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dotnet-install.sh
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dotnet-install.sh
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#!/usr/bin/env bash
# Copyright (c) .NET Foundation and contributors. All rights reserved.
# Licensed under the MIT license. See LICENSE file in the project root for full license information.
#
# Stop script on NZEC
set -e
# Stop script if unbound variable found (use ${var:-} if intentional)
set -u
# By default cmd1 | cmd2 returns exit code of cmd2 regardless of cmd1 success
# This is causing it to fail
set -o pipefail
# Use in the the functions: eval $invocation
invocation='say_verbose "Calling: ${yellow:-}${FUNCNAME[0]} ${green:-}$*${normal:-}"'
# standard output may be used as a return value in the functions
# we need a way to write text on the screen in the functions so that
# it won't interfere with the return value.
# Exposing stream 3 as a pipe to standard output of the script itself
exec 3>&1
# Setup some colors to use. These need to work in fairly limited shells, like the Ubuntu Docker container where there are only 8 colors.
# See if stdout is a terminal
if [ -t 1 ]; then
# see if it supports colors
ncolors=$(tput colors)
if [ -n "$ncolors" ] && [ $ncolors -ge 8 ]; then
bold="$(tput bold || echo)"
normal="$(tput sgr0 || echo)"
black="$(tput setaf 0 || echo)"
red="$(tput setaf 1 || echo)"
green="$(tput setaf 2 || echo)"
yellow="$(tput setaf 3 || echo)"
blue="$(tput setaf 4 || echo)"
magenta="$(tput setaf 5 || echo)"
cyan="$(tput setaf 6 || echo)"
white="$(tput setaf 7 || echo)"
fi
fi
say_err() {
printf "%b\n" "${red:-}dotnet_install: Error: $1${normal:-}" >&2
}
say() {
# using stream 3 (defined in the beginning) to not interfere with stdout of functions
# which may be used as return value
printf "%b\n" "${cyan:-}dotnet-install:${normal:-} $1" >&3
}
say_verbose() {
if [ "$verbose" = true ]; then
say "$1"
fi
}
get_os_download_name_from_platform() {
eval $invocation
platform="$1"
case "$platform" in
"centos.7")
echo "centos"
return 0
;;
"debian.8")
echo "debian"
return 0
;;
"fedora.23")
echo "fedora.23"
return 0
;;
"fedora.24")
echo "fedora.24"
return 0
;;
"opensuse.13.2")
echo "opensuse.13.2"
return 0
;;
"opensuse.42.1")
echo "opensuse.42.1"
return 0
;;
"rhel.7"*)
echo "rhel"
return 0
;;
"ubuntu.14.04")
echo "ubuntu"
return 0
;;
"ubuntu.16.04")
echo "ubuntu.16.04"
return 0
;;
"ubuntu.16.10")
echo "ubuntu.16.10"
return 0
;;
"alpine.3.4.3")
echo "alpine"
return 0
;;
esac
return 1
}
get_current_os_name() {
eval $invocation
local uname=$(uname)
if [ "$uname" = "Darwin" ]; then
echo "osx"
return 0
else
if [ "$uname" = "Linux" ]; then
echo "linux"
return 0
fi
fi
say_err "OS name could not be detected: $ID.$VERSION_ID"
return 1
}
get_distro_specific_os_name() {
eval $invocation
local uname=$(uname)
if [ "$uname" = "Darwin" ]; then
echo "osx"
return 0
elif [ -n "$runtime_id" ]; then
echo $(get_os_download_name_from_platform "${runtime_id%-*}" || echo "${runtime_id%-*}")
return 0
else
if [ -e /etc/os-release ]; then
. /etc/os-release
os=$(get_os_download_name_from_platform "$ID.$VERSION_ID" || echo "")
if [ -n "$os" ]; then
echo "$os"
return 0
fi
fi
fi
say_verbose "Distribution specific OS name and version could not be detected: $ID.$VERSION_ID"
return 1
}
machine_has() {
eval $invocation
hash "$1" > /dev/null 2>&1
return $?
}
check_min_reqs() {
local hasMinimum=false
if machine_has "curl"; then
hasMinimum=true
elif machine_has "wget"; then
hasMinimum=true
fi
if [ "$hasMinimum" = "false" ]; then
say_err "curl (recommended) or wget are required to download dotnet. Install missing prerequisite to proceed."
return 1
fi
return 0
}
check_pre_reqs() {
eval $invocation
local failing=false;
if [ "${DOTNET_INSTALL_SKIP_PREREQS:-}" = "1" ]; then
return 0
fi
if [ "$(uname)" = "Linux" ]; then
if ! [ -x "$(command -v ldconfig)" ]; then
echo "ldconfig is not in PATH, trying /sbin/ldconfig."
