Added: goup.sh: get latest version of golang

goup.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+
+case ${1} in
+
+    --set-version)
+        version="${2}"
+    ;;
+
+    *)
+        pkgname="go"
+        version="1.9"
+        distfile="https://storage.googleapis.com/golang/${pkgname}${version}.linux-amd64.tar.gz"
+        tmpdir="/tmp"
+        installdir="/usr/local"
+        checksum=d70eadefce8e160638a9a6db97f7192d8463069ab33138893ad3bf31b0650a79
+
+        # Colors
+        RED='\033[0;31m'
+        LRED="\033[1;31m"
+        BLUE="\033[0;34m"
+        LBLUE="\033[1;34m"
+        GREEN="\033[0;32m"
+        LGREEN="\033[1;32m"
+        YELLOW="\033[1;33m"
+        CYAN="\033[0;36m"
+        LCYAN="\033[1;36m"
+        PURPLE="\033[0;35m"
+        LPURPLE="\033[1;35m"
+        BWHITE="\e[1m"
+        NC='\033[0m' # No Color
+
+
+        fetch_(){
+        printf "${BWHITE}\nFetching file\n${NC}"
+        cd ${tmpdir}
+    
+        if [ ! -f ${pkgname}${version}.linux-amd64.tar.gz ];then
+            wget ${distfile}
+        fi
+        printf "${BWHITE}\nVerifying checksum\n${NC}"
+
+        if [ ! -f checksum.txt ];then
+            echo "${checksum} ${pkgname}${version}.linux-amd64.tar.gz" >> checksum.txt
+            sha256sum -c checksum.txt
+
+        else
+            sha256sum -c checksum.txt
+        fi
+
+        if [ $? = 1 ];then
+            exit 0;
+        fi
+    }
+
+    extract-install_(){
+        cd ${tmpdir}
+    
+        if [ ! -f ${pkgname}${version}.linux-amd64.tar.gz ];then
+            echo "No file found to extract"
+        else
+            printf "${BWHITE}\nExtracting and installing to:${NC} " && printf "${LCYAN}${installdir}\n${NC}"
+            printf "${LRED}\nAuthentication for root:${NC}\n" && su -c "tar -C ${installdir} -xzvf ${pkgname}${version}.linux-amd64.tar.gz"
+        fi
+        
+        if [ ! -d /usr/local/go ];then
+            echo -e "\nCan not find ${pkgname} in ${installdir}\n"
+            exit 0;
+        else
+            echo -e "${LGREEN}\n${pkgname}-${version} has been installed to ${installdir}${NC}"
+        fi
+    }
+
+    add-path_(){
+        echo -e "\n1. Add gopath to ${HOME}/.profile\n"
+        echo -e "\n2. Add gopath to ${HOME}/.bashrc\n"
+        read choice
+
+        if [ "${choice}" = "1" ];then
+            echo 'export PATH=$PATH:/usr/local/go/bin' >> ${HOME}/.profile
+        elif [ "${choice}" = "2" ];then
+            printf "${BWHITE}\nAdding gopath to .bashrc${NC}"
+            echo 'export PATH=$PATH:/usr/local/go/bin' >> ${HOME}/.bashrc
+            catpath=$(cat ${HOME}/.bashrc | grep /usr/local/go/bin)
+
+            ${catpath}
+
+            if [ $? = 1 ];then
+            printf "${BWHITE}\n\nRunning grep on .bashrc\n\n${NC}"
+            printf "${LCYAN}Grep Results:${NC} ${LGREEN}${catpath}\n\n${NC}"
+
+            printf "${YELLOW}Please edit: ${HOME}/.bashrc:${NC}\n\n"
+            printf "${YELLOW}Above are results for grep on .bashrc, if nothing is there then please add:\n\n${NC}${BWHITE}"
+            echo -e 'export PATH=$PATH:/usr/local/go/bin' && printf "\n\n${NC}"
+
+            else
+                printf "${LGREEN}\n\ngo has been added to your path in ${HOME}/.bashrc\n\n${NC}"
+            fi
+        fi
+    }
+    fetch_
+    extract-install_
+    add-path_
+    ;;
+
+    --help | -h)
+        printf "${BWHITE}\nUseage ${0} [options] [arguments]\n\n${NC}"
+
+        printf "--set-version       enter in an existing go version to download\n"
+        printf "--help, -help       Display this help page"
+    ;;
+
+esac