PowerShell/Docs/list-submodules.md

The list-submodules.ps1 Script

This PowerShell script lists the submodules in the given Git repository.

Parameters

/home/mf/Repos/PowerShell/Scripts/list-submodules.ps1 [[-RepoDir] <String>] [<CommonParameters>]

-RepoDir <String>
    Specifies the path to the repository (current working directory by default)
    
    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

PS> ./list-submodules C:\MyRepo

Notes

Author: Markus Fleschutz | License: CC0

Related Links

https://github.com/fleschutz/PowerShell

Source Code

<#
.SYNOPSIS
	Lists the submodules in a Git repository
.DESCRIPTION
	This PowerShell script lists the submodules in the given Git repository.
.PARAMETER RepoDir
	Specifies the path to the repository (current working directory by default)
.EXAMPLE
	PS> ./list-submodules C:\MyRepo
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

param([string]$RepoDir = "$PWD")

try {
	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" }

	$RepoDirName = (Get-Item "$RepoDir").Name
	Write-Host "⏳ (2/4) Checking Git repository...        📂$RepoDirName"
	if (-not(Test-Path "$RepoDir" -pathType container)) { throw "Can't access folder: $RepoDir" }

	Write-Host "⏳ (3/4) Fetching latest updates... "
	& git -C "$RepoDir" fetch
	if ($lastExitCode -ne "0") { throw "'git fetch' failed" }

	Write-Host "⏳ (4/4) Listing submodules... "
	& git -C "$RepoDir" submodule
	if ($lastExitCode -ne "0") { throw "'git submodule' failed" }

	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}

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