move pwsh and win script related posts to powershell dir

input/posts/pwsh/git-config-switch-using-powershell-script.md

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+Title: Switch among multiple Git Config/Profiles using Powershell
+Lead: use git cli to switch among multiple Git Config/Profiles
+Published: 11/02/2020
+Tags:
+  - powershell core
+  - pwsh
+  - version control
+  - git
+---
+
+## Overview
+Overview of the script,
+
+- verify user name stuff, arguments
+- switch profile based on first command line argument
+
+## final script
+
+```powershell
+# Copyright (c) iQubit Inc.
+<#
+.Synopsis
+    Switch git config
+.DESCRIPTION
+    Switch to provided git config profile. Runs series of git config commands.
+    Suggests updating GH Token
+    ToDo:
+    Fow now, go with this..
+    provide Force flag
+    probably read from a local json config file
+    too many params to pass otherwise..
+
+    facilitate proper checkout with GitUtil
+
+    Demonstrates,
+    - switch syntax
+    - case insensitive string comparison: [System.StringComparison]
+
+.Parameter ProfileName
+    Select among available profiles
+.Parameter CredUserNames
+    Available git user names
+.EXAMPLE
+    Switch-GitConfig.ps1 USER_NAME_1 @('USER_NAME_1', 'USER_NAME_2')
+#>
+
+[CmdletBinding()]
+param(
+    [ValidateSet('USER_NAME_1', 'USER_NAME_2')]
+    [Parameter(Mandatory=$true)] [string] $ProfileName,
+    [Parameter(Mandatory=$true)] [string[]] $CredUserNames
+)
+
+
+<#
+.SYNOPSIS
+    Switch to given git config profile
+.DESCRIPTION
+    Sets for both git repo local and global,
+    - user name
+    - user email
+    - credential user name
+#>
+function Main() {
+    # Expecting switch between 2 users
+    if ($CredUserNames.Length -lt 2) {
+        throw [ArgumentException] ('Unexpected number of gUser Names!')
+    }
+
+    switch ($ProfileName) {
+        "USER_NAME_1" {
+            $gitUserName = git config --get user.name
+            $shellUserName = $($Home.SubString($Home.LastIndexOf('\')+1))
+
+            # Expecting git user name to start with Windows Login UserName
+            # For example,
+            #   windows username Mak will match with
+            #   git user full name 'Atiq Rahman'
+            if (-not ($gitUserName).StartsWith($shellUserName, [System.StringComparison]::`
+                InvariantCultureIgnoreCase)) {
+                throw [ArgumentException] ('Unexpected user name ' + $gitUserName + '!')
+            }
+
+            $gitUserEmail = git config --get user.email
+            # global
+            git config --global user.name "$gitUserName"
+            git config --global user.email $gitUserEmail
+
+            git config credential.username $CredUserNames[0]
+            $Env:GITHUB_TOKEN = 'gxp_clylM69Sjj0OZz5JOKX98TzcIE2xBo1MjNTO'
+            Break
+        }
+        "USER_NAME_2" {
+            $gitUserName = git config --get user.name
+            # last name of user 2, just for validation
+            $userNameSuffix = 'USER2_SUFFIX'
+
+            if (-not ($gitUserName).EndsWith($userNameSuffix)) {
+                throw [ArgumentException] ('Unexpected user name ' + $gitUserName + '!')
+            }
+
+            $gitUserEmail = git config --get user.email
+            # global
+            git config --global user.name "$gitUserName"
+            git config --global user.email $gitUserEmail
+
+            git config credential.username $CredUserNames[1]
+            $Env:GITHUB_TOKEN = 'gxp_84770a857cb1482de0e8af7c39a06de4ccf001eeb'
+            Break
+        }
+        Default { "Unexpected $ProfileName!" }
+    }
+
+    VerifyGitProfile
+
+    'Remember to set your GITHUB_TOKEN before invoking ''deploy'''
+}
+
+function VerifyGitProfile() {
+    'Final Git Configuration:'
+    git config --global --get user.name
+    git config --global --get user.email
+    git config --get user.name
+    git config --get user.email
+    git config --get credential.username
+}
+
+
+Main
+```