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Windows PowerShellでgitのブランチを表示して、変更があったらブランチ名の色を変えるスクリプト

Last updated at Posted at 2022-03-28

概要

PowerShellでgit操作する際に、ブランチ名や変更状況等をビジュアライズしたいので、スクリプトを作成しましたー

設定

Documents\WindowsPowerShellに配置するMicrosoft.PowerSHell_profile.ps1に下記のスクリプトを配置する。

こちらの記事 を参考に改造。

Microsoft.PowerSHell_profile.ps1
function prompt {
  $branch = ""
  $git_cahnge_count = 0
  $git_staged_count = 0

  if (git branch) {
    (git branch | select-string "^\*").ToString() | set-variable -name branch
    $branch = $branch.trim() -replace "^\* *", ""
    git diff --shortstat | %{ echo $_.Trim().Substring(0, $_.Trim().indexof(" ")) } | set-variable -name git_cahnge_count
    git diff --shortstat --cached | %{ echo $_.Trim().Substring(0, $_.Trim().indexof(" ")) } | set-variable -name git_staged_count
  }
  Write-Host("[") -NoNewline -ForegroundColor White
  $mylocal_path = $(get-location) -replace "C:\\Users\\yuya.yamaji", "~"
  Write-Host($mylocal_path) -NoNewline -ForegroundColor Cyan
  Write-Host("] ") -NoNewline -ForegroundColor White
  if ($branch -ne "") {
    Write-Host("(") -NoNewline -ForegroundColor White
    if ($git_cahnge_count -ne $git_staged_count) {
      if ($git_cahnge_count -ne "0") {
        Write-Host($branch) -NoNewline -ForegroundColor DarkRed
      } else {
        Write-Host($branch) -NoNewline -ForegroundColor DarkYellow
      }  
    } else {
      Write-Host($branch) -NoNewline -ForegroundColor DarkGreen
    }
    Write-Host(")`n") -NoNewline -ForegroundColor White
  }
  return "PS > "
}

こんな感じで表示されるよ

image.png

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