PowerShell/Scripts/fetch-repos.ps1

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<#
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.SYNOPSIS
fetch-repos.ps1 [<parent-dir>]
.DESCRIPTION
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Fetches updates for all Git repositories under the current/given directory (including submodules).
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.EXAMPLE
PS> .\fetch-repos.ps1 C:\MyRepos
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.NOTES
Author: Markus Fleschutz · License: CC0
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.LINK
https://github.com/fleschutz/PowerShell
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#>
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param([string]$ParentDir = "$PWD")
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try {
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$StopWatch = [system.diagnostics.stopwatch]::startNew()
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if (-not(test-path "$ParentDir" -pathType container)) { throw "Can't access directory: $ParentDir" }
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$Null = (git --version)
if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
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$Folders = (get-childItem "$ParentDir" -attributes Directory)
$FolderCount = $Folders.Count
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$ParentDirName = (get-item "$ParentDir").Name
"Found $FolderCount subfolders in 📂$ParentDirName..."
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[int]$Step = 1
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foreach ($Folder in $Folders) {
$FolderName = (get-item "$Folder").Name
"Step $Step/$($FolderCount): 🢃 Fetching 📂$FolderName..."
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& git -C "$Folder" fetch --all --recurse-submodules --prune --prune-tags --jobs=4
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if ($lastExitCode -ne "0") { throw "'git fetch' failed" }
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$Step++
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}
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[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
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"✔️ fetched $FolderCount Git repositories at 📂$ParentDirName 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
}