Get-NuGet first implementation.

CHANGELOG.md

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+# Changelog
+
+## [0.0.1] - 05/04/2019
+### Added
+* `Get-NuGet` command with the mandatory version argument
+* `publish.ps1` script for publishing GetNuGet package to the gallery
+### Breaking Changes
+### Fixed

LICENSE

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+MIT License
+
+Copyright (c) 2019 ClrCoder community.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# GetNuGet
+## Introduction
+```PowerShell
+# Downloads (with the local cache) the nuget.exe and returns path
+$NuGet = Get-NuGet -Version 4.9.3
+
+# Restores packages
+&$NuGet restore
+
+# Should print under windows:
+#   c:\users\<user>\.nuget\cli\4.9.3\nuget.exe
+Write-Host $NuGet
+```
+#### Supported Operating Systems
+* Windows
+* *Linux (Planned)*
+
+### See Also
+* [CHANGELOG](CHANGELOG.md)
+* [LICENSE](LICENSE)

publish.ps1

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+param(
+    [parameter(Position=0, Mandatory = $true)]
+    $ApiKey
+)
+
+
+Publish-Module -Path $PSScriptRoot/src/GetNuGet -NuGetApiKey $ApiKey

src/GetNuGet/GetNuGet.psd1

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+@{
+
+    # Script module or binary module file associated with this manifest.
+    RootModule        = 'GetNuGet.psm1'
+
+    # Version number of this module.
+    ModuleVersion     = '0.0.1'
+
+    # ID used to uniquely identify this module
+    GUID              = '247BD3D2-C7A8-4465-A256-E87355CB2A51'
+
+    # Author of this module
+    Author            = 'ClrCoder community'
+
+    # Copyright statement for this module
+    Copyright         = '(c) 2019 ClrCoder community'
+
+    # Description of the functionality provided by this module
+    Description       = 'Helps to obtain NuGet command line tools'
+
+    # Minimum version of the Windows PowerShell engine required by this module
+    PowerShellVersion = '5.1'
+
+    # Functions to export from this module
+    FunctionsToExport = @('Get-NuGet')
+
+    # Cmdlets to export from this module
+    CmdletsToExport   = @()
+
+    # Variables to export from this module
+    VariablesToExport = @()
+
+    # Aliases to export from this module
+    AliasesToExport   = @()
+
+    RequiredModules   = @(
+    )
+    # Private data to pass to the module specified in RootModule/ModuleToProcess.
+    # This may also contain a PSData hashtable with additional module metadata used by PowerShell.
+    PrivateData       = @{
+        PSData = @{
+            # Tags applied to this module. These help with module discovery in online galleries.
+            Tags         = @('NuGet', "CommandLine", "nuget.exe")
+
+            # A URL to the license for this module.
+            LicenseUri   = 'https://github.com/ClrCoder/GetNuGet/blob/master/LICENSE'
+
+            # A URL to the main website for this project.
+            ProjectUri   = 'https://github.com/ClrCoder/GetNuGet'
+
+            # ReleaseNotes of this module
+            ReleaseNotes = 'https://github.com/ClrCoder/GetNuGet/blob/master/CHANGELOG.md'
+        }
+    }
+}

src/GetNuGet/GetNuGet.psm1

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+function Get-NuGet {
+    param(
+        [Parameter(Position = 0)]
+        [ValidatePattern("^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)$")]
+        [string]
+        $Version)
+
+    if ($null -ne $IsWindows -and !$IsWindows) {
+        throw "Currently this command is implemented only for windows"
+    }
+
+    $NuGetFolder = "$($env:USERPROFILE)/.nuget/cli/$Version"
+    $NuGetPath = "$NuGetFolder/nuget.exe"
+    if (!(Test-Path $NuGetPath -PathType Leaf)) {
+        if (!(Test-Path $NuGetPath -PathType Container)) {
+            New-Item -type Directory -Path $NuGetFolder | Out-Null
+        }
+
+        # Downloading nuget.exe
+        Invoke-WebRequest -Uri "https://dist.nuget.org/win-x86-commandline/v$Version/nuget.exe" -OutFile $NuGetPath
+        $helpOutput = &$NuGetPath help
+
+        $actualVersion = $helpOutput[0].Split(":")[1].SubString(1, 5);
+        if ($actualVersion -ne $Version) {
+            throw "Actual version ($actualVersion) of the downloaded nuget.exe does not match to the required version ($Version)."
+        }
+    }
+
+    $NuGetPath
+}
+
+$exportModuleMemberParams = @{
+    Function = @(
+        'Get-NuGet'
+    )
+
+    Variable = @(
+    )
+}
+
+Export-ModuleMember @exportModuleMemberParams

test/GetNuGetTests.ps1

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+# Reloading Module
+Remove-Module GetNuGet -ErrorAction SilentlyContinue
+Import-Module "$PSScriptRoot/../src/GetNuGet/GetNuGet.psm1"
+
+
+Get-NuGet 4.8.2