4 # homepage: https://golang.org
5 # tagline: The Go Programming Language tools
7 # Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
12 # TODO handle v1.4 / go1.4 / lack of go1.4.0
13 GOLANG_VER=${WEBI_VERSION:-}
14 GOLANG_VER="${GOLANG_VER:-go}" # Search for 'go' at the least
16 # WEBI_ARCH uses only slightly different names from GOLANG_ARCH
17 GOLANG_OS="${WEBI_OS}" # linux or darwin
18 GOLANG_ARCH="${WEBI_ARCH}"
19 if [ "x86" == "$GOLANG_ARCH" ]; then
30 get_golang_version() {
31 # sort -rV # will sort by version number, but it appears these are already sorted
32 # cut -f 1 # gets only the first column
33 # head -n 1 # gets only the most recent version
34 # <td class="filename"><a class="download" href="https://dl.google.com/go/go1.13.4.darwin-amd64.tar.gz">go1.13.4.darwin-amd64.tar.gz</a></td>
36 my_count=$(awk -F"${my_char}" '{print NF-1}' <<< "${GOLANG_VER}")
37 # get the latest version if partial
38 if [ $my_count -ne 2 ]; then
39 if [ "$GOLANG_VER" != "go" ]; then
40 GOLANG_VER="$GOLANG_VER\\."
43 if [ -n "$(type -p curl)" ]; then
45 elif [ -n "$(type -p wget)" ]; then
46 get_http="wget --quiet -O -"
48 echo "Found neither 'curl' nor 'wget'. Can't Continue."
51 GOLANG_VER=$($get_http "https://golang.org/dl/" | grep filename.*download | grep ${GOLANG_VER} | grep ${GOLANG_ARCH} | grep ${GOLANG_OS} | cut -d '"' -f 6 | cut -d '/' -f5 | cut -d '.' -f 1-3 | sed 's/\.\(freebsd\|darwin\|linux\|windows\|src\).*//' | head -n 1) \
52 || echo 'error automatically determining current Golang version'
61 golang_install_path=$HOME/.local/opt/${GOLANG_VER}
62 mkdir -p $golang_install_path
64 # TODO warn if existing golang in path my take precedence
65 if [ -e "$golang_install_path/bin/go" ]; then
66 # golang of some version is already installed
67 #echo "${GOLANG_VER}" == "$($golang_install_path/bin/go version | cut -d ' ' -f 3 2>/dev/null)"
68 if [ "${GOLANG_VER}" == "$($golang_install_path/bin/go version | cut -d ' ' -f 3 2>/dev/null)" ]; then
69 echo ${GOLANG_VER} already installed at $golang_install_path
74 GOLANG_PRE="${GOLANG_VER}.${GOLANG_OS}-${GOLANG_ARCH}"
75 GOLANG_REMOTE="https://dl.google.com/go/${GOLANG_PRE}.tar.gz"
76 GOLANG_LOCAL="$my_tmp/${GOLANG_PRE}.tar.gz"
77 GOLANG_UNTAR="$my_tmp/${GOLANG_PRE}"
79 if [ -n "$(command -v curl 2>/dev/null | grep curl)" ]; then
80 curl -fSL ${GOLANG_REMOTE} -o ${GOLANG_LOCAL} || echo 'error downloading golang'
81 elif [ -n "$(command -v wget 2>/dev/null | grep wget)" ]; then
82 wget ${GOLANG_REMOTE} -O ${GOLANG_LOCAL} || echo 'error downloading golang'
84 echo "'wget' and 'curl' are missing. Please run the following command and try again"
85 echo " sudo apt-get install --yes curl wget"
89 mkdir -p ${GOLANG_UNTAR}/
90 # --strip-components isn't portable, switch to portable version by performing move step after untar
91 tar xf ${GOLANG_LOCAL} -C ${GOLANG_UNTAR}/ #--strip-components=1
92 mv ${GOLANG_UNTAR}/go/* ${GOLANG_UNTAR}/
93 rm -rf ${GOLANG_UNTAR}/go # clean up the temporary unzip folder
94 if [ -n "$(command -v rsync 2>/dev/null | grep rsync)" ]; then
95 echo $sudo_cmd rsync -Krl "${GOLANG_UNTAR}/" "$golang_install_path/"
96 rsync -Krl "${GOLANG_UNTAR}/" "$golang_install_path/" 2>/dev/null || $sudo_cmd rsync -Krl "${GOLANG_UNTAR}/" "$golang_install_path/"
98 echo $sudo_cmd cp -Hr "${GOLANG_UNTAR}/*" "$golang_install_path/"
99 cp -Hr "${GOLANG_UNTAR}"/* "$golang_install_path/" 2>/dev/null || $sudo_cmd cp -Hr "${GOLANG_UNTAR}"/* "$golang_install_path/"
101 rm -rf "${GOLANG_UNTAR}"
107 # TODO add more than one at a time
108 pathman add $golang_install_path/bin
109 mkdir -p $HOME/go/bin
110 pathman add $HOME/go/bin
111 echo "go get golang.org/x/tools/cmd/goimports"
112 $golang_install_path/bin/go get golang.org/x/tools/cmd/goimports > /dev/null 2>/dev/null