Add -SkipDependencyCheck to cmdlets.

src/code/InstallHelper.cs

@@ -79,6 +79,7 @@ public void InstallPackages(
             string specifiedPath,
             bool asNupkg,
             bool includeXML,
+            bool skipDependencyCheck,
             List<string> pathsToInstallPkg)
         {
             _cmdletPassedIn.WriteVerbose(string.Format("Parameters passed in >>> Name: '{0}'; Version: '{1}'; Prerelease: '{2}'; Repository: '{3}'; " +
@@ -123,7 +124,12 @@ public void InstallPackages(
             }
 
             // Go through the repositories and see which is the first repository to have the pkg version available
-            ProcessRepositories(names, repository, _trustRepository, _credential);
+            ProcessRepositories(
+                packageNames: names,
+                repository: repository,
+                trustRepository: _trustRepository,
+                credential: _credential,
+                skipDependencyCheck: skipDependencyCheck);
         }
 
         #endregion
@@ -135,7 +141,8 @@ private void ProcessRepositories(
             string[] packageNames,
             string[] repository,
             bool trustRepository,
-            PSCredential credential)
+            PSCredential credential,
+            bool skipDependencyCheck)
         {
             var listOfRepositories = RepositorySettings.Read(repository, out string[] _);
             List<string> pckgNamesToInstall = packageNames.ToList();
@@ -185,7 +192,7 @@ private void ProcessRepositories(
                     tag: null,
                     repository: new string[] { repoName },
                     credential: credential,
-                    includeDependencies: true);
+                    includeDependencies: !skipDependencyCheck);
 
                 if (!pkgsFromRepoToInstall.Any())
                 {

src/code/InstallPSResource.cs

@@ -15,7 +15,6 @@ namespace Microsoft.PowerShell.PowerShellGet.Cmdlets
     /// The Install-PSResource cmdlet installs a resource.
     /// It returns nothing.
     /// </summary>
-
     [Cmdlet(VerbsLifecycle.Install, "PSResource", DefaultParameterSetName = "NameParameterSet", SupportsShouldProcess = true)]
     public sealed
     class InstallPSResource : PSCmdlet
@@ -106,6 +105,13 @@ class InstallPSResource : PSCmdlet
         [ValidateNotNullOrEmpty]
         public PSResourceInfo InputObject { get; set; }
 
+        /// <summary>
+        /// Skips the check for resource dependencies, so that only found resources are installed,
+        /// and not any resources the found resource depends on.
+        /// </summary>
+        [Parameter]
+        public SwitchParameter SkipDependencyCheck { get; set; }
+
         #endregion
 
         #region Members
@@ -250,6 +256,7 @@ private void ProcessInstallHelper(string[] pkgNames, bool pkgPrerelease, string[
                 specifiedPath: null,
                 asNupkg: false,
                 includeXML: true,
+                skipDependencyCheck: SkipDependencyCheck,
                 pathsToInstallPkg: _pathsToInstallPkg);
         }
 

src/code/SavePSResource.cs

@@ -123,6 +123,13 @@ public string Path
         [ValidateNotNullOrEmpty]
         public PSResourceInfo InputObject { get; set; }
 
+        /// <summary>
+        /// Skips the check for resource dependencies, so that only found resources are saved,
+        /// and not any resources the found resource depends on.
+        /// </summary>
+        [Parameter]
+        public SwitchParameter SkipDependencyCheck { get; set; }
+
         #endregion
 
         #region Method overrides
@@ -243,7 +250,8 @@ private void ProcessSaveHelper(string[] pkgNames, bool pkgPrerelease, string[] p
                 noClobber: false, 
                 specifiedPath: _path, 
                 asNupkg: false, 
-                includeXML: false, 
+                includeXML: false,
+                skipDependencyCheck: SkipDependencyCheck,
                 pathsToInstallPkg: new List<string> { _path } );
         }
 

src/code/UninstallPSResource.cs

@@ -43,10 +43,10 @@ public sealed class UninstallPSResource : PSCmdlet
         public PSResourceInfo InputObject { get; set; }
 
