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let s:nomodeline = (v:version > 703 || (v:version == 703 && has('patch442'))) ? '<nomodeline>' : ''
" Primary functions {{{
function! gitgutter#all() abort
for buffer_id in tabpagebuflist()
let file = expand('#' . buffer_id . ':p')
if !empty(file)
call gitgutter#process_buffer(buffer_id, 0)
endif
endfor
endfunction
" bufnr: (integer) the buffer to process.
" realtime: (boolean) when truthy, do a realtime diff; otherwise do a disk-based diff.
function! gitgutter#process_buffer(bufnr, realtime) abort
call gitgutter#utility#use_known_shell()
call gitgutter#utility#set_buffer(a:bufnr)
if gitgutter#utility#is_active()
if g:gitgutter_sign_column_always
call gitgutter#sign#add_dummy_sign()
endif
try
if !a:realtime || gitgutter#utility#has_fresh_changes()
let diff = gitgutter#diff#run_diff(a:realtime || gitgutter#utility#has_unsaved_changes(), 0)
if diff != 'async'
call gitgutter#handle_diff(diff)
endif
endif
catch /diff failed/
call gitgutter#debug#log('diff failed')
call gitgutter#hunk#reset()
endtry
execute "silent doautocmd" s:nomodeline "User GitGutter"
else
call gitgutter#hunk#reset()
endif
call gitgutter#utility#restore_shell()
endfunction
function! gitgutter#handle_diff(diff) abort
call gitgutter#debug#log(a:diff)
call setbufvar(gitgutter#utility#bufnr(), 'gitgutter_tracked', 1)
call gitgutter#hunk#set_hunks(gitgutter#diff#parse_diff(a:diff))
let modified_lines = gitgutter#diff#process_hunks(gitgutter#hunk#hunks())
if len(modified_lines) > g:gitgutter_max_signs
call gitgutter#utility#warn_once('exceeded maximum number of signs (configured by g:gitgutter_max_signs).', 'max_signs')
call gitgutter#sign#clear_signs()
return
endif
if g:gitgutter_signs || g:gitgutter_highlight_lines
call gitgutter#sign#update_signs(modified_lines)
endif
call gitgutter#utility#save_last_seen_change()
endfunction
function! gitgutter#disable() abort
" get list of all buffers (across all tabs)
let buflist = []
for i in range(tabpagenr('$'))
call extend(buflist, tabpagebuflist(i + 1))
endfor
for buffer_id in buflist
let file = expand('#' . buffer_id . ':p')
if !empty(file)
call gitgutter#utility#set_buffer(buffer_id)
call gitgutter#sign#clear_signs()
call gitgutter#sign#remove_dummy_sign(1)
call gitgutter#hunk#reset()
endif
endfor
let g:gitgutter_enabled = 0
endfunction
function! gitgutter#enable() abort
let g:gitgutter_enabled = 1
call gitgutter#all()
endfunction
function! gitgutter#toggle() abort
if g:gitgutter_enabled
call gitgutter#disable()
else
call gitgutter#enable()
endif
endfunction
" }}}
" Line highlights {{{
function! gitgutter#line_highlights_disable() abort
let g:gitgutter_highlight_lines = 0
call gitgutter#highlight#define_sign_line_highlights()
if !g:gitgutter_signs
call gitgutter#sign#clear_signs()
call gitgutter#sign#remove_dummy_sign(0)
endif
redraw!
endfunction
function! gitgutter#line_highlights_enable() abort
let old_highlight_lines = g:gitgutter_highlight_lines
let g:gitgutter_highlight_lines = 1
call gitgutter#highlight#define_sign_line_highlights()
if !old_highlight_lines && !g:gitgutter_signs
call gitgutter#all()
endif
redraw!
