH=$PATH:$GOPATH/bin' $HOME/.bashrc || echo 'export PATH=$PATH:$GOPATH/bin' >> $HOME/.bashrc
fi
if [ "$OS" == "Darwin" ] && [ "$ARCH" == "x86_64" ]; then
grep -q -F 'export GOPATH=$HOME/go' $HOME/.bash_profile || echo 'export GOPATH=$HOME/go' >> $HOME/.bash_profile
grep -q -F 'export GOROOT=/usr/local/go' $HOME/.bash_profile || echo 'export GOROOT=/usr/local/go' >> $HOME/.bash_profile
grep -q -F 'export PATH=$PATH:$GOROOT/bin' $HOME/.bash_profile || echo 'export PATH=$PATH:$GOROOT/bin' >> $HOME/.bash_profile
grep -q -F 'export PATH=$PATH:$GOPATH/bin' $HOME/.bash_profile || echo 'export PATH=$PATH:$GOPATH/bin' >> $HOME/.bash_profile
fi
echo
echo "...... [You're ready to Go :)]"
}
function errorout {
echo "Cannot determine your operating system or you ain't running a 64-bit machine."
echo "You are on 64-bit Linux/MacOS and this script is still failing? Write to @RaviTezu(Twitter)"
exit 1
}
echo "...... [ Welcome ]"
install
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