Imported Upstream version 6.12.0.98

Former-commit-id: 066e1c5ebb0cc420bd293e60a01325420779fdd1

external/llvm-project/eng/common/dotnet-install.sh

@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+
+source="${BASH_SOURCE[0]}"
+# resolve $source until the file is no longer a symlink
+while [[ -h "$source" ]]; do
+  scriptroot="$( cd -P "$( dirname "$source" )" && pwd )"
+  source="$(readlink "$source")"
+  # if $source was a relative symlink, we need to resolve it relative to the path where the
+  # symlink file was located
+  [[ $source != /* ]] && source="$scriptroot/$source"
+done
+scriptroot="$( cd -P "$( dirname "$source" )" && pwd )"
+
+. "$scriptroot/tools.sh"
+
+version='Latest'
+architecture=''
+runtime='dotnet'
+runtimeSourceFeed=''
+runtimeSourceFeedKey=''
+while [[ $# > 0 ]]; do
+  opt="$(echo "$1" | awk '{print tolower($0)}')"
+  case "$opt" in
+    -version|-v)
+      shift
+      version="$1"
+      ;;
+    -architecture|-a)
+      shift
+      architecture="$1"
+      ;;
+    -runtime|-r)
+      shift
+      runtime="$1"
+      ;;
+    -runtimesourcefeed)
+      shift
+      runtimeSourceFeed="$1"
+      ;;
+    -runtimesourcefeedkey)
+      shift
+      runtimeSourceFeedKey="$1"
+      ;;
+    *)
+      Write-PipelineTelemetryError -Category 'Build' -Message "Invalid argument: $1"
+      exit 1
+      ;;
+  esac
+  shift
+done
+
+# Use uname to determine what the CPU is.
+cpuname=$(uname -p)
+# Some Linux platforms report unknown for platform, but the arch for machine.
+if [[ "$cpuname" == "unknown" ]]; then
+  cpuname=$(uname -m)
+fi
+
+case $cpuname in
+  aarch64)
+    buildarch=arm64
+    ;;
+  amd64|x86_64)
+    buildarch=x64
+    ;;
+  armv*l)
+    buildarch=arm
+    ;;
+  i686)
+    buildarch=x86
+    ;;
+  *)
+    echo "Unknown CPU $cpuname detected, treating it as x64"
+    buildarch=x64
+    ;;
+esac
+
+dotnetRoot="$repo_root/.dotnet"
+if [[ $architecture != "" ]] && [[ $architecture != $buildarch ]]; then
+  dotnetRoot="$dotnetRoot/$architecture"
+fi
+
+InstallDotNet $dotnetRoot $version "$architecture" $runtime true $runtimeSourceFeed $runtimeSourceFeedKey || {
+  local exit_code=$?
+  Write-PipelineTelemetryError -Category 'InitializeToolset' -Message "dotnet-install.sh failed (exit code '$exit_code')." >&2
+  ExitWithExitCode $exit_code
+}
+
+ExitWithExitCode 0