LDCONFIG_COMMAND="/sbin/ldconfig"
else
LDCONFIG_COMMAND="ldconfig"
fi
[ -z "$($LDCONFIG_COMMAND -p | grep libunwind)" ] && say_err "Unable to locate libunwind. Install libunwind to continue" && failing=true
[ -z "$($LDCONFIG_COMMAND -p | grep libssl)" ] && say_err "Unable to locate libssl. Install libssl to continue" && failing=true
[ -z "$($LDCONFIG_COMMAND -p | grep libicu)" ] && say_err "Unable to locate libicu. Install libicu to continue" && failing=true
fi
if [ "$failing" = true ]; then
return 1
fi
return 0
}
# args:
# input - $1
to_lowercase() {
#eval $invocation
echo "$1" | tr '[:upper:]' '[:lower:]'
return 0
}
# args:
# input - $1
remove_trailing_slash() {
#eval $invocation
local input=${1:-}
echo "${input%/}"
return 0
}
# args:
# input - $1
remove_beginning_slash() {
#eval $invocation
local input=${1:-}
echo "${input#/}"
return 0
}
# args:
# root_path - $1
# child_path - $2 - this parameter can be empty
combine_paths() {
eval $invocation
# TODO: Consider making it work with any number of paths. For now:
if [ ! -z "${3:-}" ]; then
say_err "combine_paths: Function takes two parameters."
return 1
fi
local root_path=$(remove_trailing_slash $1)
local child_path=$(remove_beginning_slash ${2:-})
say_verbose "combine_paths: root_path=$root_path"
say_verbose "combine_paths: child_path=$child_path"
echo "$root_path/$child_path"
return 0
}
get_machine_architecture() {
eval $invocation
# Currently the only one supported
echo "x64"
return 0
}
# args:
# architecture - $1
get_normalized_architecture_from_architecture() {
eval $invocation
local architecture=$(to_lowercase $1)
case $architecture in
\<auto\>)
echo "$(get_normalized_architecture_from_architecture $(get_machine_architecture))"
return 0
;;
amd64|x64)
echo "x64"
return 0
;;
x86)
say_err "Architecture \`x86\` currently not supported"
return 1
;;
esac
say_err "Architecture \`$architecture\` not supported. If you think this is a bug, please report it at https://github.com/dotnet/cli/issues"
return 1
}
# version_info is a conceptual two line string representing commit hash and 4-part version
# format:
# Line 1: # commit_hash
# Line 2: # 4-part version
# args:
# version_text - stdin
get_version_from_version_info() {
eval $invocation
cat | tail -n 1
return 0
}
# args:
# version_text - stdin
get_commit_hash_from_version_info() {
eval $invocation
cat | head -n 1
return 0
}
# args:
# install_root - $1
# relative_path_to_package - $2
# specific_version - $3
is_dotnet_package_installed() {
eval $invocation
local install_root=$1
local relative_path_to_package=$2
local specific_version=${3//[$'\t\r\n']}
local dotnet_package_path=$(combine_paths $(combine_paths $install_root $relative_path_to_package) $specific_version)
say_verbose "is_dotnet_package_installed: dotnet_package_path=$dotnet_package_path"
if [ -d "$dotnet_package_path" ]; then
return 0
else
return 1
fi
}
# args:
# azure_feed - $1
# channel - $2
# normalized_architecture - $3
get_latest_version_info() {
eval $invocation
local azure_feed=$1
local channel=$2
local normalized_architecture=$3
local coherent=$4
local version_file_url=null
if [ "$shared_runtime" = true ]; then
version_file_url="$uncached_feed/Runtime/$channel/latest.version"
else
if [ "$coherent" = true ]; then
version_file_url="$uncached_feed/Sdk/$channel/latest.coherent.version"
else
version_file_url="$uncached_feed/Sdk/$channel/latest.version"
fi
fi
say_verbose "get_latest_version_info: latest url: $version_file_url"
download $version_file_url
return $?
