Merge pull request #240 from genebean/bigboy

Add PowerShell profile for Windows

link/windows/Microsoft.PowerShell_profile.ps1

@@ -0,0 +1,89 @@
+using namespace System.Management.Automation
+using namespace System.Management.Automation.Language
+
+# include sensitive stuff
+. "${Env:HOMEPATH}\.private-env.ps1"
+
+# oh-my-posh init pwsh --config 'C:\Users\gene.liverman\AppData\Local\Programs\oh-my-posh\themes\paradox.omp.json' | Invoke-Expression
+# oh-my-posh init pwsh --config 'C:\Users\gene.liverman\AppData\Local\Programs\oh-my-posh\themes\illusi0n.omp.json' | Invoke-Expression
+oh-my-posh init pwsh --config 'C:\Users\gene.liverman\repos\my-oh-my-posh-themes\beanbag.omp.json' | Invoke-Expression
+
+# Searching for commands with up/down arrow is really handy.  The
+# option "moves to end" is useful if you want the cursor at the end
+# of the line while cycling through history like it does w/o searching,
+# without that option, the cursor will remain at the position it was
+# when you used up arrow, which can be useful if you forget the exact
+# string you started the search on.
+Set-PSReadLineOption -HistorySearchCursorMovesToEnd
+Set-PSReadLineKeyHandler -Key UpArrow -Function HistorySearchBackward
+Set-PSReadLineKeyHandler -Key DownArrow -Function HistorySearchForward
+
+# Make Ctrl+u clear the currently entered text like it does on Linux and macOS
+# This is mapped to Ctrl+ Home by default also
+Set-PSReadLineKeyHandler -Key Ctrl+u -Function BackwardDeleteLine
+
+# Make Ctrl+d exit the shell if the line is empty or delete the char infront of the cursor
+# like it does on Linux and macOS
+Set-PSReadlineKeyHandler -Key Ctrl+d -Function DeleteCharOrExit
+
+# Aliases and functions used to simulate Linux shell aliases
+Function gsw { & "git switch ${args}" }
+Function gswc { & "git switch -c ${args}" }
+Function hubpr { & "hub pull-request --browse --push ${args}" }
+
+
+### SSH autocompletion
+Function Get-Hosts($configFile) {
+    Get-Content $configFile `
+    | Select-String -Pattern "^Host " `
+    | ForEach-Object { $_ -replace "host ", "" } `
+    | Sort-Object -Unique `
+}
+
+function Get-SSHKnownHost($sshKnownHostsPath) {
+    Get-Content -Path $sshKnownHostsPath `
+    | ForEach-Object { $_.split(' ')[0] } `
+    | Sort-Object -Unique
+}
+
+# sft in the list of commands is OktaASA's wrapper around the ssh command
+Register-ArgumentCompleter -CommandName ssh, scp, sftp, sft -Native -ScriptBlock {
+    param($wordToComplete, $commandAst, $cursorPosition)
+
+    $sshDir = "${Env:HOMEPATH}\.ssh"
+
+    $hosts = Get-SSHKnownHost "$sshDir\known_hosts" `
+        | ForEach-Object { ([string]$_).Split(' ')[0] } `
+        | ForEach-Object { $_.Split(',') } `
+        | Sort-Object -Unique
+
+    if(Test-Path "$sshDir\config") {
+        $hosts += Get-Content "$sshDir\config" `
+            | Select-String -Pattern "^Include " `
+            | ForEach-Object { $_ -replace "include ", "" } `
+            | ForEach-Object { Get-Hosts "$sshDir/$_" } `
+    }
+
+    $hosts += Get-Hosts "$sshDir\config"
+    
+    $hosts = $hosts | Sort-Object -Unique
+
+    # For now just assume it's a hostname.
+    $textToComplete = $wordToComplete
+    $generateCompletionText = {
+        param($x)
+        $x
+    }
+    if ($wordToComplete -match "^(?<user>[-\w/\\]+)@(?<host>[-.\w]+)$") {
+        $textToComplete = $Matches["host"]
+        $generateCompletionText = {
+            param($hostname)
+            $Matches["user"] + "@" + $hostname
+        }
+    }
+
+    $hosts `
+    | Where-Object { $_ -like "${textToComplete}*" } `
+    | ForEach-Object { [CompletionResult]::new((&$generateCompletionText($_)), $_, [CompletionResultType]::ParameterValue, $_) }
+}
+### end SSH autocompletion