fix snapStart config issue

Author: arturopala

.github/workflows/buildAndDeployLambda.yaml

@@ -7,7 +7,7 @@ on:
         type: choice
         description: 'What runtime to use?'
         required: true
-        default: 'graalvm'
+        default: 'custom native-package'
         options:
           - 'custom native-package'
           - 'custom assembly'
@@ -24,6 +24,7 @@ on:
 
 env:
   AWS_CLIENT_DEBUG_MODE: ON
+  default-runtime: 'custom native-package'
 
 permissions:
   id-token: write # This is required for requesting the JWT
@@ -52,19 +53,19 @@ jobs:
       - name: Show changelog
         run: echo "CHANGELOG=$(git log --pretty='%h %al %B' ${{ github.event.before }}..${{ github.sha }})" | tr -d "\n\r\'" | cut -c -256 >> "$GITHUB_ENV"
       - name: Run the script (custom runtime with native-package)
-        if: ${{ github.event_name == 'push' || inputs.runtime == 'custom native-package' }}
+        if: ${{ (github.event_name == 'push' && env.default-runtime == 'custom native-package') || inputs.runtime == 'custom native-package' }}
         run:  ./scripts/buildAndDeployLambdaNativePackage.sh 64m '${{ env.CHANGELOG }}'
         shell: bash
       - name: Run the script (custom runtime with assembly.jar)
-        if: ${{ inputs.runtime == 'custom assembly' }}
+        if: ${{ (github.event_name == 'push' && env.default-runtime == 'custom assembly') || inputs.runtime == 'custom assembly' }}
         run:  ./scripts/buildAndDeployLambdaAssembly.sh '${{ env.CHANGELOG }}' 'assembly'
         shell: bash
       - name: Run the script (java21 runtime without snapstart)
-        if: ${{ inputs.runtime == 'java21 pure' }}
+        if: ${{ (github.event_name == 'push' && env.default-runtime == 'java21 pure') || inputs.runtime == 'java21 pure' }}
         run:  ./scripts/buildAndDeployLambdaAssembly.sh '${{ env.CHANGELOG }}' 'pure'
         shell: bash
       - name: Run the script (java21 runtime with snapstart)
-        if: ${{ inputs.runtime == 'java21 snapstart' }}
+        if: ${{ (github.event_name == 'push' && env.default-runtime == 'java21 snapstart') || inputs.runtime == 'java21 snapstart' }}
         run:  ./scripts/buildAndDeployLambdaAssembly.sh '${{ env.CHANGELOG }}' 'snapstart'
         shell: bash
 

scripts/deployLambda.sc

@@ -57,13 +57,16 @@ val memorySize: Option[Int] =
 val timeout: Option[Int] =
   optionalScriptParameter('t', "timeout")(args).flatMap(_.toIntOption)
 
-val snapStart: Option[SnapStart] =
+val snapStart: SnapStart =
   optionalScriptParameter('j', "javastart")(args)
     .flatMap {
       case "snapstart" => Some(SnapStart.builder().applyOn(SnapStartApplyOn.PUBLISHED_VERSIONS).build())
       case "pure"      => Some(SnapStart.builder().applyOn(SnapStartApplyOn.NONE).build())
       case _           => None
     }
+    .getOrElse(
+      SnapStart.builder().applyOn(SnapStartApplyOn.NONE).build()
+    )
 
 if (!os.exists(lambdaDeploymentConfigPath)) {
   println(
@@ -143,7 +146,7 @@ if (function.codeSha256() == checksumSHA256) then {
     || handler.orElse(config.handler).exists(_ != function.handler())
     || memorySize.orElse(config.memorySize).map(Integer.valueOf).exists(_ != function.memorySize())
     || timeout.orElse(config.timeout).map(Integer.valueOf).exists(_ != function.timeout())
-    || snapStart != function.snapStart()
+    || snapStart.applyOn() != function.snapStart().applyOn()
   )
   then
     AwsLambdaApi.updateFunctionConfiguration(