mirror of
https://github.com/airblade/vim-gitgutter.git
synced 2025-11-08 11:33:48 -05:00
76d1cf609d
If GitGutter* highlight groups already exist, they were declared
deliberately (either by the colorscheme maintainer or the user). So do
not adjust them.
However if you would like to make the signs' backgrounds match the sign
column, you can do this:
let g:gitgutter_set_sign_backgrounds = 1
242 lines
9.1 KiB
VimL
242 lines
9.1 KiB
VimL
function! gitgutter#highlight#line_disable() abort
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let g:gitgutter_highlight_lines = 0
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call s:define_sign_line_highlights()
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if !g:gitgutter_signs
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call gitgutter#sign#clear_signs(bufnr(''))
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endif
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redraw!
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endfunction
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function! gitgutter#highlight#line_enable() abort
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let old_highlight_lines = g:gitgutter_highlight_lines
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let g:gitgutter_highlight_lines = 1
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call s:define_sign_line_highlights()
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if !old_highlight_lines && !g:gitgutter_signs
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call gitgutter#all(1)
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endif
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redraw!
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endfunction
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function! gitgutter#highlight#line_toggle() abort
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if g:gitgutter_highlight_lines
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call gitgutter#highlight#line_disable()
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else
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call gitgutter#highlight#line_enable()
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endif
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endfunction
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function! gitgutter#highlight#linenr_disable() abort
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let g:gitgutter_highlight_linenrs = 0
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call s:define_sign_linenr_highlights()
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if !g:gitgutter_signs
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call gitgutter#sign#clear_signs(bufnr(''))
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endif
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redraw!
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endfunction
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function! gitgutter#highlight#linenr_enable() abort
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let old_highlight_linenrs = g:gitgutter_highlight_linenrs
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let g:gitgutter_highlight_linenrs = 1
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call s:define_sign_linenr_highlights()
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if !old_highlight_linenrs && !g:gitgutter_signs
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call gitgutter#all(1)
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endif
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redraw!
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endfunction
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function! gitgutter#highlight#linenr_toggle() abort
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if g:gitgutter_highlight_linenrs
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call gitgutter#highlight#linenr_disable()
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else
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call gitgutter#highlight#linenr_enable()
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endif
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endfunction
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function! gitgutter#highlight#define_highlights() abort
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let [guibg, ctermbg] = s:get_background_colors('SignColumn')
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" Highlights used by the signs.
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" When they are invisible.
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execute "highlight GitGutterAddInvisible guifg=bg guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
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execute "highlight GitGutterChangeInvisible guifg=bg guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
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execute "highlight GitGutterDeleteInvisible guifg=bg guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
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highlight default link GitGutterChangeDeleteInvisible GitGutterChangeInvisible
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" When they are visible.
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for type in ["Add", "Change", "Delete"]
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if hlexists("GitGutter".type)
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if g:gitgutter_set_sign_backgrounds
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execute "highlight GitGutter".type." guibg=".guibg." ctermbg=".ctermbg
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endif
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continue
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elseif s:useful_diff_colours()
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let [guifg, ctermfg] = s:get_foreground_colors('Diff'.type)
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else
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let [guifg, ctermfg] = s:get_foreground_fallback_colors(type)
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endif
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execute "highlight GitGutter".type." guifg=".guifg." guibg=".guibg." ctermfg=".ctermfg." ctermbg=".ctermbg
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endfor
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highlight default link GitGutterChangeDelete GitGutterChange
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" Highlights used for the whole line.
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highlight default link GitGutterAddLine DiffAdd
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highlight default link GitGutterChangeLine DiffChange
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highlight default link GitGutterDeleteLine DiffDelete
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highlight default link GitGutterChangeDeleteLine GitGutterChangeLine
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highlight default link GitGutterAddLineNr CursorLineNr
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highlight default link GitGutterChangeLineNr CursorLineNr
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highlight default link GitGutterDeleteLineNr CursorLineNr
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highlight default link GitGutterChangeDeleteLineNr CursorLineNr
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" Highlights used intra line.
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highlight GitGutterAddIntraLine gui=reverse cterm=reverse
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highlight GitGutterDeleteIntraLine gui=reverse cterm=reverse
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" Set diff syntax colours (used in the preview window) - diffAdded,diffChanged,diffRemoved -
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" to match the signs, if not set aleady.
