PowerShell/Scripts/clean-repo.ps1

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<#
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.SYNOPSIS
clean-repo.ps1 [<repo-dir>]
.DESCRIPTION
Cleans a Git repository from untracked files (including submodules, e.g. for a fresh build)
.EXAMPLE
PS> .\clean-repo.ps1 C:\MyRepo
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz / License: CC0
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#>
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param($RepoDir = "$PWD")
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try {
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$StopWatch = [system.diagnostics.stopwatch]::startNew()
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if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
$RepoDirName = (get-item "$RepoDir").Name
"🧹 Cleaning Git repository 📂$RepoDirName from untracked files..."
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$Null = (git --version)
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if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
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& git -C "$RepoDir" clean -xfd -f # force + recurse into dirs + don't use the standard ignore rules
if ($lastExitCode -ne "0") { throw "'git clean -xfd -f' failed" }
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& git -C "$RepoDir" submodule foreach --recursive git clean -xfd -f
if ($lastExitCode -ne "0") { throw "'git clean -xfd -f' in submodules failed" }
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[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
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"✔️ cleaned Git repository 📂$RepoDirName in $Elapsed sec"
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exit 0
} catch {
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write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
}