GitTabExpansion.ps1
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# Initial implementation by Jeremy Skinner # http://www.jeremyskinner.co.uk/2010/03/07/using-git-with-windows-powershell/ $Global:GitTabSettings = New-Object PSObject -Property @{ AllCommands = $false } $subcommands = @{ bisect = 'start bad good skip reset visualize replay log run' notes = 'edit show' reflog = 'expire delete show' remote = 'add rename rm set-head show prune update' stash = 'list show drop pop apply branch save clear create' submodule = 'add status init update summary foreach sync' svn = 'init fetch clone rebase dcommit branch tag log blame find-rev set-tree create-ignore show-ignore mkdirs commit-diff info proplist propget show-externals gc reset' tfs = 'bootstrap checkin checkintool ct cleanup cleanup-workspaces clone diagnostics fetch help init pull quick-clone rcheckin shelve shelve-list unshelve verify' flow = 'init feature release hotfix' } $gitflowsubcommands = @{ feature = 'list start finish publish track diff rebase checkout pull delete' release = 'list start finish publish track delete' hotfix = 'list start finish publish delete' } function script:gitCmdOperations($commands, $command, $filter) { $commands.$command -split ' ' | where { $_ -like "$filter*" } } $script:someCommands = @('add','am','annotate','archive','bisect','blame','branch','bundle','checkout','cherry','cherry-pick','citool','clean','clone','commit','config','describe','diff','difftool','fetch','format-patch','gc','grep','gui','help','init','instaweb','log','merge','mergetool','mv','notes','prune','pull','push','rebase','reflog','remote','rerere','reset','revert','rm','shortlog','show','stash','status','submodule','svn','tag','whatchanged') try { if ((git help -a 2>&1 | Select-String flow) -ne $null) { $script:someCommands += 'flow' } } catch { } function script:gitCommands($filter, $includeAliases) { $cmdList = @() if (-not $global:GitTabSettings.AllCommands) { $cmdList += $someCommands -like "$filter*" } else { $cmdList += git help --all | where { $_ -match '^ \S.*' } | foreach { $_.Split(' ', [StringSplitOptions]::RemoveEmptyEntries) } | where { $_ -like "$filter*" } } if ($includeAliases) { $cmdList += gitAliases $filter } $cmdList | sort } function script:gitRemotes($filter) { git remote | where { $_ -like "$filter*" } } function script:gitBranches($filter, $includeHEAD = $false) { $prefix = $null if ($filter -match "^(?<from>\S*\.{2,3})(?<to>.*)") { $prefix = $matches['from'] $filter = $matches['to'] } $branches = @(git branch --no-color | foreach { if($_ -match "^\*?\s*(?<ref>.*)") { $matches['ref'] } }) + @(git branch --no-color -r | foreach { if($_ -match "^ (?<ref>\S+)(?: -> .+)?") { $matches['ref'] } }) + @(if ($includeHEAD) { 'HEAD','FETCH_HEAD','ORIG_HEAD','MERGE_HEAD' }) $branches | where { $_ -ne '(no branch)' -and $_ -like "$filter*" } | foreach { $prefix + $_ } } function script:gitTags($filter) { git tag | where { $_ -like "$filter*" } } function script:gitFeatures($filter, $command){ $featurePrefix = git config --local --get "gitflow.prefix.$command" $branches = @(git branch --no-color | foreach { if($_ -match "^\*?\s*$featurePrefix(?<ref>.*)") { $matches['ref'] } }) $branches | where { $_ -ne '(no branch)' -and $_ -like "$filter*" } | foreach { $prefix + $_ } } function script:gitRemoteBranches($remote, $ref, $filter) { git branch --no-color -r | where { $_ -like " $remote/$filter*" } | foreach { $ref + ($_ -replace " $remote/","") } } function script:gitStashes($filter) { (git stash list) -replace ':.*','' | where { $_ -like "$filter*" } | foreach { "'$_'" } } function script:gitTfsShelvesets($filter) { (git tfs shelve-list) | where { $_ -like "$filter*" } | foreach { "'$_'" } } function script:gitFiles($filter, $files) { $files | sort | where { $_ -like "$filter*" } | foreach { if($_ -like '* *') { "'$_'" } else { $_ } } } function script:gitIndex($filter) { gitFiles $filter $GitStatus.Index } function script:gitAddFiles($filter) { gitFiles $filter (@($GitStatus.Working.Unmerged) + @($GitStatus.Working.Modified) + @($GitStatus.Working.Added)) } function script:gitCheckoutFiles($filter) { gitFiles $filter (@($GitStatus.Working.Unmerged) + @($GitStatus.Working.Modified) + @($GitStatus.Working.Deleted)) } function script:gitDiffFiles($filter, $staged) { if ($staged) { gitFiles $filter $GitStatus.Index.Modified } else { gitFiles $filter (@($GitStatus.Working.Unmerged) + @($GitStatus.Working.Modified) + @($GitStatus.Index.Modified)) } } function script:gitMergeFiles($filter) { gitFiles $filter $GitStatus.Working.Unmerged } function script:gitDeleted($filter) { gitFiles $filter $GitStatus.Working.Deleted } function script:gitAliases($filter) { git config --get-regexp ^alias\. | foreach { if($_ -match "^alias\.(?<alias>\S+) .