Merge pull request #172 from dotnet/glennc/shellinstall
Add install.sh to install the latest cli
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Glenn Condron
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1 changed files with 151 additions and 0 deletions
151
scripts/install.sh
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151
scripts/install.sh
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#!/usr/bin/env sh
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#setup some colors to use. These need to work in fairly limited shells, like the Ubuntu Docker container where there are only 8 colors.
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#See if stdout is a terminal
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if [ -t 1 ]; then
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# see if it supports colors
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ncolors=$(tput colors)
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if [ -n "$ncolors" ] && [ $ncolors -ge 8 ]; then
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bold="$(tput bold)"
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normal="$(tput sgr0)"
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black="$(tput setaf 0)"
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red="$(tput setaf 1)"
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green="$(tput setaf 2)"
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yellow="$(tput setaf 3)"
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blue="$(tput setaf 4)"
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magenta="$(tput setaf 5)"
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cyan="$(tput setaf 6)"
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white="$(tput setaf 7)"
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fi
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fi
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#Standardise OS name to what is put into filenames of the tarballs.
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__current_os()
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{
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local uname=$(uname)
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if [ "$uname" = "Darwin" ]; then
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echo "osx"
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else
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echo "linux"
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fi
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}
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__machine_has() {
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type "$1" > /dev/null 2>&1
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return $?
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}
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#Not 100% sure at the moment that these checks are enough. We might need to take version into account or do something
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#more complicated. This seemed like a good beginning though as it should catch the default "clean" machine case and give
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#people an appropriate hint.
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__check_pre_reqs() {
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local os=$(__current_os)
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local _failing=false;
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if [ "$os" = "linux" ]; then
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[ -z "$(ldconfig -p | grep libunwind)" ] && say_err "Unable to locate libunwind. Install libunwind to continue" && _failing=true
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[ -z "$(ldconfig -p | grep libssl)" ] && say_err "Unable to locate libssl. Install libssl to continue" && _failing=true
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[ -z "$(ldconfig -p | grep libcurl)" ] && say_err "Unable to locate libcurl. Install libcurl to continue" && _failing=true
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[ -z "$(ldconfig -p | grep libicu)" ] && say_err "Unable to locate libicu. Install libicu to continue" && _failing=true
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[ -z "$(ldconfig -p | grep gettext)" ] && say_err "Unable to locate gettext. Install gettext to continue" && _failing=true
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fi
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if [ "$_failing" = true ]; then
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return 1
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fi
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}
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say_err() {
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printf "%b\n" "${red}dotnet_install: Error: $1${normal}" >&2
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}
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say() {
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printf "%b\n" "dotnet_install: $1"
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}
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_install_dotnet()
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{
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if ! __machine_has "curl"; then
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printf "%b\n" "${red}curl is required to download dotnet. Install curl to proceed. ${normal}" >&2
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return 1
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fi
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if [ -e "/usr/local/share/dotnet/cli/dotnet" ] && [ ! -w "/usr/local/share/dotnet/cli/dotnet" ]; then
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say_err "dotnet cli is already installed and not writeable. Use 'curl -sSL <url> | sudo sh' to force install."
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say_err "If you have previously installed the cli using a pkg then that is why it is write protected, and you need to run sudo to install the new version."
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say_err "Alternatively, removing the '/usr/local/share/dotnet' directory completely before running the script will also resolve the issue."
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return 1
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fi
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__check_pre_reqs
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if [ $? != 0 ]; then
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say_err "Ending install due to missing pre-reqs"
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return 1;
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fi
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local os=$(__current_os)
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local installLocation="/usr/local/share/dotnet"
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local dotnet_url="https://dotnetcli.blob.core.windows.net/dotnet/dev/Binaries/Latest"
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local dotnet_filename="dotnet-$os-x64.latest.tar.gz"
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local remoteData="$(curl -s https://dotnetcli.blob.core.windows.net/dotnet/dev/dnvm/latest.$os.version)"
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[ $? != 0 ] && say_err "Unable to determine latest version." && return 1
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local remoteVersion=$(IFS="\n" && echo $remoteData | tail -n 1)
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local remoteHash=$(IFS="\n" && echo $remoteData | head -n 1)
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local localVersion=$(tail -n 1 "$installLocation/cli/.version" 2>/dev/null)
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[ -z $localVersion ] && localVersion='<none>'
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local localHash=$(head -n 1 "$installLocation/cli/.version" 2>/dev/null)
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say "Latest Version: $remoteVersion"
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say "Local Version: $localVersion"
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[ "$remoteHash" = "$localHash" ] && say "${green}You already have the latest version.${normal}" && return 0
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#This should noop if the directory already exists.
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mkdir -p $installLocation
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say "Downloading $dotnet_filename from $dotnet_url"
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#Download file and check status code, error and return if we cannot download a cli tar.
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local httpResult=$(curl -L -D - "$dotnet_url/$dotnet_filename" -o "$installLocation/$dotnet_filename" -# | grep "^HTTP/1.1" | head -n 1 | sed "s/HTTP.1.1 \([0-9]*\).*/\1/")
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[ $httpResult -ne "302" ] && [ $httpResult -ne "200" ] && echo "${Red}HTTP Error $httpResult fetching the dotnet cli from $dotnet_url ${RCol}" && return 1
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say "Extracting tarball"
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#Any of these could fail for various reasons so we will check each one and end the script there if it fails.
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rm -rf "$installLocation/cli_new"
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mkdir "$installLocation/cli_new"
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[ $? != 0 ] && say_err "failed to clean and create temporary cli directory to extract into" && return 1
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tar -xzf "$installLocation/$dotnet_filename" -C "$installLocation/cli_new"
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[ $? != 0 ] && say_err "failed to extract tar" && return 1
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say "Moving new CLI into install location and symlinking"
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rm -rf "$installLocation/cli"
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[ $? != 0 ] && say_err "Failed to clean current dotnet install" && return 1
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mv "$installLocation/cli_new" "$installLocation/cli"
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for f in $(find "$installLocation/cli" -regex ".*/dotnet[a-z\-]*$")
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do
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local baseFile=$(basename $f)
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local symlinkFile="/usr/local/bin/$baseFile"
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say "Linking $symlinkFile -> $f"
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if [ -e $symlinkFile ]; then
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if [ -h $symlinkFile ]; then
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ln -sf $f /usr/local/bin/
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else
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say "${yellow}$symlinkFile is a file rather than a symlink. We are overwriting it with a symlink.${normal}"
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rm $symlinkFile
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ln -s $f /usr/local/bin/
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fi
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else
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ln -s $f /usr/local/bin/
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fi
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done
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say "Cleaning $dotnet_filename"
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rm "$installLocation/$dotnet_filename"
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[ $? != 0 ] && say_err "Failed to delete tar after extracting." && return 1
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}
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_install_dotnet
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