         /// <summary>
+        /// Skips check to see if other resources are dependent on the resource being uninstalled.
         /// </summary>
-        [Parameter(ParameterSetName = NameParameterSet)]
-        [Parameter(ParameterSetName = InputObjectParameterSet)]
-        public SwitchParameter Force { get; set; }
+        [Parameter]
+        public SwitchParameter SkipDependencyCheck { get; set; }
 
         #endregion
 
@@ -212,9 +212,9 @@ private bool UninstallModuleHelper(string pkgPath, string pkgName, out ErrorReco
             errRecord = null;
             var successfullyUninstalledPkg = false;
 
-            // if -Force is not specified and the pkg is a dependency for another package, 
+            // if -SkipDependencyCheck is not specified and the pkg is a dependency for another package, 
             // an error will be written and we return false
-            if (!Force && CheckIfDependency(pkgName, out errRecord))
+            if (!SkipDependencyCheck && CheckIfDependency(pkgName, out errRecord))
             {
                 return false;
             }
@@ -301,9 +301,8 @@ private bool UninstallScriptHelper(string pkgPath, string pkgName, out ErrorReco
             return successfullyUninstalledPkg;
         }
 
-        private bool CheckIfDependency(string pkgName, out ErrorRecord errRecord)
+        private bool CheckIfDependency(string pkgName, out ErrorRecord errorRecord)
         {
-            errRecord = null;
             // this is a primitive implementation
             // TODO:  implement a dependencies database for querying dependency info
             // cannot uninstall a module if another module is dependent on it 
@@ -317,29 +316,34 @@ private bool CheckIfDependency(string pkgName, out ErrorRecord errRecord)
                 // RequiredModules is collection of PSModuleInfo objects that need to be iterated through to see if any of them are the pkg we're trying to uninstall
                 // If we anything from the final call gets returned, there is a dependency on this pkg.
                 IEnumerable<PSObject> pkgsWithRequiredModules = new List<PSObject>();
+                errorRecord = null;
                 try
                 {
                     pkgsWithRequiredModules = results.Where(
-                        p => ((ReadOnlyCollection<PSModuleInfo>)p.Properties["RequiredModules"].Value).Where(
+                        pkg => ((ReadOnlyCollection<PSModuleInfo>)pkg.Properties["RequiredModules"].Value).Where(
                             rm => rm.Name.Equals(pkgName, StringComparison.InvariantCultureIgnoreCase)).Any());
                 }
                 catch (Exception e)
                 {
-                    var exMessage = String.Format("Error checking if resource is a dependency: {0}. If you would still like to uninstall, rerun the command with -Force", e.Message);
-                    var ex = new ArgumentException(exMessage);
-                    var DependencyCheckError = new ErrorRecord(ex, "DependencyCheckError", ErrorCategory.OperationStopped, null);
-                    errRecord = DependencyCheckError;
+                    errorRecord = new ErrorRecord(
+                        new PSInvalidOperationException(
+                            $"Error checking if resource is a dependency: {e.Message}."),
+                        "UninstallPSResourceDependencyCheckError",
+                        ErrorCategory.InvalidOperation,
+                        null);
                 }
 
                 if (pkgsWithRequiredModules.Any())
                 {
                     var uniquePkgNames = pkgsWithRequiredModules.Select(p => p.Properties["Name"].Value).Distinct().ToArray();
                     var strUniquePkgNames = string.Join(",", uniquePkgNames);
 
-                    var exMessage = String.Format("Cannot uninstall '{0}', the following package(s) take a dependency on this package: {1}. If you would still like to uninstall, rerun the command with -Force", pkgName, strUniquePkgNames);
-                    var ex = new ArgumentException(exMessage);
-                    var PackageIsaDependency = new ErrorRecord(ex, "PackageIsaDependency", ErrorCategory.OperationStopped, null);
-                    errRecord = PackageIsaDependency;
+                    errorRecord = new ErrorRecord(
+                        new PSInvalidOperationException(
+                            $"Cannot uninstall '{pkgName}'. The following package(s) take a dependency on this package: {strUniquePkgNames}. If you would still like to uninstall, rerun the command with -SkipDependencyCheck"),
+                        "UninstallPSResourcePackageIsaDependency",
+                        ErrorCategory.InvalidOperation,
+                        null);
 
                     return true;
                 }

src/code/UpdatePSResource.cs

@@ -97,6 +97,13 @@ public sealed class UpdatePSResource : PSCmdlet
         [Parameter]
         public SwitchParameter Force { get; set; }
 
