Add Powershell config

powershell/.config/powershell/Microsoft.PowerShell_profile.ps1

@@ -0,0 +1,78 @@
+if ($host.Name -eq "ConsoleHost")
+{
+  Import-Module PSReadline
+  Set-PSReadLineKeyHandler -Chord Control+Delete -Function BackwardKillWord
+  Set-PSReadLineKeyHandler -Chord Control+Backspace -Function BackwardKillWord
+  Set-PSReadLineKeyHandler -Chord Control+RightArrow -Function NextWord
+  Set-PSReadLineKeyHandler -Chord Control+LeftArrow -Function BackwardWord
+
+  Set-PSReadlineKeyHandler -Key UpArrow   -Function HistorySearchBackward
+  Set-PSReadlineKeyHandler –Key DownArrow -Function HistorySearchForward
+
+  Set-PSReadlineKeyHandler -Key Tab -Function MenuComplete
+  Set-PSReadLineKeyHandler -Chord Control+c -Function RevertLine
+  #Set-PSReadlineKeyHandler -Chord Control+C -Function CancelLine
+
+}
+
+function Convert-HexToAnsiiEscape
+{
+  param ([Parameter(Mandatory)] [string]$hex)
+  $nohash = $hex.substring(1)
+  $rgb = $nohash -split '(..)' -ne ''
+  $r = [Convert]::ToInt64($rgb[0], 16)
+  $g = [Convert]::ToInt64($rgb[1], 16)
+  $b = [Convert]::ToInt64($rgb[2], 16)
+  [char]27 + "$ansi_escape[38;2;{0};{1};{2}m" -f $r, $g, $b
+}
+
+$Colors = @{
+  cyan = Convert-HexToAnsiiEscape("#8ec07c")
+  white = Convert-HexToAnsiiEscape("#ebdbb2")
+  green = Convert-HexToAnsiiEscape("#b8bb26")
+}
+
+
+function prompt_git_status
+{
+  try
+  {
+    $branch = (git branch | Select-String -Pattern "\* ") -Replace "\* ",""
+    $change_indicator = (git status --short) ?  "*" : ""
+    $branch ?  "($($Colors.cyan)$branch$($Colors.white)$change_indicator)" : ""
+  } catch
+  {
+    ""
+  }
+}
+
+function shorten_string_to
+{
+  param ([string]$text, [int]$length)
+  ($text.length -gt $length) ? $text.substring(0, $length) : $text
+}
+
+function shorten_path
+{
+  param ([string]$path)
+  $no_home=($path -Replace "$HOME","~")
+  $segments = ($no_home -split "/")
+  if ($segments.count -lt 2)
+  {
+    return $no_home
+  }
+  $init_part = $segments[0..($segments.count - 2)] 
+  $last_part = $segments[($segments.count - 1)]
+  $cleaned_init = ($init_part | ForEach-Object { shorten_string_to -text $_ -length 5 }) -join "/"
+  return "$cleaned_init/$last_part"
+}
+
+function Prompt
+{
+  $prompt = "╭───$($Colors.cyan)$env:USER"
+  $prompt += "$($Colors.white) powershelling in "
+  $prompt += "$($Colors.green)$(shorten_path(Get-Location))$($Colors.white) "
+  $prompt += prompt_git_status
+  $prompt += "`n╰─λ "
+  $prompt
+}