PowerShell/Docs/list-branches.md

The list-branches.ps1 PowerShell Script

This PowerShell script lists all branches in a Git repository.

Parameters

list-branches.ps1 [[-RepoDir] <String>] [[-SearchPattern] <String>] [<CommonParameters>]

-RepoDir <String>
    Specifies the path to the Git repository (current working directory by default)
    
    Required?                    false
    Position?                    1
    Default value                "$PWD"
    Accept pipeline input?       false
    Accept wildcard characters?  false

-SearchPattern <String>
    Specifies the search patter (anything by default)
    
    Required?                    false
    Position?                    2
    Default value                *
    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-branches

Notes

Author: Markus Fleschutz | License: CC0

Related Links

https://github.com/fleschutz/PowerShell

Source Code

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

param([string]$RepoDir = "$PWD", [string]$SearchPattern = "*")

try {
	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }

	$Null = (git --version)
	if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }

	& git -C "$RepoDir" fetch 
	if ($lastExitCode -ne "0") { throw "'git fetch' failed" }

	$Branches = $(git -C "$RepoDir" branch --list --remotes --no-color --no-column)
	if ($lastExitCode -ne "0") { throw "'git branch --list' failed" }

	""
	"List of Git Branches"
	"--------------------"
	foreach($Branch in $Branches) {
		if ("$Branch" -match "origin/HEAD") { continue }
		$BranchName = $Branch.substring(9)
		if ("$BranchName" -notlike "$SearchPattern") { continue }
		"$BranchName"
	}
	""
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}

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