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+" vim600: set foldmethod=marker:
+"
+" SVK extension for VCSCommand.
+"
+" Version:       VCS development
+" Maintainer:    Bob Hiestand <bob.hiestand@gmail.com>
+" License:
+" Copyright (c) 2007 Bob Hiestand
+"
+" Permission is hereby granted, free of charge, to any person obtaining a copy
+" of this software and associated documentation files (the "Software"), to
+" deal in the Software without restriction, including without limitation the
+" rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+" sell copies of the Software, and to permit persons to whom the Software is
+" furnished to do so, subject to the following conditions:
+"
+" The above copyright notice and this permission notice shall be included in
+" all copies or substantial portions of the Software.
+"
+" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+" AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+" FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+" IN THE SOFTWARE.
+"
+" Section: Documentation {{{1
+"
+" Options documentation: {{{2
+"
+" VCSCommandSVKExec
+"   This variable specifies the SVK executable.  If not set, it defaults to
+"   'svk' executed from the user's executable path.
+
+" Section: Plugin header {{{1
+
+if v:version < 700
+	echohl WarningMsg|echomsg 'VCSCommand requires at least VIM 7.0'|echohl None
+	finish
+endif
+
+runtime plugin/vcscommand.vim
+
+if !executable(VCSCommandGetOption('VCSCommandSVKExec', 'svk'))
+	" SVK is not installed
+	finish
+endif
+
+let s:save_cpo=&cpo
+set cpo&vim
+
+" Section: Variable initialization {{{1
+
+let s:svkFunctions = {}
+
+" Section: Utility functions {{{1
+
+" Function: s:DoCommand(cmd, cmdName, statusText, options) {{{2
+" Wrapper to VCSCommandDoCommand to add the name of the SVK executable to the
+" command argument.
+function! s:DoCommand(cmd, cmdName, statusText, options)
+	if VCSCommandGetVCSType(expand('%')) == 'SVK'
+		let fullCmd = VCSCommandGetOption('VCSCommandSVKExec', 'svk') . ' ' . a:cmd
+		return VCSCommandDoCommand(fullCmd, a:cmdName, a:statusText, a:options)
+	else
+		throw 'SVK VCSCommand plugin called on non-SVK item.'
+	endif
+endfunction
+
+" Section: VCS function implementations {{{1
+
+" Function: s:svkFunctions.Identify(buffer) {{{2
+function! s:svkFunctions.Identify(buffer)
+	let fileName = resolve(bufname(a:buffer))
+	if isdirectory(fileName)
+		let directoryName = fileName
+	else
+		let directoryName = fnamemodify(fileName, ':p:h')
+	endif
+	let statusText = system(VCSCommandGetOption('VCSCommandSVKExec', 'svk') . ' info "' . directoryName . '"')
+	if(v:shell_error)
+		return 0
+	else
+		return 1
+	endif
+endfunction
+
+" Function: s:svkFunctions.Add() {{{2
+function! s:svkFunctions.Add(argList)
+	return s:DoCommand(join(['add'] + a:argList, ' '), 'add', join(a:argList, ' '), {})
+endfunction
+
+" Function: s:svkFunctions.Annotate(argList) {{{2
+function! s:svkFunctions.Annotate(argList)
+	if len(a:argList) == 0
+		if &filetype == 'SVKAnnotate'
+			" Perform annotation of the version indicated by the current line.
+			let caption = matchstr(getline('.'),'\v^\s+\zs\d+')
+			let options = ' -r' . caption
+		else
+			let caption = ''
+			let options = ''
+		endif
+	elseif len(a:argList) == 1 && a:argList[0] !~ '^-'
+		let caption = a:argList[0]
+		let options = ' -r' . caption
+	else
+		let caption = join(a:argList, ' ')
+		let options = ' ' . caption
+	endif
+
+	let resultBuffer = s:DoCommand('blame' . options, 'annotate', caption, {})
+	if resultBuffer > 0
+		normal 1G2dd
+		set filetype=SVKAnnotate
+	endif
+	return resultBuffer
+endfunction
+
+" Function: s:svkFunctions.Commit(argList) {{{2
+function! s:svkFunctions.Commit(argList)
+	let resultBuffer = s:DoCommand('commit -F "' . a:argList[0] . '"', 'commit', '', {})
+	if resultBuffer == 0
+		echomsg 'No commit needed.'
