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 bugfix release hotfix support help version config finish delete publish rebase' worktree = 'add list prune' } $gitflowsubcommands = @{ init = 'help' feature = 'list start finish publish track diff rebase checkout pull help delete' bugfix = 'list start finish publish track diff rebase checkout pull help delete' release = 'list start finish track publish help delete' hotfix = 'list start finish track publish help delete' support = 'list start help' config = 'list set base' } function script:gitCmdOperations($commands, $command, $filter) { $commands.$command -split ' ' | Where-Object { $_ -like "$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', 'worktree') $script:gitCommandsWithLongParams = $longGitParams.Keys -join '|' $script:gitCommandsWithShortParams = $shortGitParams.Keys -join '|' $script:gitCommandsWithParamValues = $gitParamValues.Keys -join '|' try { if ($null -ne (git help -a 2>&1 | Select-String flow)) { $script:someCommands += 'flow' } } catch { Write-Debug "Search for 'flow' in 'git help' output failed with error: $_" } filter quoteStringWithSpecialChars { if ($_ -and ($_ -match '\s+|#|@|\$|;|,|''|\{|\}|\(|\)')) { $str = $_ -replace "'", "''" "'$str'" } else { $_ } } function script:gitCommands($filter, $includeAliases) { $cmdList = @() if (-not $global:GitTabSettings.AllCommands) { $cmdList += $someCommands -like "$filter*" } else { $cmdList += git help --all | Where-Object { $_ -match '^ \S.*' } | ForEach-Object { $_.Split(' ', [StringSplitOptions]::RemoveEmptyEntries) } | Where-Object { $_ -like "$filter*" } } if ($includeAliases) { $cmdList += gitAliases $filter } $cmdList | Sort-Object } function script:gitRemotes($filter) { git remote | Where-Object { $_ -like "$filter*" } | quoteStringWithSpecialChars } function script:gitBranches($filter, $includeHEAD = $false, $prefix = '') { if ($filter -match "^(?<from>\S*\.{2,3})(?<to>.*)") { $prefix += $matches['from'] $filter = $matches['to'] } $branches = @(git branch --no-color | ForEach-Object { if (($_ -notmatch "^\* \(HEAD detached .+\)$") -and ($_ -match "^\*?\s*(?<ref>.*)")) { $matches['ref'] } }) + @(git branch --no-color -r | ForEach-Object { if ($_ -match "^ (?<ref>\S+)(?: -> .+)?") { $matches['ref'] } }) + @(if ($includeHEAD) { 'HEAD','FETCH_HEAD','ORIG_HEAD','MERGE_HEAD' }) $branches | Where-Object { $_ -ne '(no branch)' -and $_ -like "$filter*" } | ForEach-Object { $prefix + $_ } | quoteStringWithSpecialChars } function script:gitRemoteUniqueBranches($filter) { git branch --no-color -r | ForEach-Object { if ($_ -match "^ (?<remote>[^/]+)/(?<branch>\S+)(?! -> .+)?$") { $matches['branch'] } } | Group-Object -NoElement | Where-Object { $_.Count -eq 1 } | Select-Object -ExpandProperty Name | Where-Object { $_ -like "$filter*" } | quoteStringWithSpecialChars } function script:gitTags($filter, $prefix = '') { git tag | Where-Object { $_ -like "$filter*" } | ForEach-Object { $prefix + $_ } | quoteStringWithSpecialChars } function script:gitFeatures($filter, $command){ $featurePrefix = git config --local --get "gitflow.prefix.$command" $branches = @(git branch --no-color | ForEach-Object { if ($_ -match "^\*?\s*$featurePrefix(?<ref>.*)") { $matches['ref'] } }) $branches | Where-Object { $_ -ne '(no branch)' -and $_ -like "$filter*" } | ForEach-Object { $prefix + $_ } | quoteStringWithSpecialChars } function script:gitRemoteBranches($remote, $ref, $filter, $prefix = '') { git branch --no-color -r | Where-Object { $_ -like " $remote/$filter*" } | ForEach-Object { $prefix + $ref + ($_ -replace " $remote/","") } | quoteStringWithSpecialChars } function script:gitStashes($filter) { (git stash list) -replace ':.*','' | Where-Object { $_ -like "$filter*" } | quoteStringWithSpecialChars } function script:gitTfsShelvesets($filter) { (git tfs shelve-list) | Where-Object { $_ -like "$filter*" } | quoteStringWithSpecialChars } function script:gitFiles($filter, $files) { $files | Sort-Object | Where-Object { $_ -like "$filter*" } | quoteStringWithSpecialChars } function script:gitIndex($GitStatus, $filter) { gitFiles $filter $GitStatus.Index } function script:gitAddFiles($GitStatus, $filter) { gitFiles $filter (@($GitStatus.Working.Unmerged) + @($GitStatus.Working.Modified) + @($GitStatus.Working.Added)) } function script:gitCheckoutFiles($GitStatus, $filter) { gitFiles $filter (@($GitStatus.Working.Unmerged) + @($GitStatus.Working.Modified) + @($GitStatus.Working.Deleted)) } function script:gitDiffFiles($GitStatus, $filter, $staged) { if ($staged) { gitFiles $filter $GitStatus.Index.Modified } else { gitFiles $filter (@($GitStatus.Working.Unmerged) + @($GitStatus.Working.Modified) + @($GitStatus.Index.Modified)) } } function script:gitMergeFiles($GitStatus, $filter) { gitFiles $filter $GitStatus.Working.Unmerged } function script:gitDeleted($GitStatus, $filter) { gitFiles $filter $GitStatus.Working.Deleted } function script:gitAliases($filter) { git config --get-regexp ^alias\. | ForEach-Object{ if ($_ -match "^alias\.