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" vim: et sw=2 sts=2
scriptencoding utf-8
" Function: #escape {{{1
function! sy#util#escape(path) abort
if exists('+shellslash')
let old_ssl = &shellslash
if fnamemodify(&shell, ':t') == 'cmd.exe'
set noshellslash
else
set shellslash
endif
endif
let path = shellescape(a:path)
if exists('old_ssl')
let &shellslash = old_ssl
endif
return path
endfunction
" Function: #refresh_windows {{{1
function! sy#util#refresh_windows() abort
if exists('*win_getid')
let winid = win_getid()
else
let winnr = winnr()
endif
if !get(g:, 'signify_cmdwin_active')
keepjumps windo if exists('b:sy') | call sy#start() | endif
endif
if exists('winid')
call win_gotoid(winid)
else
execute winnr .'wincmd w'
endif
endfunction
" Function: #hunk_text_object {{{1
function! sy#util#hunk_text_object(emptylines) abort
execute sy#util#return_if_no_changes()
let lnum = line('.')
let hunks = filter(copy(b:sy.hunks), 'v:val.start <= lnum && v:val.end >= lnum')
if empty(hunks)
echomsg 'signify: Here is no hunk.'
return
endif
execute hunks[0].start
normal! V
if a:emptylines
let lnum = hunks[0].end
while getline(lnum+1) =~ '^$'
let lnum += 1
endwhile
execute lnum
else
execute hunks[0].end
endif
endfunction
" Function: #shell_redirect {{{1
function! sy#util#shell_redirect(path) abort
" if shellredir contains a %s it is replaced with the path
" otherwise, just append it (from :help shellredir:
" The name of the temporary file can be represented by '%s' if necessary
" (the file name is appended automatically if no %s appears in the value
" of this option)
if &shellredir =~# '%s'
return substitute(&shellredir, '\C%s', a:path, 'g')
else
return &shellredir .' '. a:path
endif
endfunction
" Function: #chdir {{{1
function! sy#util#chdir() abort
let chdir = haslocaldir()
\ ? 'lcd'
\ : (exists(':tcd') && haslocaldir(-1, 0)) ? 'tcd' : 'cd'
return [getcwd(), chdir]
endfunction
" Function: #has_changes {{{1
function! sy#util#return_if_no_changes() abort
if !exists('b:sy') || empty(b:sy.hunks)
echomsg 'signify: There are no changes.'
return 'return'
endif
return ''
endfunction
" Function: #execute {{{1
function! sy#util#execute(cmd) abort
let lang = v:lang
redir => output
silent! execute a:cmd
redir END
silent! execute 'language message' lang
return output
endfunction
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