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" vim: et sw=2 sts=2
scriptencoding utf-8
" Init: values {{{1
let s:has_doau_modeline = v:version > 703 || v:version == 703 && has('patch442')
" Function: #start {{{1
function! sy#start() abort
if g:signify_locked
call sy#verbose('Locked.')
return
endif
let sy_path = resolve(expand('%:p'))
if has('win32')
let sy_path = substitute(sy_path, '\v^(\w):\\\\', '\1:\\', '')
endif
if s:skip(sy_path)
call sy#verbose('Skip file: '. sy_path)
if exists('b:sy')
call sy#sign#remove_all_signs(bufnr(''))
unlet! b:sy
endif
return
endif
if !exists('b:sy') || b:sy.path != sy_path
call sy#verbose('Register new file: '. sy_path)
let b:sy = {
\ 'path': sy_path,
\ 'buffer': bufnr(''),
\ 'active': 0,
\ 'detecting': 0,
\ 'vcs': [],
\ 'hunks': [],
\ 'signid': 0x100,
\ 'updated_by': '',
\ 'stats': [-1, -1, -1],
\ 'info': {
\ 'dir': fnamemodify(sy_path, ':p:h'),
\ 'path': sy#util#escape(sy_path),
\ 'file': sy#util#escape(fnamemodify(sy_path, ':t'))
\ }}
if get(g:, 'signify_disable_by_default')
call sy#verbose('Disabled by default.')
return
endif
let b:sy.active = 1
call sy#repo#detect()
elseif has('vim_starting')
call sy#verbose("Don't run Sy more than once during startup.")
return
elseif !b:sy.active
call sy#verbose('Inactive buffer.')
return
elseif empty(b:sy.vcs)
if get(b:sy, 'retry')
let b:sy.retry = 0
call sy#verbose('Redetecting VCS.')
call sy#repo#detect()
else
if get(b:sy, 'detecting')
call sy#verbose('Detection is already in progress.')
else
call sy#verbose('No VCS found. Disabling.')
call sy#disable()
endif
endif
else
for vcs in b:sy.vcs
let job_id = get(b:, 'sy_job_id_'. vcs)
if type(job_id) != type(0) || job_id > 0
call sy#verbose('Update is already in progress.', vcs)
else
call sy#verbose('Updating signs.', vcs)
call sy#repo#get_diff_start(vcs)
endif
endfor
endif
endfunction
" Function: #set_signs {{{1
function! sy#set_signs(sy, vcs, diff) abort
call sy#verbose('set_signs()', a:vcs)
if a:sy.stats == [-1, -1, -1]
let a:sy.stats = [0, 0, 0]
endif
if empty(a:diff)
call sy#verbose('No changes found.', a:vcs)
let a:sy.stats = [0, 0, 0]
call sy#sign#remove_all_signs(a:sy.buffer)
return
endif
if get(g:, 'signify_line_highlight')
call sy#highlight#line_enable()
else
call sy#highlight#line_disable()
endif
call sy#sign#process_diff(a:sy, a:vcs, a:diff)
if exists('#User#Signify')
execute 'doautocmd' (s:has_doau_modeline ? '<nomodeline>' : '') 'User Signify'
endif
endfunction
" Function: #stop {{{1
function! sy#stop(bufnr) abort
let sy = getbufvar(a:bufnr, 'sy')
if empty(sy)
return
endif
call sy#sign#remove_all_signs(a:bufnr)
endfunction
" Function: #enable {{{1
function! sy#enable() abort
if !exists('b:sy')
call sy#start()
return
endif
if !b:sy.active
let b:sy.active = 1
let b:sy.retry = 1
call sy#start()
endif
endfunction
" Function: #disable {{{1
function! sy#disable() abort
if exists('b:sy') && b:sy.active
call sy#stop(b:sy.buffer)
let b:sy.active = 0
let b:sy.stats = [-1, -1, -1]
endif
endfunction
" Function: #toggle {{{1
function! sy#toggle() abort
if !exists('b:sy') || !b:sy.active
call sy#enable()
else
call sy#disable()
endif
endfunction
" Function: #buffer_is_active {{{1
function! sy#buffer_is_active()
return exists('b:sy') && b:sy.active
endfunction
" Function: #verbose {{{1
function! sy#verbose(msg, ...) abort
if &verbose
if type(a:msg) == type([])
for msg in a:msg
echomsg printf('[sy%s] %s', (a:0 ? ':'.a:1 : ''), msg)
endfor
else
echomsg printf('[sy%s] %s', (a:0 ? ':'.a:1 : ''), a:msg)
endif
endif
endfunction
" Function: s:skip {{{1
function! s:skip(path)
if &diff || !filereadable(a:path)
return 1
endif
if exists('g:signify_skip_filetype')
if has_key(g:signify_skip_filetype, &filetype)
return 1
elseif has_key(g:signify_skip_filetype, 'help') && (&buftype == 'help')
return 1
endif
endif
if exists('g:signify_skip_filename') && has_key(g:signify_skip_filename, a:path)
return 1
endif
if exists('g:signify_skip_filename_pattern')
for pattern in g:signify_skip_filename_pattern
if a:path =~ pattern
return 1
endif
endfor
endif
return 0
endfunction
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