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Add installer (#1)
* Add installer * Add tests * install-dotnet script should be in externals * merge * Fix tests * Fix naming * Clean up * Feedback
This commit is contained in:
Danny McCormick
GitHub
192
externals/get-os-distro.sh
vendored
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192
externals/get-os-distro.sh
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#!/usr/bin/env bash
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# Copyright (c) .NET Foundation and contributors. All rights reserved.
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# Licensed under the MIT license. See LICENSE file in the project root for full license information.
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#
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# Stop script on NZEC
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set -e
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# Stop script if unbound variable found (use ${var:-} if intentional)
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set -u
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# By default cmd1 | cmd2 returns exit code of cmd2 regardless of cmd1 success
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# This is causing it to fail
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set -o pipefail
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# Use in the the functions: eval $invocation
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invocation='say_verbose "Calling: ${yellow:-}${FUNCNAME[0]} ${green:-}$*${normal:-}"'
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# standard output may be used as a return value in the functions
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# we need a way to write text on the screen in the functions so that
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# it won't interfere with the return value.
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# Exposing stream 3 as a pipe to standard output of the script itself
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exec 3>&1
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say_err() {
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printf "%b\n" "get-os-distro: Error: $1" >&2
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}
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# This platform list is finite - if the SDK/Runtime has supported Linux distribution-specific assets,
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# then and only then should the Linux distribution appear in this list.
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# Adding a Linux distribution to this list does not imply distribution-specific support.
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get_legacy_os_name_from_platform() {
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platform="$1"
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case "$platform" in
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"centos.7")
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echo "centos"
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return 0
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;;
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"debian.8")
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echo "debian"
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return 0
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;;
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"fedora.23")
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echo "fedora.23"
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return 0
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;;
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"fedora.27")
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echo "fedora.27"
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return 0
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;;
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"fedora.24")
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echo "fedora.24"
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return 0
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;;
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"opensuse.13.2")
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echo "opensuse.13.2"
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return 0
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;;
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"opensuse.42.1")
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echo "opensuse.42.1"
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return 0
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;;
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"opensuse.42.3")
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echo "opensuse.42.3"
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return 0
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;;
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"rhel.7"*)
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echo "rhel"
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return 0
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;;
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"ubuntu.14.04")
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echo "ubuntu"
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return 0
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;;
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"ubuntu.16.04")
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echo "ubuntu.16.04"
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return 0
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;;
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"ubuntu.16.10")
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echo "ubuntu.16.10"
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return 0
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;;
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"ubuntu.18.04")
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echo "ubuntu.18.04"
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return 0
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;;
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"alpine.3.4.3")
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echo "alpine"
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return 0
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;;
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esac
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return 1
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}
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get_linux_platform_name() {
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if [ -e /etc/os-release ]; then
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. /etc/os-release
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echo "$ID.$VERSION_ID"
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return 0
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elif [ -e /etc/redhat-release ]; then
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local redhatRelease=$(</etc/redhat-release)
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if [[ $redhatRelease == "CentOS release 6."* || $redhatRelease == "Red Hat Enterprise Linux Server release 6."* ]]; then
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echo "rhel.6"
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return 0
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fi
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fi
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say_err "Linux specific platform name and version could not be detected: UName = $uname"
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return 1
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}
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get_current_os_name() {
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local uname=$(uname)
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if [ "$uname" = "Darwin" ]; then
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echo "mac"
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return 0
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elif [ "$uname" = "Linux" ]; then
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local linux_platform_name
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linux_platform_name="$(get_linux_platform_name)" || { echo "linux" && return 0 ; }
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if [[ $linux_platform_name == "rhel.6" ]]; then
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echo "$linux_platform_name"
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return 0
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elif [[ $linux_platform_name == alpine* ]]; then
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echo "linux-musl"
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return 0
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else
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echo "linux"
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return 0
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fi
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fi
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say_err "OS name could not be detected: UName = $uname"
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return 1
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}
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get_legacy_os_name() {
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local uname=$(uname)
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if [ "$uname" = "Darwin" ]; then
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echo "mac"
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return 0
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else
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if [ -e /etc/os-release ]; then
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. /etc/os-release
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os=$(get_legacy_os_name_from_platform "$ID.$VERSION_ID" || echo "")
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if [ -n "$os" ]; then
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echo "$os"
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return 0
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fi
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fi
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fi
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say_err "Distribution specific OS name and version could not be detected: UName = $uname"
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return 1
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}
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get_machine_architecture() {
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if command -v uname > /dev/null; then
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CPUName=$(uname -m)
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case $CPUName in
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armv7l)
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echo "arm"
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return 0
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;;
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aarch64)
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echo "arm64"
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return 0
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;;
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esac
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fi
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# Always default to 'x64'
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echo "x64"
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return 0
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}
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osName=$(get_current_os_name || echo "")
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legacyOsName=$(get_legacy_os_name || echo "")
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arch=$(get_machine_architecture || echo "")
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primaryName="$osName-$arch"
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legacyName="$legacyOsName"
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echo "Primary:$primaryName"
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echo "Legacy:$legacyName"
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if [ -z "$osName" ] && [ -z "$legacyOsName" ];then
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exit 1
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fi
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