PowerShell/Scripts/pull-repo.ps1
2022-09-02 13:50:51 +02:00

46 lines
1.5 KiB
PowerShell
Executable File

<#
.SYNOPSIS
Pulls Git repository updates
.DESCRIPTION
This PowerShell script pulls updates for a local Git repository (including submodules).
.PARAMETER RepoDir
Specifies the path to the Git repository
.EXAMPLE
PS> ./pull-repo
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$RepoDir = "$PWD")
try {
$StopWatch = [system.diagnostics.stopwatch]::startNew()
"⏳ Step 1/4 - Searching for Git executable..."
& git --version
if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
$RepoDirName = (Get-Item "$RepoDir").Name
"⏳ Step 2/4 - Checking Git repository 📂$RepoDirName..."
if (-not(Test-Path "$RepoDir" -pathType container)) { throw "Can't access folder: $RepoDir" }
$Result = (git -C "$RepoDir" status)
if ("$Result" -match "HEAD detached at ") { throw "Not on a branch, so nothing to pull (in detached HEAD state)" }
"⏳ Step 3/4 - Pulling updates..."
& git -C "$RepoDir" pull --recurse-submodules --jobs=4
if ($lastExitCode -ne "0") { throw "'git pull' failed with exit code $lastExitCode" }
"⏳ Step 4/4 - Updating submodules... "
& git -C "$RepoDir" submodule update --init --recursive
if ($lastExitCode -ne "0") { throw "'git submodule update' failed with exit code $lastExitCode" }
[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
"✔️ pulled updates for 📂$RepoDirName repo in $Elapsed sec"
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}