Functions/Test-HgIncomingChangeset.ps1
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function Test-HgIncomingChangeset { <# .SYNOPSIS Tests if there are incoming changesets for a repository. .DESCRIPTION Incoming changes can be dectected across the entire repository or on specific branches via the `Branch` parameter. If there are any incoming changesets, returns `True`. `False` otherwise. ALIASES thginc .EXAMPLE Test-HgIncomingChangesets Returns `True` if there are any incoming changesets in the repository in the current working directory. `False` if there are no incoming changesets. .EXAMPLE Test-HgINcomingChangesets -Branch Stable Returns `True` if there are any incoming changesets in the `Stable` branch in the current directory's repository. `False` if there are no incoming changesets. .EXAMPLE Test-HgIncomingChangesets -RepoRoot C:\Projects\PsHg Returns `True` if there are any incoming changesets in the `C:\Projects\PsHg` repository. `False` if there are no incoming changesets. #> [CmdletBinding()] param( [string] # Tests for incoming chnagesets on a specific branch. [Alias('Branch')] $Revision, [string] # The source/remote repository to check for incoming changes. $Source, [string] $RepoRoot = (Get-Location) ) $rRepoRoot = Resolve-HgRoot -Path $RepoRoot if( -not $rRepoRoot ) { return } Push-Location $rRepoRoot try { if( -not $Source -and -not (Test-HgDefaultPath -Incoming) ) { Write-Warning ('Repository {0}''s default path setting not found.' -f $rRepoRoot) return } $revisionArg = '' if( $Revision ) { $revisionArg = '-r{0}' -f $Revision } $preErrCount = $Global:Error.Count try { [string[]]$incoming = hg incoming --template '{node|short}\n' $revisionArg $Source 2>$null | Where-Object { $_ -match '^[0-9a-f]{12}$' } return ( $incoming.Count -gt 0 ) } finally { $numErrors = $Global:Error.Count - $preErrCount for( $idx = 0; $idx -lt $numErrors; ++$idx ) { $Global:Error.RemoveAt(0) } } } finally { Pop-Location } } Set-Alias -Name 'Test-HgIncomingChangesets' -Value 'Test-HgIncomingChangeset' Set-Alias -Name 'thginc' -Value 'Test-HgIncomingChangeset' |