vim-signify/autoload/sy.vim
2015-05-28 18:40:30 +02:00

130 lines
2.9 KiB
VimL

" vim: et sw=2 sts=2
scriptencoding utf-8
" Init: values {{{1
let g:id_top = 0x100
let g:sy_cache = {}
" Function: #start {{{1
function! sy#start() abort
if g:signify_locked
return
endif
let b:sy_path = resolve(expand('%:p'))
if &diff
\ || !filereadable(b:sy_path)
\ || (exists('g:signify_skip_filetype') && (has_key(g:signify_skip_filetype, &ft)
\ || (has_key(g:signify_skip_filetype, 'help')
\ && &bt == 'help')))
\ || (exists('g:signify_skip_filename') && has_key(g:signify_skip_filename, b:sy_path))
return
endif
" sy_info is used in autoload/sy/repo
if !exists('b:sy_info')
let b:sy_info = {
\ 'chdir': haslocaldir() ? 'lcd' : 'cd',
\ 'dir': fnamemodify(b:sy_path, ':p:h'),
\ 'path': sy#util#escape(b:sy_path),
\ 'file': sy#util#escape(fnamemodify(b:sy_path, ':t')),
\ }
endif
" new buffer.. add to list of registered files
if !exists('b:sy') || b:sy.path != b:sy_path
let b:sy = {
\ 'path' : b:sy_path,
\ 'buffer': bufnr(''),
\ 'active': 0,
\ 'type' : 'unknown',
\ 'hunks' : [],
\ 'id_top': g:id_top,
\ 'stats' : [-1, -1, -1] }
if get(g:, 'signify_disable_by_default')
return
endif
" register buffer as active
let b:sy.active = 1
let [ diff, b:sy.type ] = sy#repo#detect()
if b:sy.type == 'unknown'
return
endif
" register file as active with found VCS
let b:sy.stats = [0, 0, 0]
let dir = fnamemodify(b:sy.path, ':h')
if !has_key(g:sy_cache, dir)
let g:sy_cache[dir] = b:sy.type
endif
if empty(diff)
" no changes found
return
endif
" inactive buffer.. bail out
elseif !b:sy.active
return
" retry detecting VCS
elseif b:sy.type == 'unknown'
let [ diff, b:sy.type ] = sy#repo#detect()
if b:sy.type == 'unknown'
" no VCS found
return
endif
" update signs
else
let diff = sy#repo#get_diff_{b:sy.type}()[1]
let b:sy.id_top = g:id_top
endif
if get(g:, 'signify_line_highlight')
call sy#highlight#line_enable()
else
call sy#highlight#line_disable()
endif
call sy#sign#process_diff(diff)
let b:sy.id_top = (g:id_top - 1)
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)
augroup signify
execute printf('autocmd! * <buffer=%d>', sy.buffer)
augroup END
endfunction
" Function: #toggle {{{1
function! sy#toggle() abort
if !exists('b:sy')
call sy#start()
return
endif
if b:sy.active
call sy#stop(b:sy.buffer)
let b:sy.active = 0
let b:sy.stats = [-1, -1, -1]
else
let b:sy.active = 1
call sy#start()
endif
endfunction