Functions/Test-HgChangeset.ps1
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function Test-HgChangeset { <# .SYNOPSIS Tests if a revision exists in a Mercurial repository. .DESCRIPTION The revision to test can be a branch name, revision number, node ID, or revset query. Basically anything that can be passed to the `-r` parameter of Mercurial's `log` command. ALIASES thgc .EXAMPLE Test-HgChangeset -Revision StableBranch Returns `True` if the `StableBranch` exists in the current directory's repository. .EXAMPLE Test-HgChangeset -Revision StableBranch -RepoRoot C:\Projects\psHg Returns `True` if the `StableBranch` exists in the C:\Projects\psHg repository. #> [CmdletBinding()] param( [Parameter(Mandatory=$true)] [string] # The revision to merge. Can be a branch, tag, node, ID, or revset query. $Revision, [string] # The path to the repository to merge. Defaults to the current directory. $RepoRoot = (Resolve-HgRoot .) ) if( -not $RepoRoot ) { return $false } $preCount = $Global:Error.Count $result = hg log --template '{node}' -l1 -r $Revision -R $RepoRoot 2> $null if( $Global:Error.Count -gt $preCount ) { $Global:Error.RemoveAt(0) } if( $result ) { return $true } return $false } Set-Alias -Name 'Test-HgRevision' -Value 'Test-HgChangeset' Set-Alias -Name 'thgc' -Value 'Test-HgChangeset' |