}
# args:
# azure_feed - $1
# channel - $2
# normalized_architecture - $3
# version - $4
get_specific_version_from_version() {
eval $invocation
local azure_feed=$1
local channel=$2
local normalized_architecture=$3
local version=$(to_lowercase $4)
case $version in
latest)
local version_info
version_info="$(get_latest_version_info $azure_feed $channel $normalized_architecture false)" || return 1
say_verbose "get_specific_version_from_version: version_info=$version_info"
echo "$version_info" | get_version_from_version_info
return 0
;;
coherent)
local version_info
version_info="$(get_latest_version_info $azure_feed $channel $normalized_architecture true)" || return 1
say_verbose "get_specific_version_from_version: version_info=$version_info"
echo "$version_info" | get_version_from_version_info
return 0
;;
*)
echo $version
return 0
;;
esac
}
# args:
# azure_feed - $1
# channel - $2
# normalized_architecture - $3
# specific_version - $4
construct_download_link() {
eval $invocation
local azure_feed=$1
local channel=$2
local normalized_architecture=$3
local specific_version=${4//[$'\t\r\n']}
local osname
osname=$(get_current_os_name) || return 1
local download_link=null
if [ "$shared_runtime" = true ]; then
download_link="$azure_feed/Runtime/$specific_version/dotnet-runtime-$specific_version-$osname-$normalized_architecture.tar.gz"
else
download_link="$azure_feed/Sdk/$specific_version/dotnet-sdk-$specific_version-$osname-$normalized_architecture.tar.gz"
fi
echo "$download_link"
return 0
}
# args:
# azure_feed - $1
# channel - $2
# normalized_architecture - $3
# specific_version - $4
construct_legacy_download_link() {
eval $invocation
local azure_feed=$1
local channel=$2
local normalized_architecture=$3
local specific_version=${4//[$'\t\r\n']}
local distro_specific_osname
distro_specific_osname=$(get_distro_specific_os_name) || return 1
local legacy_download_link=null
if [ "$shared_runtime" = true ]; then
legacy_download_link="$azure_feed/Runtime/$specific_version/dotnet-$distro_specific_osname-$normalized_architecture.$specific_version.tar.gz"
else
legacy_download_link="$azure_feed/Sdk/$specific_version/dotnet-dev-$distro_specific_osname-$normalized_architecture.$specific_version.tar.gz"
fi
echo "$legacy_download_link"
return 0
}
get_user_install_path() {
eval $invocation
if [ ! -z "${DOTNET_INSTALL_DIR:-}" ]; then
echo $DOTNET_INSTALL_DIR
else
echo "$HOME/.dotnet"
fi
return 0
}
# args:
# install_dir - $1
resolve_installation_path() {
eval $invocation
local install_dir=$1
if [ "$install_dir" = "<auto>" ]; then
local user_install_path=$(get_user_install_path)
say_verbose "resolve_installation_path: user_install_path=$user_install_path"
echo "$user_install_path"
return 0
fi
echo "$install_dir"
return 0
}
# args:
# install_root - $1
get_installed_version_info() {
eval $invocation
local install_root=$1
local version_file=$(combine_paths "$install_root" "$local_version_file_relative_path")
say_verbose "Local version file: $version_file"
if [ ! -z "$version_file" ] | [ -r "$version_file" ]; then
local version_info="$(cat $version_file)"
echo "$version_info"
return 0
fi
say_verbose "Local version file not found."
