Unify command line arg for portable RID build (#10408)

3 files changed, 8 insertions, 2 deletions

diff --git a/build.cmd b/build.cmd
index 13c3fb4a66..859eac7b1c 100644
--- a/build.cmd
+++ b/build.cmd
@@ -118,7 +118,7 @@ if /i "%1" == "debug"               (set __BuildTypeDebug=1&set processedArgs=!p
 if /i "%1" == "checked"             (set __BuildTypeChecked=1&set processedArgs=!processedArgs! %1&shift&goto Arg_Loop)
 if /i "%1" == "release"             (set __BuildTypeRelease=1&set processedArgs=!processedArgs! %1&shift&goto Arg_Loop)
 
-if /i "%1" == "portable"             (set __IsPortableBuild=-portable&set processedArgs=!processedArgs! %1&shift&goto Arg_Loop)
+if /i "%1" == "-portable"             (set __IsPortableBuild=-portable&set processedArgs=!processedArgs! %1&shift&goto Arg_Loop)
 
 REM All arguments after this point will be passed through directly to build.cmd on nested invocations
 REM using the "all" argument, and must be added to the __PassThroughArgs variable.
diff --git a/build.sh b/build.sh
index 7c5f55bf5c..e97fbb00a5 100755
--- a/build.sh
+++ b/build.sh
@@ -634,7 +634,7 @@ while :; do
             __CrossBuild=1
             ;;
             
-        portable)
+        -portable)
             __PortableBuild=1
             ;;
 
diff --git a/config.json b/config.json
index f0780ed111..9d98a2ee20 100644
--- a/config.json
+++ b/config.json
@@ -621,6 +621,12 @@
             "__BuildArch": "default"
           }
         },
+        "portable": {
+          "description": "Triggers a portable build.",
+          "settings": {
+            "PortableBuild": "1"
+          }
+        },
         "buildType": {
           "description": "Specifies configuration to publish, can be Release, Debug or Checked.",
           "settings": {