(?<alias>\S+) .*") { $alias = $Matches['alias'] if ($alias -like "$filter*") { $alias } } } | Sort-Object -Unique } function script:expandGitAlias($cmd, $rest) { $alias = git config "alias.$cmd" if ($alias) { return "git $alias$rest" } else { return "git $cmd$rest" } } function script:expandLongParams($cmd, $filter) { $longGitParams[$cmd] -split ' ' | Where-Object { $_ -like "$filter*" } | Sort-Object | ForEach-Object { -join ("--", $_) } } function script:expandShortParams($cmd, $filter) { $shortGitParams[$cmd] -split ' ' | Where-Object { $_ -like "$filter*" } | Sort-Object | ForEach-Object { -join ("-", $_) } } function script:expandParamValues($cmd, $param, $filter) { $gitParamValues[$cmd][$param] -split ' ' | Where-Object { $_ -like "$filter*" } | Sort-Object | ForEach-Object { -join ("--", $param, "=", $_) } } function GitTabExpansion($lastBlock) { $res = Invoke-Utf8ConsoleCommand { GitTabExpansionInternal $lastBlock $Global:GitStatus } $res } function GitTabExpansionInternal($lastBlock, $GitStatus = $null) { $ignoreGitParams = '(?<params>\s+-(?:[aA-zZ0-9]+|-[aA-zZ0-9][aA-zZ0-9-]*)(?:=\S+)?)*' if ($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 $Global:TortoiseGitSettings.TortoiseGitCommands.Keys.GetEnumerator() | Sort-Object | Where-Object { $_ -like "$($matches['cmd'])*" } } # Handles gitk if ($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'] $FALSE } # Handles git push remote <ref>:<branch> # Handles git push remote +<ref>:<branch> "^push${ignoreGitParams}\s+(?<remote>[^\s-]\S*).*\s+(?<force>\+?)(?<ref>[^\s\:]*\:)(?<branch>\S*)$" { gitRemoteBranches $matches['remote'] $matches['ref'] $matches['branch'] -prefix $matches['force'] } # Handles git push remote <ref> # Handles git push remote +<ref> # Handles git pull remote <ref> "^(?:push|pull)${ignoreGitParams}\s+(?<remote>[^\s-]\S*).*\s+(?<force>\+?)(?<ref>[^\s\:]*)$" { gitBranches $matches['ref'] -prefix $matches['force'] gitTags $matches['ref'] -prefix $matches['force'] } # Handles git pull <remote> # Handles git push <remote> # Handles git fetch <remote> "^(?:push|pull|fetch)${ignoreGitParams}\s+(?<remote>\S*)$" { gitRemotes $matches['remote'] } # Handles git reset HEAD <path> # Handles git reset HEAD -- <path> "^reset.* HEAD(?:\s+--)? (?<path>\S*)$" { gitIndex $GitStatus $matches['path'] } # Handles git <cmd> <ref> "^commit.*-C\s+(?<ref>\S*)$" { gitBranches $matches['ref'] $true } # Handles git add <path> "^add.* (?<files>\S*)$" { gitAddFiles $GitStatus $matches['files'] } # Handles git checkout -- <path> "^checkout.* -- (?<files>\S*)$" { gitCheckoutFiles $GitStatus $matches['files'] } # Handles git rm <path> "^rm.* (?<index>\S*)$" { gitDeleted $GitStatus $matches['index'] } # Handles git diff/difftool <path> "^(?:diff|difftool)(?:.* (?<staged>(?:--cached|--staged))|.*) (?<files>\S*)$" { gitDiffFiles $GitStatus $matches['files'] $matches['staged'] } # Handles git merge/mergetool <path> "^(?:merge|mergetool).* (?<files>\S*)$" { gitMergeFiles $GitStatus $matches['files'] } # Handles git checkout <ref> "^(?:checkout).* (?<ref>\S*)$" { gitBranches $matches['ref'] $true gitRemoteUniqueBranches $matches['ref'] gitTags $matches['ref'] } # Handles git worktree add <path> <ref> "^worktree add.* (?<files>\S+) (?<ref>\S*)$" { gitBranches $matches['ref'] } # Handles git <cmd> <ref> "^(?:cherry|cherry-pick|diff|difftool|log|merge|rebase|reflog\s+show|reset|revert|show).* (?<ref>\S*)$" { gitBranches $matches['ref'] $true gitTags $matches['ref'] } # Handles git <cmd> --<param>=<value> "^(?<cmd>$gitCommandsWithParamValues).* --(?<param>[^=]+)=(?<value>\S*)$" { expandParamValues $matches['cmd'] $matches['param'] $matches['value'] } # Handles git <cmd> --<param> "^(?<cmd>$gitCommandsWithLongParams).* --(?<param>\S*)$" { expandLongParams $matches['cmd'] $matches['param'] } # Handles git <cmd> -<shortparam> "^(?<cmd>$gitCommandsWithShortParams).* -(?<shortparam>\S*)$" { expandShortParams $matches['cmd'] $matches['shortparam'] } } } $PowerTab_RegisterTabExpansion = if (Get-Module -Name powertab) { Get-Command Register-TabExpansion -Module powertab -ErrorAction SilentlyContinue } if ($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 } } } } |