+	endif
+endfunction
+
+" Function: s:svkFunctions.Delete() {{{2
+function! s:svkFunctions.Delete(argList)
+	return s:DoCommand(join(['delete'] + a:argList, ' '), 'delete', join(a:argList, ' '), {})
+endfunction
+
+" Function: s:svkFunctions.Diff(argList) {{{2
+function! s:svkFunctions.Diff(argList)
+	if len(a:argList) == 0
+		let revOptions = [] 
+		let caption = ''
+	elseif len(a:argList) <= 2 && match(a:argList, '^-') == -1
+		let revOptions = ['-r' . join(a:argList, ':')]
+		let caption = '(' . a:argList[0] . ' : ' . get(a:argList, 1, 'current') . ')'
+	else
+		" Pass-through
+		let caption = join(a:argList, ' ')
+		let revOptions = a:argList
+	endif
+
+	let resultBuffer = s:DoCommand(join(['diff'] + revOptions), 'diff', caption, {})
+	if resultBuffer > 0
+		set filetype=diff
+	else
+		echomsg 'No differences found'
+	endif
+	return resultBuffer
+endfunction
+
+" Function: s:svkFunctions.GetBufferInfo() {{{2
+" Provides version control details for the current file.  Current version
+" number and current repository version number are required to be returned by
+" the vcscommand plugin.
+" Returns: List of results:  [revision, repository]
+
+function! s:svkFunctions.GetBufferInfo()
+	let originalBuffer = VCSCommandGetOriginalBuffer(bufnr('%'))
+	let fileName = resolve(bufname(originalBuffer))
+	let statusText = system(VCSCommandGetOption('VCSCommandSVKExec', 'svk') . ' status -v "' . fileName . '"')
+	if(v:shell_error)
+		return []
+	endif
+
+	" File not under SVK control.
+	if statusText =~ '^?'
+		return ['Unknown']
+	endif
+
+	let [flags, revision, repository] = matchlist(statusText, '^\(.\{3}\)\s\+\(\S\+\)\s\+\(\S\+\)\s\+\(\S\+\)\s')[1:3]
+	if revision == ''
+		" Error
+		return ['Unknown']
+	elseif flags =~ '^A'
+		return ['New', 'New']
+	else
+		return [revision, repository]
+	endif
+endfunction
+
+" Function: s:svkFunctions.Info(argList) {{{2
+function! s:svkFunctions.Info(argList)
+	return s:DoCommand(join(['info'] + a:argList, ' '), 'info', join(a:argList, ' '), {})
+endfunction
+
+" Function: s:svkFunctions.Lock(argList) {{{2
+function! s:svkFunctions.Lock(argList)
+	return s:DoCommand(join(['lock'] + a:argList, ' '), 'lock', join(a:argList, ' '), {})
+endfunction
+
+" Function: s:svkFunctions.Log() {{{2
+function! s:svkFunctions.Log(argList)
+	if len(a:argList) == 0
+		let options = []
+		let caption = ''
+	elseif len(a:argList) <= 2 && match(a:argList, '^-') == -1
+		let options = ['-r' . join(a:argList, ':')]
+		let caption = options[0]
+	else
+		" Pass-through
+		let options = a:argList
+		let caption = join(a:argList, ' ')
+	endif
+
+	let resultBuffer = s:DoCommand(join(['log', '-v'] + options), 'log', caption, {})
+	return resultBuffer
+endfunction
+
+" Function: s:svkFunctions.Revert(argList) {{{2
+function! s:svkFunctions.Revert(argList)
+	return s:DoCommand('revert', 'revert', '', {})
+endfunction
+
+" Function: s:svkFunctions.Review(argList) {{{2
+function! s:svkFunctions.Review(argList)
+	if len(a:argList) == 0
+		let versiontag = '(current)'
+		let versionOption = ''
+	else
+		let versiontag = a:argList[0]
+		let versionOption = ' -r ' . versiontag . ' '
+	endif
+
+	let resultBuffer = s:DoCommand('cat' . versionOption, 'review', versiontag, {})
+	if resultBuffer > 0
+		let &filetype=getbufvar(b:VCSCommandOriginalBuffer, '&filetype')
+	endif
+	return resultBuffer
+endfunction
+
+" Function: s:svkFunctions.Status(argList) {{{2
+function! s:svkFunctions.Status(argList)
+	let options = ['-v']
+	if len(a:argList) == 0
+		let options = a:argList
+	endif
+	return s:DoCommand(join(['status'] + options, ' '), 'status', join(options, ' '), {})
+endfunction
+
+" Function: s:svkFunctions.Unlock(argList) {{{2
+function! s:svkFunctions.Unlock(argList)
+	return s:DoCommand(join(['unlock'] + a:argList, ' '), 'unlock', join(a:argList, ' '), {})
+endfunction
+" Function: s:svkFunctions.Update(argList) {{{2
+function! s:svkFunctions.Update(argList)
+	return s:DoCommand('update', 'update', '', {})
+endfunction
+
+" Section: Plugin Registration {{{1
+call VCSCommandRegisterModule('SVK', expand('<sfile>'), s:svkFunctions, [])
+
+let &cpo = s:save_cpo