+        /// <summary>
+        /// Skips the check for resource dependencies, so that only found resources are updated,
+        /// and not any resources the found resource depends on.
+        /// </summary>
+        [Parameter]
+        public SwitchParameter SkipDependencyCheck { get; set; }
+
         #endregion
 
         #region Override Methods
@@ -166,6 +173,7 @@ protected override void ProcessRecord()
                 specifiedPath: null,
                 asNupkg: false,
                 includeXML: true,
+                skipDependencyCheck: SkipDependencyCheck,
                 pathsToInstallPkg: _pathsToInstallPkg);
         }
 
@@ -253,7 +261,7 @@ private string[] ProcessPackageNames(
                 tag: null,
                 repository: Repository,
                 credential: Credential,
-                includeDependencies: false))
+                includeDependencies: !SkipDependencyCheck))
             {
                 if (!repositoryPackages.ContainsKey(foundResource.Name))
                 {

test/InstallPSResource.Tests.ps1

@@ -17,7 +17,7 @@ Describe 'Test Install-PSResource for Module' {
     AfterEach {
         Uninstall-PSResource "TestModule", "TestModule99", "myTestModule", "myTestModule2", "testModulePrerelease", 
             "testModuleWithlicense","PSGetTestModule", "PSGetTestDependency1", "TestFindModule","ClobberTestModule1",
-            "ClobberTestModule2" -Force -ErrorAction SilentlyContinue
+            "ClobberTestModule2" -SkipDependencyCheck -ErrorAction SilentlyContinue
     }
 
     AfterAll {
@@ -103,22 +103,22 @@ Describe 'Test Install-PSResource for Module' {
     }
 
     It "Install resource when given Name, Version '*', should install the latest version" {
-        $pkg = Install-PSResource -Name "TestModule" -Version "*" -Repository $TestGalleryName
+        Install-PSResource -Name "TestModule" -Version "*" -Repository $TestGalleryName
         $pkg = Get-Module "TestModule" -ListAvailable
         $pkg.Name | Should -Be "TestModule"
         $pkg.Version | Should -Be "1.3.0"
     }
 
     It "Install resource with latest (including prerelease) version given Prerelease parameter" {
-        $pkg = Install-PSResource -Name "TestModulePrerelease" -Prerelease -Repository $TestGalleryName 
+        Install-PSResource -Name "TestModulePrerelease" -Prerelease -Repository $TestGalleryName 
         $pkg = Get-Module "TestModulePrerelease" -ListAvailable
         $pkg.Name | Should -Be "TestModulePrerelease"
         $pkg.Version | Should -Be "0.0.1"
         $pkg.PrivateData.PSData.Prerelease | Should -Be "preview"
     }
 
     It "Install a module with a dependency" {
-        $pkg = Install-PSResource -Name "PSGetTestModule" -Prerelease -Repository $TestGalleryName 
+        Install-PSResource -Name "PSGetTestModule" -Prerelease -Repository $TestGalleryName 
         $pkg = Get-Module "PSGetTestModule" -ListAvailable
         $pkg.Name | Should -Be "PSGetTestModule"
         $pkg.Version | Should -Be "2.0.2"
@@ -129,6 +129,17 @@ Describe 'Test Install-PSResource for Module' {
         $pkg.Version | Should -Be "1.0.0"
     }
 
