Created
November 19, 2016 20:44
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Windows PowerShell の prompt で git のブランチ名を表示 (変数・関数の命名はテキトー)
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| # author: Leonardone @ NEETSDKASU | |
| function IsGitRepository { | |
| Param([string]$Path) | |
| if ($Path) { | |
| if (Test-Path $Path -PathType Container) { | |
| } else { | |
| return (0, '', '') | |
| } | |
| } else { | |
| $Path = Get-Location | |
| } | |
| $Here = Split-Path $Path -Leaf | |
| while ($Path -ne "") { | |
| if ((Split-Path $Path -Leaf) -eq '.git') { | |
| return (2, $Path, $Here) | |
| } elseif (Test-Path (Join-Path $Path '.git') -PathType Container) { | |
| return (1, (Join-Path $Path '.git'), $Here) | |
| } | |
| $Path = Split-Path $Path -Parent | |
| if ($Path) { | |
| $Here = "$(Split-Path $Path -Leaf)\$Here" | |
| } | |
| } | |
| return (0, '', '') | |
| } | |
| function prompt { | |
| ($Result, $GitPath, $Here) = IsGitRepository | |
| if ($Result -eq 1) { | |
| $tmp = Select-String -Path (Join-Path $GitPath 'HEAD') -Pattern "[^/]+./[^/]+/(.+)" | |
| if ($tmp) { | |
| Write-Host "PS .\$Here" -NoNewline | |
| Write-Host " ($($tmp.Matches[0].Groups[1].Value))" -ForegroundColor Yellow -NoNewLine | |
| return ">" | |
| } else { | |
| "PS .\$Here (Git Repository)>" | |
| } | |
| } elseif ($Result -eq 2) { | |
| $tmp = Select-String -Path (Join-Path $GitPath 'HEAD') -Pattern "[^/]+./[^/]+/(.+)" | |
| if ($tmp) { | |
| "PS $Here ($($tmp.Matches[0].Groups[1].Value))[.git]>" | |
| } else { | |
| "PS $Here (Git Repository)[.git]>" | |
| } | |
| } else { | |
| "PS $(Get-Location)>" | |
| } | |
| } |
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