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#!/bin/bash
set -e
VERSION="1.17.3"
[ -z "$GOROOT" ] && GOROOT="$HOME/.go"
[ -z "$GOPATH" ] && GOPATH="$HOME/go"
OS="$(uname -s)"
ARCH="$(uname -m)"
case $OS in
"Linux")
case $ARCH in
"x86_64")
ARCH=amd64
;;
"armv6")
ARCH=armv6l
;;
"armv8")
ARCH=arm64
;;
.*386.*)
ARCH=386
;;
esac
PLATFORM="linux-$ARCH"
;;
"Darwin")
PLATFORM="darwin-amd64"
;;
esac
print_help() {
echo "Usage: bash goinstall.sh OPTIONS"
echo -e "\nOPTIONS:"
echo -e " --remove\tRemove currently installed version"
}
if [ -n "`$SHELL -c 'echo $ZSH_VERSION'`" ]; then
shell_profile="zshrc"
elif [ -n "`$SHELL -c 'echo $BASH_VERSION'`" ]; then
shell_profile="bashrc"
fi
PACKAGE_NAME="go$VERSION.$PLATFORM.tar.gz"
if [ "$1" == "--remove" ]; then
rm -rf "$GOROOT"
if [ "$OS" == "Darwin" ]; then
sed -i "" '/# GoLang/d' "$HOME/.${shell_profile}"
sed -i "" '/export GOROOT/d' "$HOME/.${shell_profile}"
sed -i "" '/$GOROOT\/bin/d' "$HOME/.${shell_profile}"
sed -i "" '/export GOPATH/d' "$HOME/.${shell_profile}"
sed -i "" '/$GOPATH\/bin/d' "$HOME/.${shell_profile}"
else
sed -i '/# GoLang/d' "$HOME/.${shell_profile}"
sed -i '/export GOROOT/d' "$HOME/.${shell_profile}"
sed -i '/$GOROOT\/bin/d' "$HOME/.${shell_profile}"
sed -i '/export GOPATH/d' "$HOME/.${shell_profile}"
sed -i '/$GOPATH\/bin/d' "$HOME/.${shell_profile}"
fi
echo "Go removed."
exit 0
elif [ "$1" == "--help" ]; then
print_help
exit 0
elif [ ! -z "$1" ]; then
echo "Unrecognized option: $1"
exit 1
fi
if [ -d "$GOROOT" ]; then
echo "The Go install directory ($GOROOT) already exists."
exit 0
fi
echo "Downloading $PACKAGE_NAME ..."
if hash wget 2>/dev/null; then
wget https://storage.googleapis.com/golang/$PACKAGE_NAME -O /tmp/go.tar.gz
else
curl -o /tmp/go.tar.gz https://storage.googleapis.com/golang/$PACKAGE_NAME
fi
if [ $? -ne 0 ]; then
echo "Download failed! Exiting."
exit 1
fi
echo "Extracting File..."
mkdir -p "$GOROOT"
tar -C "$GOROOT" --strip-components=1 -xzf /tmp/go.tar.gz
touch "$HOME/.${shell_profile}"
{
echo '# GoLang'
echo "export GOROOT=${GOROOT}"
echo 'export PATH=$GOROOT/bin:$PATH'
echo "export GOPATH=$GOPATH"
echo 'export PATH=$GOPATH/bin:$PATH'
echo "export GOBIN=$GOPATH/bin"
} >> "$HOME/.${shell_profile}"
mkdir -p $GOPATH/{src,pkg,bin}
echo -e "\nGo $VERSION was installed into $GOROOT.\nMake sure to relogin into your shell or run:"
echo -e "\n\tsource $HOME/.${shell_profile}\n\nto update your environment variables."
echo "Tip: Opening a new terminal window usually just works. :)"
rm -f /tmp/go.tar.gz
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