+    It "Install a module with a dependency and skip installing the dependency" {
+        Install-PSResource -Name "PSGetTestModule" -Prerelease -Repository $TestGalleryName -SkipDependencyCheck
+        $pkg = Get-Module "PSGetTestModule" -ListAvailable
+        $pkg.Name | Should -Be "PSGetTestModule"
+        $pkg.Version | Should -Be "2.0.2"
+        $pkg.PrivateData.PSData.Prerelease | Should -Be "-alpha1"
+
+        $pkg = Get-Module "PSGetTestDependency1" -ListAvailable
+        $pkg | Should -BeNullOrEmpty
+    }
+
     It "Install resource via InputObject by piping from Find-PSresource" {
         Find-PSResource -Name "TestModule" -Repository $TestGalleryName | Install-PSResource
         $pkg = Get-Module "TestModule" -ListAvailable
@@ -309,7 +320,7 @@ Describe 'Test Install-PSResource for interactive and root user scenarios' {
     }
 
     AfterEach {
-        Uninstall-PSResource "TestModule", "testModuleWithlicense" -Force -ErrorAction SilentlyContinue
+        Uninstall-PSResource "TestModule", "testModuleWithlicense" -SkipDependencyCheck -ErrorAction SilentlyContinue
     }
 
     AfterAll {

test/SavePSResource.Tests.ps1

@@ -129,6 +129,13 @@ Describe 'Test Save-PSResource for PSResources' {
         (Get-ChildItem $pkgDirs[1].FullName).Count | Should -Be 1
     }
 
+    It "Save a module with a dependency and skip saving the dependency" {
+        Save-PSResource -Name "PSGetTestModule" -Prerelease -Repository $TestGalleryName -Path $SaveDir -SkipDependencyCheck
+        $pkgDirs = Get-ChildItem -Path $SaveDir | Where-Object { $_.Name -eq "PSGetTestModule" -or $_.Name -eq "PSGetTestDependency1" }
+        $pkgDirs.Count | Should -Be 1
+        (Get-ChildItem $pkgDirs[0].FullName).Count | Should -Be 1
+    }
+
     It "Save resource via InputObject by piping from Find-PSresource" {
         Find-PSResource -Name "TestModule" -Repository $TestGalleryName | Save-PSResource -Path $SaveDir
         $pkgDir = Get-ChildItem -Path $SaveDir | Where-Object Name -eq "TestModule"

test/UninstallPSResource.Tests.ps1

@@ -11,7 +11,7 @@ Describe 'Test Uninstall-PSResource for Modules' {
         $testModuleName = "test_module"
         $testScriptName = "test_script"
         Get-NewPSResourceRepositoryFile
-        $res = Uninstall-PSResource -name ContosoServer -Version "*"
+        Uninstall-PSResource -name ContosoServer -Version "*"
     }
     BeforeEach{
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -TrustRepository -WarningAction SilentlyContinue
@@ -21,7 +21,7 @@ Describe 'Test Uninstall-PSResource for Modules' {
     }
 
     It "Uninstall a specific module by name" {
-        $res = Uninstall-PSResource -name ContosoServer 
+        Uninstall-PSResource -name ContosoServer 
         Get-Module ContosoServer -ListAvailable | Should -Be $null
     }
 
@@ -38,28 +38,28 @@ Describe 'Test Uninstall-PSResource for Modules' {
     It "Uninstall a list of modules by name" {
         $null = Install-PSResource BaseTestPackage -Repository $TestGalleryName -TrustRepository -WarningAction SilentlyContinue
 
-        $res = Uninstall-PSResource -Name BaseTestPackage, ContosoServer 
+        Uninstall-PSResource -Name BaseTestPackage, ContosoServer 
         Get-Module ContosoServer, BaseTestPackage -ListAvailable | Should -be $null
     }
 
     It "Uninstall a specific script by name" {
         $null = Install-PSResource Test-RPC -Repository $TestGalleryName -TrustRepository -WarningAction SilentlyContinue
 
-        $pkg = Uninstall-PSResource -name Test-RPC 
+        Uninstall-PSResource -name Test-RPC 
     }
 
     It "Uninstall a list of scripts by name" {
         $null = Install-PSResource adsql, airoute -Repository $TestGalleryName -TrustRepository -WarningAction SilentlyContinue
 
-        $pkg = Uninstall-PSResource -Name adsql, airoute 
+        Uninstall-PSResource -Name adsql, airoute 
     }
 