endfunction
function! gitgutter#line_highlights_toggle() abort
if g:gitgutter_highlight_lines
call gitgutter#line_highlights_disable()
else
call gitgutter#line_highlights_enable()
endif
endfunction
" }}}
" Signs {{{
function! gitgutter#signs_enable() abort
let old_signs = g:gitgutter_signs
let g:gitgutter_signs = 1
call gitgutter#highlight#define_sign_text_highlights()
if !old_signs && !g:gitgutter_highlight_lines
call gitgutter#all()
endif
endfunction
function! gitgutter#signs_disable() abort
let g:gitgutter_signs = 0
call gitgutter#highlight#define_sign_text_highlights()
if !g:gitgutter_highlight_lines
call gitgutter#sign#clear_signs()
call gitgutter#sign#remove_dummy_sign(0)
endif
endfunction
function! gitgutter#signs_toggle() abort
if g:gitgutter_signs
call gitgutter#signs_disable()
else
call gitgutter#signs_enable()
endif
endfunction
" }}}
" Hunks {{{
function! gitgutter#stage_hunk() abort
call gitgutter#utility#use_known_shell()
if gitgutter#utility#is_active()
" Ensure the working copy of the file is up to date.
" It doesn't make sense to stage a hunk otherwise.
noautocmd silent write
let diff = gitgutter#diff#run_diff(0, 1)
call gitgutter#handle_diff(diff)
if empty(gitgutter#hunk#current_hunk())
call gitgutter#utility#warn('cursor is not in a hunk')
else
let diff_for_hunk = gitgutter#diff#generate_diff_for_hunk(diff, 'stage')
call gitgutter#utility#system(gitgutter#utility#command_in_directory_of_file(g:gitgutter_git_executable.' apply --cached --unidiff-zero - '), diff_for_hunk)
" refresh gitgutter's view of buffer
silent execute "GitGutter"
endif
silent! call repeat#set("\<Plug>GitGutterStageHunk", -1)<CR>
endif
call gitgutter#utility#restore_shell()
endfunction
function! gitgutter#undo_hunk() abort
call gitgutter#utility#use_known_shell()
if gitgutter#utility#is_active()
" Ensure the working copy of the file is up to date.
" It doesn't make sense to stage a hunk otherwise.
noautocmd silent write
let diff = gitgutter#diff#run_diff(0, 1)
call gitgutter#handle_diff(diff)
if empty(gitgutter#hunk#current_hunk())
call gitgutter#utility#warn('cursor is not in a hunk')
else
let diff_for_hunk = gitgutter#diff#generate_diff_for_hunk(diff, 'undo')
call gitgutter#utility#system(gitgutter#utility#command_in_directory_of_file(g:gitgutter_git_executable.' apply --reverse --unidiff-zero - '), diff_for_hunk)
" reload file preserving screen line position
let wl = winline()
silent edit
let offset = wl - winline()
execute "normal ".offset."\<C-Y>"
endif
silent! call repeat#set("\<Plug>GitGutterUndoHunk", -1)<CR>
endif
call gitgutter#utility#restore_shell()
endfunction
function! gitgutter#preview_hunk() abort
call gitgutter#utility#use_known_shell()
if gitgutter#utility#is_active()
" Ensure the working copy of the file is up to date.
" It doesn't make sense to stage a hunk otherwise.
noautocmd silent write
let diff = gitgutter#diff#run_diff(0, 1)
call gitgutter#handle_diff(diff)
if empty(gitgutter#hunk#current_hunk())
call gitgutter#utility#warn('cursor is not in a hunk')
else
let diff_for_hunk = gitgutter#diff#generate_diff_for_hunk(diff, 'preview')
silent! wincmd P
if !&previewwindow
execute 'bo ' . &previewheight . ' new'
set previewwindow
endif
setlocal noro modifiable filetype=diff buftype=nofile bufhidden=delete noswapfile
execute "%delete_"
call append(0, split(diff_for_hunk, "\n"))
wincmd p
endif
endif
call gitgutter#utility#restore_shell()
endfunction
" }}}
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