[skip ci] Idempotence code installation check for install via apt

src/main/kotlin/org/domaindrivenarchitecture/provs/extensions/workplace/base/VSCode.kt

@@ -3,6 +3,7 @@ package org.domaindrivenarchitecture.provs.extensions.workplace.base
 import org.domaindrivenarchitecture.provs.core.Prov
 import org.domaindrivenarchitecture.provs.core.ProvResult
 import org.domaindrivenarchitecture.provs.ubuntu.install.base.aptInstall
+import org.domaindrivenarchitecture.provs.ubuntu.install.base.isPackageInstalled
 
 
 fun Prov.installVSC(vararg options: String) = requireAll {
@@ -31,19 +32,21 @@ private fun Prov.prerequisitesVSCinstall() = def {
 
 
 @Suppress("unused") // only required for installation of vscode via apt
-private fun Prov.configurePackageManagerForVsc() = requireAll {
+private fun Prov.installVscWithApt() = requireAll {
+    val packageName = "code"
+    if (!isPackageInstalled(packageName)) {
         // see https://code.visualstudio.com/docs/setup/linux
         // alternatively install with snapd (but this cannot be tested within docker as snapd within docker is not working/supported)
-
-    sh(
-        """
+        sh("""
             curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > packages.microsoft.gpg
             sudo install -o root -g root -m 644 packages.microsoft.gpg /etc/apt/trusted.gpg.d/
             sudo sh -c 'echo \"deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/packages.microsoft.gpg] https://packages.microsoft.com/repos/vscode stable main\" > /etc/apt/sources.list.d/vscode.list'
-    """
-    )
+        """)
         aptInstall("apt-transport-https")
-    aptInstall("code")
+        aptInstall(packageName)
+    } else {
+        ProvResult(true, out = "Package $packageName already installed.")
+    }
 }
 
 
@@ -51,9 +54,7 @@ private fun Prov.installVSCPackage() = def {
     cmd("sudo snap install code --classic")
 
     // to install via apt use:
-    //    configurePackageManagerForVsc()
-    //    aptInstall("code")
-
+    //    installVscWithApt()
 }