--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/vim-packs/ctrlp.vim/autoload/ctrlp/undo.vim	Sun Dec 18 22:27:56 2022 +0900
@@ -0,0 +1,154 @@
+" =============================================================================
+" File:          autoload/ctrlp/undo.vim
+" Description:   Undo extension
+" Author:        Kien Nguyen <github.com/kien>
+" =============================================================================
+
+" Init {{{1
+if ( exists('g:loaded_ctrlp_undo') && g:loaded_ctrlp_undo )
+	fini
+en
+let g:loaded_ctrlp_undo = 1
+
+cal add(g:ctrlp_ext_vars, {
+	\ 'init': 'ctrlp#undo#init()',
+	\ 'accept': 'ctrlp#undo#accept',
+	\ 'lname': 'undo',
+	\ 'sname': 'udo',
+	\ 'enter': 'ctrlp#undo#enter()',
+	\ 'exit': 'ctrlp#undo#exit()',
+	\ 'type': 'line',
+	\ 'sort': 0,
+	\ 'nolim': 1,
+	\ })
+
+let s:id = g:ctrlp_builtins + len(g:ctrlp_ext_vars)
+
+let s:text = map(['second', 'seconds', 'minutes', 'hours', 'days', 'weeks',
+	\ 'months', 'years'], '" ".v:val." ago"')
+" Utilities {{{1
+fu! s:getundo()
+	if exists('*undotree')
+		\ && ( v:version > 703 || ( v:version == 703 && has('patch005') ) )
+		retu [1, undotree()]
+	el
+		redi => result
+		sil! undol
+		redi END
+		retu [0, split(result, "\n")[1:]]
+	en
+endf
+
+fu! s:flatten(tree, cur)
+	let flatdict = {}
+	for each in a:tree
+		let saved = has_key(each, 'save') ? 'saved' : ''
+		let current = each['seq'] == a:cur ? 'current' : ''
+		cal extend(flatdict, { each['seq'] : [each['time'], saved, current] })
+		if has_key(each, 'alt')
+			cal extend(flatdict, s:flatten(each['alt'], a:cur))
+		en
+	endfo
+	retu flatdict
+endf
+
+fu! s:elapsed(nr)
+	let [text, time] = [s:text, localtime() - a:nr]
+	let mins = time / 60
+	let hrs  = time / 3600
+	let days = time / 86400
+	let wks  = time / 604800
+	let mons = time / 2592000
+	let yrs  = time / 31536000
+	if yrs > 1
+		retu yrs.text[7]
+	elsei mons > 1
+		retu mons.text[6]
+	elsei wks > 1
+		retu wks.text[5]
+	elsei days > 1
+		retu days.text[4]
+	elsei hrs > 1
+		retu hrs.text[3]
+	elsei mins > 1
+		retu mins.text[2]
+	elsei time == 1
+		retu time.text[0]
+	elsei time < 120
+		retu time.text[1]
+	en
+endf
+
+fu! s:syntax()
+	if ctrlp#nosy() | retu | en
+	for [ke, va] in items({'T': 'Directory', 'Br': 'Comment', 'Nr': 'String',
+		\ 'Sv': 'Comment', 'Po': 'Title'})
+		cal ctrlp#hicheck('CtrlPUndo'.ke, va)
+	endfo
+	sy match CtrlPUndoT '\v\d+ \zs[^ ]+\ze|\d+:\d+:\d+'
+	sy match CtrlPUndoBr '\[\|\]'
+	sy match CtrlPUndoNr '\[\d\+\]' contains=CtrlPUndoBr
+	sy match CtrlPUndoSv 'saved'
+	sy match CtrlPUndoPo 'current'
+endf
+
+fu! s:dict2list(dict)
+	for ke in keys(a:dict)
+		let a:dict[ke][0] = s:elapsed(a:dict[ke][0])
+	endfo
+	retu map(keys(a:dict), 'eval(''[v:val, a:dict[v:val]]'')')
+endf
+
+fu! s:compval(...)
+	retu a:2[0] - a:1[0]
+endf
+
+fu! s:format(...)
+	let saved = !empty(a:1[1][1]) ? ' '.a:1[1][1] : ''
+	let current = !empty(a:1[1][2]) ? ' '.a:1[1][2] : ''
+	retu a:1[1][0].' ['.a:1[0].']'.saved.current
+endf
+
+fu! s:formatul(...)
+	let parts = matchlist(a:1,
+		\ '\v^\s+(\d+)\s+\d+\s+([^ ]+\s?[^ ]+|\d+\s\w+\s\w+)(\s*\d*)$')
+	retu parts == [] ? '----'
+		\ : parts[2].' ['.parts[1].']'.( parts[3] != '' ? ' saved' : '' )
+endf
+" Public {{{1
+fu! ctrlp#undo#init()
+	let entries = s:undos[0] ? s:undos[1]['entries'] : s:undos[1]
+	if empty(entries) | retu [] | en
+	if !exists('s:lines')
+		if s:undos[0]
+			let entries = s:dict2list(s:flatten(entries, s:undos[1]['seq_cur']))
+			let s:lines = map(sort(entries, 's:compval'), 's:format(v:val)')
+		el
+			let s:lines = map(reverse(entries), 's:formatul(v:val)')
+		en
+	en
+	cal s:syntax()
+	retu s:lines
+endf
+
+fu! ctrlp#undo#accept(mode, str)
+	let undon = matchstr(a:str, '\[\zs\d\+\ze\]')
+	if empty(undon) | retu | en
+	cal ctrlp#exit()
+	exe 'u' undon
+endf
+
+fu! ctrlp#undo#id()
+	retu s:id
+endf
+
+fu! ctrlp#undo#enter()
+	let s:undos = s:getundo()
+endf
+
+fu! ctrlp#undo#exit()
+	unl! s:lines
+endf
+"}}}
+
+" vim:fen:fdm=marker:fmr={{{,}}}:fdl=0:fdc=1:ts=2:sw=2:sts=2