     It "Uninstall a module when given name and specifying all versions" {
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -Version "1.0.0" -TrustRepository -WarningAction SilentlyContinue
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -Version "1.5.0" -TrustRepository -WarningAction SilentlyContinue
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -Version "2.0.0" -TrustRepository -WarningAction SilentlyContinue
 
-        $res = Uninstall-PSResource -Name ContosoServer -version "*"
+        Uninstall-PSResource -Name ContosoServer -version "*"
         $pkgs = Get-Module ContosoServer -ListAvailable
         $pkgs.Version | Should -Not -Contain "1.0.0"
         $pkgs.Version | Should -Not -Contain "1.5.0"
@@ -72,7 +72,7 @@ Describe 'Test Uninstall-PSResource for Modules' {
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -Version "1.5.0" -TrustRepository -WarningAction SilentlyContinue
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -Version "2.0.0" -TrustRepository -WarningAction SilentlyContinue
 
-        $res = Uninstall-PSResource -Name ContosoServer
+        Uninstall-PSResource -Name ContosoServer
         $pkgs = Get-Module ContosoServer -ListAvailable
         $pkgs.Version | Should -Not -Contain "1.0.0"
         $pkgs.Version | Should -Not -Contain "1.5.0"
@@ -85,7 +85,7 @@ Describe 'Test Uninstall-PSResource for Modules' {
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -Version "1.5.0" -TrustRepository -WarningAction SilentlyContinue
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -Version "2.0.0" -TrustRepository -WarningAction SilentlyContinue
 
-        $res = Uninstall-PSResource -Name "ContosoServer" -Version "1.0.0"
+        Uninstall-PSResource -Name "ContosoServer" -Version "1.0.0"
         $pkgs = Get-Module ContosoServer -ListAvailable
         $pkgs.Version | Should -Not -Contain "1.0.0"
     }
@@ -106,7 +106,7 @@ Describe 'Test Uninstall-PSResource for Modules' {
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -Version "1.5.0" -TrustRepository -WarningAction SilentlyContinue
         $null = Install-PSResource ContosoServer -Repository $TestGalleryName -Version "2.0.0" -TrustRepository -WarningAction SilentlyContinue
 
-        $res = Uninstall-PSResource -Name ContosoServer -Version $Version
+        Uninstall-PSResource -Name ContosoServer -Version $Version
         $pkgs = Get-Module ContosoServer -ListAvailable
         $pkgs.Version | Should -Not -Contain $Version
     }
@@ -169,8 +169,7 @@ Describe 'Test Uninstall-PSResource for Modules' {
     }
 
     It "Uninstall module using -WhatIf, should not uninstall the module" {
-        $res = Uninstall-PSResource -Name "ContosoServer" -WhatIf
-
+        Uninstall-PSResource -Name "ContosoServer" -WhatIf
         $pkg = Get-Module ContosoServer -ListAvailable
         $pkg.Version | Should -Be "2.5"
     }
@@ -183,16 +182,16 @@ Describe 'Test Uninstall-PSResource for Modules' {
         $pkg = Get-Module "RequiredModule1" -ListAvailable
         $pkg | Should -Not -Be $null
 
-        $ev | Should -Be "Cannot uninstall 'RequiredModule1', the following package(s) take a dependency on this package: test_module. If you would still like to uninstall, rerun the command with -Force"
+        $ev.FullyQualifiedErrorId | Should -BeExactly 'UninstallPSResourcePackageIsaDependency,Microsoft.PowerShell.PowerShellGet.Cmdlets.UninstallPSResource'
     }
 
-    It "Uninstall module that is a dependency for another module using -Force" {
+    It "Uninstall module that is a dependency for another module using -SkipDependencyCheck" {
         $null = Install-PSResource "test_module" -Repository $TestGalleryName -TrustRepository -WarningAction SilentlyContinue
 
-        $res = Uninstall-PSResource -Name "RequiredModule1" -Force
+        Uninstall-PSResource -Name "RequiredModule1" -SkipDependencyCheck
 
         $pkg = Get-Module "RequiredModule1" -ListAvailable
-        $pkg | Should -Be $null
+        $pkg | Should -BeNullOrEmpty
     }
 
     It "Uninstall PSResourceInfo object piped in" {