return 0
}
# args:
# relative_or_absolute_path - $1
get_absolute_path() {
eval $invocation
local relative_or_absolute_path=$1
echo $(cd $(dirname "$1") && pwd -P)/$(basename "$1")
return 0
}
# args:
# input_files - stdin
# root_path - $1
# out_path - $2
# override - $3
copy_files_or_dirs_from_list() {
eval $invocation
local root_path=$(remove_trailing_slash $1)
local out_path=$(remove_trailing_slash $2)
local override=$3
local override_switch=$(if [ "$override" = false ]; then printf -- "-n"; fi)
cat | uniq | while read -r file_path; do
local path=$(remove_beginning_slash ${file_path#$root_path})
local target=$out_path/$path
if [ "$override" = true ] || (! ([ -d "$target" ] || [ -e "$target" ])); then
mkdir -p $out_path/$(dirname $path)
cp -R $override_switch $root_path/$path $target
fi
done
}
# args:
# zip_path - $1
# out_path - $2
extract_dotnet_package() {
eval $invocation
local zip_path=$1
local out_path=$2
local temp_out_path=$(mktemp -d $temporary_file_template)
local failed=false
tar -xzf "$zip_path" -C "$temp_out_path" > /dev/null || failed=true
local folders_with_version_regex='^.*/[0-9]+\.[0-9]+[^/]+/'
find $temp_out_path -type f | grep -Eo $folders_with_version_regex | copy_files_or_dirs_from_list $temp_out_path $out_path false
find $temp_out_path -type f | grep -Ev $folders_with_version_regex | copy_files_or_dirs_from_list $temp_out_path $out_path true
rm -rf $temp_out_path
if [ "$failed" = true ]; then
say_err "Extraction failed"
return 1
fi
}
# args:
# remote_path - $1
# [out_path] - $2 - stdout if not provided
download() {
eval $invocation
local remote_path=$1
local out_path=${2:-}
local failed=false
if machine_has "curl"; then
downloadcurl $remote_path $out_path || failed=true
elif machine_has "wget"; then
downloadwget $remote_path $out_path || failed=true
else
failed=true
fi
if [ "$failed" = true ]; then
say_verbose "Download failed: $remote_path"
return 1
fi
return 0
}
downloadcurl() {
eval $invocation
local remote_path=$1
local out_path=${2:-}
local failed=false
if [ -z "$out_path" ]; then
curl --retry 10 -sSL -f --create-dirs $remote_path || failed=true
else
curl --retry 10 -sSL -f --create-dirs -o $out_path $remote_path || failed=true
fi
if [ "$failed" = true ]; then
say_verbose "Curl download failed"
return 1
fi
return 0
}
downloadwget() {
eval $invocation
local remote_path=$1
local out_path=${2:-}
local failed=false
if [ -z "$out_path" ]; then
wget -q --tries 10 $remote_path || failed=true
else
wget -v --tries 10 -O $out_path $remote_path || failed=true
fi
if [ "$failed" = true ]; then
say_verbose "Wget download failed"
return 1
fi
return 0
}
calculate_vars() {
eval $invocation
valid_legacy_download_link=true
normalized_architecture=$(get_normalized_architecture_from_architecture "$architecture")
say_verbose "normalized_architecture=$normalized_architecture"
specific_version=$(get_specific_version_from_version $azure_feed $channel $normalized_architecture $version)
say_verbose "specific_version=$specific_version"
if [ -z "$specific_version" ]; then
say_err "Could not get version information."
return 1
fi
download_link=$(construct_download_link $azure_feed $channel $normalized_architecture $specific_version)
say_verbose "download_link=$download_link"
legacy_download_link=$(construct_legacy_download_link $azure_feed $channel $normalized_architecture $specific_version) || valid_legacy_download_link=false
if [ "$valid_legacy_download_link" = true ]; then
say_verbose "legacy_download_link=$legacy_download_link"
else
say_verbose "Cound not construct a legacy_download_link; omitting..."
fi
install_root=$(resolve_installation_path $install_dir)
say_verbose "install_root=$install_root"
}
install_dotnet() {
eval $invocation
local download_failed=false
if is_dotnet_package_installed $install_root "sdk" $specific_version; then
say ".NET SDK version $specific_version is already installed."
