Only set path in x64 mac installer when installing on x64

eng/Version.Details.xml

@@ -54,6 +54,10 @@
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>fa4a48044d33222537e6dbd000f8a2adaa7a15c7</Sha>
     </Dependency>
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="7.0.0-beta.21459.5">
+      <Uri>https://github.com/dotnet/arcade</Uri>
+      <Sha>fa4a48044d33222537e6dbd000f8a2adaa7a15c7</Sha>
+    </Dependency>
     <Dependency Name="Microsoft.DotNet.Build.Tasks.Workloads" Version="7.0.0-beta.21459.5">
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>fa4a48044d33222537e6dbd000f8a2adaa7a15c7</Sha>

eng/Versions.props

@@ -62,7 +62,8 @@
     <MicrosoftDotNetXUnitConsoleRunnerVersion>2.5.1-beta.21459.5</MicrosoftDotNetXUnitConsoleRunnerVersion>
     <MicrosoftDotNetBuildTasksArchivesVersion>7.0.0-beta.21459.5</MicrosoftDotNetBuildTasksArchivesVersion>
     <MicrosoftDotNetBuildTasksInstallersVersion>7.0.0-beta.21459.5</MicrosoftDotNetBuildTasksInstallersVersion>
-    <MicrosoftDotNetBuildTasksPackagingVersion>7.0.0-beta.21459.5</MicrosoftDotNetBuildTasksPackagingVersion>
+    <MicrosoftDotNetBuildTasksPackagingVersion>7.0.0-beta.21459.5</MicrosoftDotNetBuildTasksPackagingVersion>    
+    <MicrosoftDotNetBuildTasksTemplatingVersion>7.0.0-beta.21459.5</MicrosoftDotNetBuildTasksTemplatingVersion>
     <MicrosoftDotNetBuildTasksWorkloadsPackageVersion>7.0.0-beta.21459.5</MicrosoftDotNetBuildTasksWorkloadsPackageVersion>
     <MicrosoftDotNetRemoteExecutorVersion>7.0.0-beta.21459.5</MicrosoftDotNetRemoteExecutorVersion>
     <MicrosoftDotNetVersionToolsTasksVersion>7.0.0-beta.21459.5</MicrosoftDotNetVersionToolsTasksVersion>

src/installer/pkg/sfx/installers/dotnet-host.proj

@@ -15,7 +15,7 @@
     <UseBrandingNameInLinuxPackageDescription>true</UseBrandingNameInLinuxPackageDescription>
     <MacOSComponentNamePackType>sharedhost</MacOSComponentNamePackType>
     <IncludeVersionInMacOSComponentName>false</IncludeVersionInMacOSComponentName>
-    <MacOSScriptsDirectory>osx_scripts/host</MacOSScriptsDirectory>
+    <MacOSScriptsTemplateDirectory>osx_scripts/host</MacOSScriptsTemplateDirectory>
     <MacOSPackageDescription>The .NET Shared Host.</MacOSPackageDescription>
     <RpmScriptsDirectory>$(MSBuildThisFileDirectory)rpm_scripts/host</RpmScriptsDirectory>
     <RpmAfterInstallScript>$(RpmScriptsDirectory)/after_install.sh</RpmAfterInstallScript>
@@ -78,4 +78,35 @@
       <RpmJsonProperty Include="@(PackageConflictsProperty)" />
     </ItemGroup>
   </Target>
+
+  <PropertyGroup>
+    <_MacOSIntermediatesPath>$(IntermediateOutputPath)macos/</_MacOSIntermediatesPath>
+    <!-- CreatePkg depends on this property being set.-->
+    <MacOSScriptsDirectory>$(_MacOSIntermediatesPath)scripts</MacOSScriptsDirectory>
+  </PropertyGroup>
+  <ItemGroup>
+    <_MacOSScript Include="$(MacOSScriptsTemplateDirectory)/*" Destination="$(MacOSScriptsDirectory)/%(FileName)%(Extension)"/>
+  </ItemGroup>
+  <Target Name="ReplaceTemplateParametersInMacOsScripts" 
+          Inputs="@(_MacOSScript)"
+          Outputs="@(_MacOSScript->'%(Destination)')"
+          DependsOnTargets="_GetInstallerProperties"
+          BeforeTargets="CreatePkg">
+
+    <PropertyGroup>
+      <_UnameMachineRegex>$(InstallerTargetArchitecture)</_UnameMachineRegex>
+      <_UnameMachineRegex Condition="'$(InstallerTargetArchitecture)' == 'x64'">x64|x86_x64</_UnameMachineRegex>
+      <_MacOSScriptsTemplateProperties>InstallerTargetArchitecture=$(InstallerTargetArchitecture);UnameMachineRegex=$(_UnameMachineRegex)</_MacOSScriptsTemplateProperties>
+    </PropertyGroup>
+
+    <GenerateFileFromTemplate TemplateFile="@(_MacOSScript)" 
+                              OutputPath="@(_MacOSScript->'%(Destination)')"
+                              Properties="$(_MacOSScriptsTemplateProperties)">
+      <Output TaskParameter="ResolvedOutputPath" ItemName="FileWrites" />
+    </GenerateFileFromTemplate>
+  </Target>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.DotNet.Build.Tasks.Templating" Version="$(MicrosoftDotNetBuildTasksTemplatingVersion)" />
+  </ItemGroup>
 </Project>

src/installer/pkg/sfx/installers/dotnet-hostfxr.proj

@@ -14,7 +14,6 @@
     <OutputFilesCandleVariable>HostFxrSrc</OutputFilesCandleVariable>
     <UseBrandingNameInLinuxPackageDescription>true</UseBrandingNameInLinuxPackageDescription>
     <MacOSComponentNamePackType>hostfxr</MacOSComponentNamePackType>
-    <MacOSScriptsDirectory>osx_scripts/hostfxr</MacOSScriptsDirectory>
     <MacOSPackageDescription>The .NET HostFxr</MacOSPackageDescription>
   </PropertyGroup>
 

src/installer/pkg/sfx/installers/osx_scripts/host/postinstall

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Licensed to the .NET Foundation under one or more agreements.
 # The .NET Foundation licenses this file to you under the MIT license.
@@ -10,9 +10,21 @@ INSTALL_DESTINATION=$2
 # A temporary fix for the permissions issue(s)
 chmod 755 $INSTALL_DESTINATION/dotnet
 
-# Add the installation directory to the system-wide paths
-# But first create the directory if it doesn't exist
-mkdir -p /etc/paths.d
-echo $INSTALL_DESTINATION | tee /etc/paths.d/dotnet
+if [ -e /etc/dotnet/install_location ]; then
+    # clear out any entries for this architecture if they exist
+    sed -i old '/^${InstallerTargetArchitecture}=/d' /etc/dotnet/install_location
+else
+    mkdir -p /etc/dotnet    
+fi
+
+echo ${InstallerTargetArchitecture}=$INSTALL_DESTINATION | tee -a /etc/dotnet/install_location
+
+# if we're running on the native architecture
+if [[ "$(uname -m)" =~ "${UnameMachineRegex}" ]]; then
+    # Add the installation directory to the system-wide paths
+    # But first create the directory if it doesn't exist
+    mkdir -p /etc/paths.d
+    echo $INSTALL_DESTINATION | tee /etc/paths.d/dotnet
+fi
 
 exit 0