PowerShell/Docs/fetch-repos.md
2023-08-06 21:36:33 +02:00

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*fetch-repos.ps1*
================
This PowerShell script fetches updates into all Git repositories in a folder (including submodules).
Parameters
----------
```powershell
PS> ./fetch-repos.ps1 [[-ParentDir] <String>] [<CommonParameters>]
-ParentDir <String>
Specifies the path to the parent folder
Required? false
Position? 1
Default value "$PWD"
Accept pipeline input? false
Accept wildcard characters? false
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
Example
-------
```powershell
PS> ./fetch-repos.ps1 C:\MyRepos
(1) Searching for Git executable... git version 2.41.0.windows.3
(2) Checking parent folder... 33 subfolders
(3/35) Fetching into 📂base256unicode...
...
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.SYNOPSIS
Fetches updates into Git repos
.DESCRIPTION
This PowerShell script fetches updates into all Git repositories in a folder (including submodules).
.PARAMETER ParentDir
Specifies the path to the parent folder
.EXAMPLE
PS> ./fetch-repos.ps1 C:\MyRepos
⏳ (1) Searching for Git executable... git version 2.41.0.windows.3
⏳ (2) Checking parent folder... 33 subfolders
⏳ (3/35) Fetching into 📂base256unicode...
...
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$ParentDir = "$PWD")
try {
$StopWatch = [system.diagnostics.stopwatch]::startNew()
Write-Host "⏳ (1) Searching for Git executable... " -noNewline
& git --version
if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
Write-Host "⏳ (2) Checking parent folder... " -noNewline
if (-not(Test-Path "$ParentDir" -pathType container)) { throw "Can't access folder: $ParentDir" }
$Folders = (Get-ChildItem "$ParentDir" -attributes Directory)
$NumFolders = $Folders.Count
$ParentDirName = (Get-Item "$ParentDir").Name
Write-Host "$NumFolders subfolders"
[int]$Step = 2
foreach ($Folder in $Folders) {
$FolderName = (Get-Item "$Folder").Name
$Step++
Write-Host "⏳ ($Step/$($NumFolders + 2)) Fetching into 📂$FolderName... "
& git -C "$Folder" fetch --all --recurse-submodules --prune --prune-tags --force
if ($lastExitCode -ne "0") { throw "'git fetch' in $Folder failed with exit code $lastExitCode" }
}
[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
"✔️ Fetching updates into $NumFolders repositories under 📂$ParentDirName took $Elapsed sec"
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*(generated by convert-ps2md.ps1 using the comment-based help of fetch-repos.ps1 as of 08/06/2023 21:36:07)*