Public/Get-GitLog.ps1
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using namespace System.Collections.Generic function Get-GitLog { [CmdletBinding(DefaultParameterSetName = 'SinceLastMerge')] param ( [Parameter(ParameterSetName = 'SinceLastMerge')] [switch]$SinceLastMerge, [Parameter(ParameterSetName = 'ByCount', Position = 0)] [ValidateRange(1, 5000)] [int]$Count = 30, [Parameter(ParameterSetName = 'FromRef')] [string]$From, [Parameter()] [switch]$SortDescending, [Parameter()] [ValidateSet('Relative', 'DateTime')] [string]$DateFormat = 'Relative' ) $AsDatetime = $DateFormat -eq 'DateTime' if ($PSCmdlet.ParameterSetName -eq 'SinceLastMerge') { $From = git log --merges -n 1 --format=%h if (-not $From) { $From = git rev-list --max-parents=0 HEAD --abbrev-commit | Select-Object -First 1 } } $LogArgs = [List[string]]::new() $LogArgs.Add("log") if ($From) { $LogArgs.Add("$From..HEAD") } else { $LogArgs.Add("-n $Count") } if ($SortDescending) { $LogArgs.Add("--reverse") } # https://git-scm.com/docs/git-log#_pretty_formats $Format = [ordered]@{ Id = '%h' Author = '%an' AuthorDate = if ($AsDatetime) {'%ai'} else {'%ar'} Summary = '%s' } $OutputProperties = @($Format.Keys) $Delim = [char]0x2007 # unusual space char that we don't expect to find in git output $FormatString = $Format.Values -join $Delim $LogArgs.Add("--pretty=format:$FormatString") # Do the thing $CommitLines = & git $LogArgs $Commits = $CommitLines | ConvertFrom-Csv -Delimiter $Delim -Header $OutputProperties if ($AsDatetime) { $Commits | ForEach-Object {$_.AuthorDate = [datetime]$_.AuthorDate} } $Commits } |