return 0
fi
mkdir -p $install_root
zip_path=$(mktemp $temporary_file_template)
say_verbose "Zip path: $zip_path"
say "Downloading link: $download_link"
download "$download_link" $zip_path || download_failed=true
# if the download fails, download the legacy_download_link
if [ "$download_failed" = true ] && [ "$valid_legacy_download_link" = true ]; then
say "Cannot download: $download_link"
download_link=$legacy_download_link
zip_path=$(mktemp $temporary_file_template)
say_verbose "Legacy zip path: $zip_path"
say "Downloading legacy link: $download_link"
download "$download_link" $zip_path
fi
say "Extracting zip from $download_link"
extract_dotnet_package $zip_path $install_root
return 0
}
local_version_file_relative_path="/.version"
bin_folder_relative_path=""
temporary_file_template="${TMPDIR:-/tmp}/dotnet.XXXXXXXXX"
channel="LTS"
version="Latest"
install_dir="<auto>"
architecture="<auto>"
dry_run=false
no_path=false
azure_feed="https://dotnetcli.azureedge.net/dotnet"
uncached_feed="https://dotnetcli.blob.core.windows.net/dotnet"
verbose=false
shared_runtime=false
runtime_id=""
while [ $# -ne 0 ]
do
name=$1
case $name in
-c|--channel|-[Cc]hannel)
shift
channel=$1
;;
-v|--version|-[Vv]ersion)
shift
version="$1"
;;
-i|--install-dir|-[Ii]nstall[Dd]ir)
shift
install_dir="$1"
;;
--arch|--architecture|-[Aa]rch|-[Aa]rchitecture)
shift
architecture="$1"
;;
--shared-runtime|-[Ss]hared[Rr]untime)
shared_runtime=true
;;
--dry-run|-[Dd]ry[Rr]un)
dry_run=true
;;
--no-path|-[Nn]o[Pp]ath)
no_path=true
;;
--verbose|-[Vv]erbose)
verbose=true
;;
--azure-feed|-[Aa]zure[Ff]eed)
shift
azure_feed="$1"
;;
--uncached-feed|-[Uu]ncached[Ff]eed)
shift
uncached_feed="$1"
;;
--runtime-id|-[Rr]untime[Ii]d)
shift
runtime_id="$1"
;;
-?|--?|-h|--help|-[Hh]elp)
script_name="$(basename $0)"
echo ".NET Tools Installer"
echo "Usage: $script_name [-c|--channel <CHANNEL>] [-v|--version <VERSION>] [-p|--prefix <DESTINATION>]"
echo " $script_name -h|-?|--help"
echo ""
echo "$script_name is a simple command line interface for obtaining dotnet cli."
echo ""
echo "Options:"
echo " -c,--channel <CHANNEL> Download from the CHANNEL specified, Defaults to \`$channel\`."
echo " -Channel"
echo " Possible values:"
echo " - Current - most current release"
echo " - LTS - most current supported release"
echo " - 2-part version in a format A.B - represents a specific release"
echo " examples: 2.0; 1.0"
echo " - Branch name"
echo " examples: release/2.0.0; Master"
echo " -v,--version <VERSION> Use specific VERSION, Defaults to \`$version\`."
echo " -Version"
echo " Possible values:"
echo " - latest - most latest build on specific channel"
echo " - coherent - most latest coherent build on specific channel"
echo " coherent applies only to SDK downloads"
echo " - 3-part version in a format A.B.C - represents specific version of build"
echo " examples: 2.0.0-preview2-006120; 1.1.0"
echo " -i,--install-dir <DIR> Install under specified location (see Install Location below)"
echo " -InstallDir"
echo " --architecture <ARCHITECTURE> Architecture of .NET Tools. Currently only x64 is supported."
echo " --arch,-Architecture,-Arch"
echo " --shared-runtime Installs just the shared runtime bits, not the entire SDK."
echo " -SharedRuntime"
echo " --dry-run,-DryRun Do not perform installation. Display download link."
echo " --no-path, -NoPath Do not set PATH for the current process."
echo " --verbose,-Verbose Display diagnostics information."
echo " --azure-feed,-AzureFeed Azure feed location. Defaults to $azure_feed, This parameter typically is not changed by the user."
echo " --uncached-feed,-UncachedFeed Uncached feed location. This parameter typically is not changed by the user."
echo " --runtime-id Installs the .NET Tools for the given platform (use linux-x64 for portable linux)."
echo " -RuntimeId"
echo " -?,--?,-h,--help,-Help Shows this help message"
echo ""
echo "Install Location:"
echo " Location is chosen in following order:"
echo " - --install-dir option"
echo " - Environmental variable DOTNET_INSTALL_DIR"
echo " - $HOME/.dotnet"
exit 0
;;
*)
say_err "Unknown argument \`$name\`"
exit 1
;;
esac
shift
done
check_min_reqs
calculate_vars
if [ "$dry_run" = true ]; then
say "Payload URL: $download_link"
if [ "$valid_legacy_download_link" = true ]; then
say "Legacy payload URL: $legacy_download_link"
fi
say "Repeatable invocation: ./$(basename $0) --version $specific_version --channel $channel --install-dir $install_dir"
exit 0
fi
check_pre_reqs
install_dotnet
bin_path=$(get_absolute_path $(combine_paths $install_root $bin_folder_relative_path))
if [ "$no_path" = false ]; then
say "Adding to current process PATH: \`$bin_path\`. Note: This change will be visible only when sourcing script."
export PATH=$bin_path:$PATH
else
say "Binaries of dotnet can be found in $bin_path"
fi
say "Installation finished successfully."