Extensions/Git.Log.UGit.Extension.ps1
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<# .Synopsis Log Extension .Description Outputs git log entries as objects .Example git log | Group-Object GitUserEmail -NoElement .EXAMPLE git log | Where-Object -Not Merged #> # It's an extension for Out-Git [Management.Automation.Cmdlet("Out","Git")] # when the pattern is "git log" [ValidatePattern("^git log",Options='IgnoreCase')] param( ) begin { $script:LogChangesMerged = $false $Git_Log = [Regex]::new(@' (?m)^commit # Commits start with 'commit' \s+(?<CommitHash>(?<HexDigits> [0-9abcdef]+ ) ) # The CommitHash is all hex digits after whitespace \s+ # More whitespace (includes the newline) (?:(?:Merge: # Next is the optional merge \s+(?:(?<MergeHash>(?<HexDigits> [0-9abcdef]+ ) )[\s-[\n\r]]{0,} # Which is hex digits, followed by optional whitespace ){2,} [\n\r]+ # followed by a newline ))?Author: # New is the author line \s+(?<GitUserName>(?:.|\s){0,}?(?=\z|\s\<)) # The username comes before whitespace and a < \s+\< # The email is enclosed in <> (?<GitUserEmail>(?:.|\s){0,}?(?=\z|>))\>(?:.|\s){0,}?(?=\z|^date:)Date: # Next comes the Date line \s+(?<CommitDate>(?:.|\s){0,}?(?=\z|\n)) # Since dates can come in many formats, capture the line \n(?<CommitMessage>(?:.|\s){0,}?(?=\z|(?>\r\n|\n){2,2})) # Anything until two newlines is the commit message '@, 'IgnoreCase,IgnorePatternWhitespace', '00:00:05') $lines = @() function OutGitLog { param([string[]]$OutputLines) if (-not $OutputLines) { return } $gitLogMatch = $Git_Log.Match($OutputLines -join [Environment]::NewLine) if (-not $gitLogMatch.Success) { return } $gitLogOut = [Ordered]@{PSTypeName='git.log'} if ($gitCommand -like '*--merges*') { $gitLogOut.PSTypeName = 'git.merge.log' } foreach ($group in $gitLogMatch.Groups) { if ($group.Name -as [int] -ne $null) { continue } if (-not $gitLogOut.Contains($group.Name)) { $gitLogOut[$group.Name] = $group.Value } else { $gitLogOut[$group.Name] = @( $gitLogOut[$group.Name] ) + $group.Value } } $gitLogOut.Remove("HexDigits") if ($gitLogOut.CommitDate) { $gitLogOut.CommitDate = [datetime]::ParseExact($gitLogOut.CommitDate.Trim(), "ddd MMM d HH:mm:ss yyyy K", [cultureinfo]::InvariantCulture) } if ($gitLogOut.CommitMessage) { $gitLogOut.CommitMessage = $gitLogOut.CommitMessage.Trim() } if ($gitLogOut.MergeHash) { $script:LogChangesMerged = $true } $gitLogOut.Merged = $script:LogChangesMerged $gitLogOut.GitRoot = $GitRoot [PSCustomObject]$gitLogOut } } process { if ("$gitOut" -like 'Commit*' -and $lines) { OutGitLog $lines $lines = @() } $lines += "$gitOut" } end { OutGitLog $lines $ExecutionContext.SessionState.PSVariable.Remove('script:LogChangesMerged') } |