1 files changed, 87 insertions, 0 deletions
diff --git a/eng/common/dotnet-install.sh b/eng/common/dotnet-install.sh
new file mode 100644
index 0000000..abd045a
--- /dev/null
+++ b/eng/common/dotnet-install.sh
@@ -0,0 +1,87 @@
+#!/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 "$1" | tr "[:upper:]" "[:lower:]")"
+  case "$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: $1"
+      exit 1
+      ;;
+  esac
+  shift
+done
+
+# Use uname to determine what the CPU is, see https://en.wikipedia.org/wiki/Uname#Examples
+cpuname=$(uname -m)
+case $cpuname in
+  arm64|aarch64)
+    buildarch=arm64
+    ;;
+  loongarch64)
+    buildarch=loongarch64
+    ;;
+  amd64|x86_64)
+    buildarch=x64
+    ;;
+  armv*l)
+    buildarch=arm
+    ;;
+  i[3-6]86)
+    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