*") { $alias = $Matches['alias'] if($alias -like "$filter*") { $alias } } } | Sort } function script:expandGitAlias($cmd, $rest) { if((git config --get-regexp "^alias\.$cmd`$") -match "^alias\.$cmd (?<cmd>[^!].*)`$") { return "git $($Matches['cmd'])$rest" } else { return "git $cmd$rest" } } function GitTabExpansion($lastBlock) { if($lastBlock -match "^$(Get-AliasPattern git) (?<cmd>\S+)(?<args> .*)$") { $lastBlock = expandGitAlias $Matches['cmd'] $Matches['args'] } # Handles tgit <command> (tortoisegit) if($lastBlock -match "^$(Get-AliasPattern tgit) (?<cmd>\S*)$") { # Need return statement to prevent fall-through. return $tortoiseGitCommands | where { $_ -like "$($matches['cmd'])*" } } # Handles gitk if($lastBlock -match "^$(Get-AliasPattern gitk).* (?<ref>\S*)$"){ return gitBranches $matches['ref'] $true } switch -regex ($lastBlock -replace "^$(Get-AliasPattern git) ","") { # Handles git <cmd> <op> "^(?<cmd>$($subcommands.Keys -join '|'))\s+(?<op>\S*)$" { gitCmdOperations $subcommands $matches['cmd'] $matches['op'] } # Handles git flow <cmd> <op> "^flow (?<cmd>$($gitflowsubcommands.Keys -join '|'))\s+(?<op>\S*)$" { gitCmdOperations $gitflowsubcommands $matches['cmd'] $matches['op'] } # Handles git flow <command> <op> <name> "^flow (?<command>\S*)\s+(?<op>\S*)\s+(?<name>\S*)$" { gitFeatures $matches['name'] $matches['command'] } # Handles git remote (rename|rm|set-head|set-branches|set-url|show|prune) <stash> "^remote.* (?:rename|rm|set-head|set-branches|set-url|show|prune).* (?<remote>\S*)$" { gitRemotes $matches['remote'] } # Handles git stash (show|apply|drop|pop|branch) <stash> "^stash (?:show|apply|drop|pop|branch).* (?<stash>\S*)$" { gitStashes $matches['stash'] } # Handles git bisect (bad|good|reset|skip) <ref> "^bisect (?:bad|good|reset|skip).* (?<ref>\S*)$" { gitBranches $matches['ref'] $true } # Handles git tfs unshelve <shelveset> "^tfs +unshelve.* (?<shelveset>\S*)$" { gitTfsShelvesets $matches['shelveset'] } # Handles git branch -d|-D|-m|-M <branch name> # Handles git branch <branch name> <start-point> "^branch.* (?<branch>\S*)$" { gitBranches $matches['branch'] } # Handles git <cmd> (commands & aliases) "^(?<cmd>\S*)$" { gitCommands $matches['cmd'] $TRUE } # Handles git help <cmd> (commands only) "^help (?<cmd>\S*)$" { gitCommands $matches['cmd'] $FALSE } # Handles git push remote <ref>:<branch> "^push.* (?<remote>\S+) (?<ref>[^\s\:]*\:)(?<branch>\S*)$" { gitRemoteBranches $matches['remote'] $matches['ref'] $matches['branch'] } # Handles git push remote <branch> # Handles git pull remote <branch> "^(?:push|pull).* (?:\S+) (?<branch>[^\s\:]*)$" { gitBranches $matches['branch'] } # Handles git pull <remote> # Handles git push <remote> # Handles git fetch <remote> "^(?:push|pull|fetch).* (?<remote>\S*)$" { gitRemotes $matches['remote'] } # Handles git reset HEAD <path> # Handles git reset HEAD -- <path> "^reset.* HEAD(?:\s+--)? (?<path>\S*)$" { gitIndex $matches['path'] } # Handles git <cmd> <ref> "^commit.*-C\s+(?<ref>\S*)$" { gitBranches $matches['ref'] $true } # Handles git add <path> "^add.* (?<files>\S*)$" { gitAddFiles $matches['files'] } # Handles git checkout -- <path> "^checkout.* -- (?<files>\S*)$" { gitCheckoutFiles $matches['files'] } # Handles git rm <path> "^rm.* (?<index>\S*)$" { gitDeleted $matches['index'] } # Handles git diff/difftool <path> "^(?:diff|difftool)(?:.* (?<staged>(?:--cached|--staged))|.*) (?<files>\S*)$" { gitDiffFiles $matches['files'] $matches['staged'] } # Handles git merge/mergetool <path> "^(?:merge|mergetool).* (?<files>\S*)$" { gitMergeFiles $matches['files'] } # Handles git <cmd> <ref> "^(?:checkout|cherry|cherry-pick|diff|difftool|log|merge|rebase|reflog\s+show|reset|revert|show).* (?<ref>\S*)$" { gitBranches $matches['ref'] $true gitTags $matches['ref'] } } } $PowerTab_RegisterTabExpansion = if (Get-Module -Name powertab) { Get-Command Register-TabExpansion -Module powertab -ErrorAction SilentlyContinue } if ($PowerTab_RegisterTabExpansion) { & $PowerTab_RegisterTabExpansion "git.exe" -Type Command { param($Context, [ref]$TabExpansionHasOutput, [ref]$QuoteSpaces) # 1: $line = $Context.Line $lastBlock = [regex]::Split($line, '[|;]')[-1].TrimStart() $TabExpansionHasOutput.Value = $true GitTabExpansion $lastBlock } return } if (Test-Path Function:\TabExpansion) { Rename-Item Function:\TabExpansion TabExpansionBackup } function TabExpansion($line, $lastWord) { $lastBlock = [regex]::Split($line, '[|;]')[-1].TrimStart() switch -regex ($lastBlock) { # Execute git tab completion for all git-related commands "^$(Get-AliasPattern git) (.*)" { GitTabExpansion $lastBlock } "^$(Get-AliasPattern tgit) (.*)" { GitTabExpansion $lastBlock } "^$(Get-AliasPattern gitk) (.*)" { GitTabExpansion $lastBlock } # Fall back on existing tab expansion default { if (Test-Path Function:\TabExpansionBackup) { TabExpansionBackup $line $lastWord } } } } |