PowerShell/docs/pull-repo.md
2023-10-31 11:05:01 +01:00

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*pull-repo.ps1*
================
This PowerShell script pulls the latest updates into a local Git repository (including submodules).
Parameters
----------
```powershell
PS> ./pull-repo.ps1 [[-RepoDir] <String>] [<CommonParameters>]
-RepoDir <String>
Specifies the file path to the local Git repository (default is working directory)
Required? false
Position? 1
Default value "$PWD"
Accept pipeline input? false
Accept wildcard characters? false
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
Example
-------
```powershell
PS> ./pull-repo.ps1 C:\MyRepo
(1/4) Searching for Git executable... git version 2.42.0.windows.1
(2/4) Checking local repository...
(3/4) Pulling updates...
(4/4) Updating submodules...
Pulled updates into repo 📂MyRepo in 14 sec
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.SYNOPSIS
Pulls updates into a Git repository
.DESCRIPTION
This PowerShell script pulls the latest updates into a local Git repository (including submodules).
.PARAMETER RepoDir
Specifies the file path to the local Git repository (default is working directory)
.EXAMPLE
PS> ./pull-repo.ps1 C:\MyRepo
⏳ (1/4) Searching for Git executable... git version 2.42.0.windows.1
⏳ (2/4) Checking local repository...
⏳ (3/4) Pulling updates...
⏳ (4/4) Updating submodules...
✔️ Pulled updates into repo 📂MyRepo in 14 sec
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$RepoDir = "$PWD")
try {
$StopWatch = [system.diagnostics.stopwatch]::startNew()
Write-Host "⏳ (1/4) Searching for Git executable... " -noNewline
& git --version
if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
Write-Host "⏳ (2/4) Checking local repository..."
if (-not(Test-Path "$RepoDir" -pathType container)) { throw "Can't access folder: $RepoDir" }
$Result = (git -C "$RepoDir" status)
if ("$Result" -match "HEAD detached at ") { throw "Currently in detached HEAD state (not on a branch!), so nothing to pull" }
$RepoDirName = (Get-Item "$RepoDir").Name
Write-Host "⏳ (3/4) Pulling updates..."
& git -C "$RepoDir" pull --recurse-submodules=yes
if ($lastExitCode -ne "0") { throw "'git pull' failed with exit code $lastExitCode" }
Write-Host "⏳ (4/4) Updating submodules... "
& git -C "$RepoDir" submodule update --init --recursive
if ($lastExitCode -ne "0") { throw "'git submodule update' failed with exit code $lastExitCode" }
[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
"✔️ Pulled updates into repo 📂$RepoDirName in $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 pull-repo.ps1 as of 10/19/2023 08:11:42)*