Only get build ID if executable path is not supplied. (#2801)

* Only get build ID if executable path is not supplied.

fixes #2800

* Update version to 20.0.2

Author: AshIzat

lib/PuppeteerSharp/Launcher.cs

@@ -51,14 +51,19 @@ public async Task<IBrowser> LaunchAsync(LaunchOptions options)
 
             EnsureSingleLaunchOrConnect();
             _browser = options.Browser;
-            var buildId = options.Browser switch
+
+            var executable = options.ExecutablePath;
+            if (executable == null)
             {
-                SupportedBrowser.Firefox => await Firefox.GetDefaultBuildIdAsync().ConfigureAwait(false),
-                SupportedBrowser.Chrome or SupportedBrowser.ChromeHeadlessShell => Chrome.DefaultBuildId,
-                SupportedBrowser.Chromium => await Chromium.ResolveBuildIdAsync(BrowserFetcher.GetCurrentPlatform()).ConfigureAwait(false),
-                _ => throw new ArgumentException("Invalid browser"),
-            };
-            var executable = options.ExecutablePath ?? GetExecutablePath(options, buildId);
+                var buildId = options.Browser switch
+                {
+                    SupportedBrowser.Firefox => await Firefox.GetDefaultBuildIdAsync().ConfigureAwait(false),
+                    SupportedBrowser.Chrome or SupportedBrowser.ChromeHeadlessShell => Chrome.DefaultBuildId,
+                    SupportedBrowser.Chromium => await Chromium.ResolveBuildIdAsync(BrowserFetcher.GetCurrentPlatform()).ConfigureAwait(false),
+                    _ => throw new ArgumentException("Invalid browser"),
+                };
+                executable = GetExecutablePath(options, buildId);
+            }
 
             Process = options.Browser switch
             {

lib/PuppeteerSharp/PuppeteerSharp.csproj

@@ -12,10 +12,10 @@
     <Description>Headless Browser .NET API</Description>
     <PackageId>PuppeteerSharp</PackageId>
     <PackageReleaseNotes></PackageReleaseNotes>
-    <PackageVersion>20.0.2</PackageVersion>
-    <ReleaseVersion>20.0.2</ReleaseVersion>
-    <AssemblyVersion>20.0.2</AssemblyVersion>
-    <FileVersion>20.0.2</FileVersion>
+    <PackageVersion>20.0.3</PackageVersion>
+    <ReleaseVersion>20.0.3</ReleaseVersion>
+    <AssemblyVersion>20.0.3</AssemblyVersion>
+    <FileVersion>20.0.3</FileVersion>
     <SynchReleaseVersion>false</SynchReleaseVersion>
     <StyleCopTreatErrorsAsWarnings>false</StyleCopTreatErrorsAsWarnings>
     <DebugType>embedded</DebugType>