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for [dtype,type] in [['Added','Add'], ['Changed','Change'], ['Removed','Delete']]
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if !hlexists('diff'.dtype)
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let [guifg, ctermfg] = s:get_foreground_colors('GitGutter'.type)
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execute "highlight diff".dtype." guifg=".guifg." ctermfg=".ctermfg." guibg=NONE ctermbg=NONE"
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endif
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endfor
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endfunction
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function! gitgutter#highlight#define_signs() abort
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sign define GitGutterLineAdded
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sign define GitGutterLineModified
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sign define GitGutterLineRemoved
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sign define GitGutterLineRemovedFirstLine
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sign define GitGutterLineRemovedAboveAndBelow
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sign define GitGutterLineModifiedRemoved
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call s:define_sign_text()
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call gitgutter#highlight#define_sign_text_highlights()
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call s:define_sign_line_highlights()
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call s:define_sign_linenr_highlights()
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endfunction
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function! s:define_sign_text() abort
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execute "sign define GitGutterLineAdded text=" . g:gitgutter_sign_added
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execute "sign define GitGutterLineModified text=" . g:gitgutter_sign_modified
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execute "sign define GitGutterLineRemoved text=" . g:gitgutter_sign_removed
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execute "sign define GitGutterLineRemovedFirstLine text=" . g:gitgutter_sign_removed_first_line
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execute "sign define GitGutterLineRemovedAboveAndBelow text=" . g:gitgutter_sign_removed_above_and_below
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execute "sign define GitGutterLineModifiedRemoved text=" . g:gitgutter_sign_modified_removed
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endfunction
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function! gitgutter#highlight#define_sign_text_highlights() abort
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" Once a sign's text attribute has been defined, it cannot be undefined or
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" set to an empty value. So to make signs' text disappear (when toggling
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" off or disabling) we make them invisible by setting their foreground colours
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" to the background's.
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if g:gitgutter_signs
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sign define GitGutterLineAdded texthl=GitGutterAdd
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sign define GitGutterLineModified texthl=GitGutterChange
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sign define GitGutterLineRemoved texthl=GitGutterDelete
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sign define GitGutterLineRemovedFirstLine texthl=GitGutterDelete
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sign define GitGutterLineRemovedAboveAndBelow texthl=GitGutterDelete
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sign define GitGutterLineModifiedRemoved texthl=GitGutterChangeDelete
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else
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sign define GitGutterLineAdded texthl=GitGutterAddInvisible
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sign define GitGutterLineModified texthl=GitGutterChangeInvisible
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sign define GitGutterLineRemoved texthl=GitGutterDeleteInvisible
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sign define GitGutterLineRemovedFirstLine texthl=GitGutterDeleteInvisible
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sign define GitGutterLineRemovedAboveAndBelow texthl=GitGutterDeleteInvisible
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sign define GitGutterLineModifiedRemoved texthl=GitGutterChangeDeleteInvisible
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endif
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endfunction
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function! s:define_sign_line_highlights() abort
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if g:gitgutter_highlight_lines
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sign define GitGutterLineAdded linehl=GitGutterAddLine
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sign define GitGutterLineModified linehl=GitGutterChangeLine
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sign define GitGutterLineRemoved linehl=GitGutterDeleteLine
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sign define GitGutterLineRemovedFirstLine linehl=GitGutterDeleteLine
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sign define GitGutterLineRemovedAboveAndBelow linehl=GitGutterDeleteLine
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sign define GitGutterLineModifiedRemoved linehl=GitGutterChangeDeleteLine
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else
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sign define GitGutterLineAdded linehl=
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sign define GitGutterLineModified linehl=
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sign define GitGutterLineRemoved linehl=
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sign define GitGutterLineRemovedFirstLine linehl=
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sign define GitGutterLineRemovedAboveAndBelow linehl=
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sign define GitGutterLineModifiedRemoved linehl=
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endif
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endfunction
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function! s:define_sign_linenr_highlights() abort
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if has('nvim-0.3.2')
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try
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if g:gitgutter_highlight_linenrs
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sign define GitGutterLineAdded numhl=GitGutterAddLineNr
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sign define GitGutterLineModified numhl=GitGutterChangeLineNr
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sign define GitGutterLineRemoved numhl=GitGutterDeleteLineNr
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sign define GitGutterLineRemovedFirstLine numhl=GitGutterDeleteLineNr
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sign define GitGutterLineRemovedAboveAndBelow numhl=GitGutterDeleteLineNr
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sign define GitGutterLineModifiedRemoved numhl=GitGutterChangeDeleteLineNr
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else
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sign define GitGutterLineAdded numhl=
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sign define GitGutterLineModified numhl=
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sign define GitGutterLineRemoved numhl=
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sign define GitGutterLineRemovedFirstLine numhl=
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sign define GitGutterLineRemovedAboveAndBelow numhl=
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sign define GitGutterLineModifiedRemoved numhl=
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endif
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catch /E475/
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endtry
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endif
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endfunction
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function! s:get_hl(group, what, mode) abort
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let r = synIDattr(synIDtrans(hlID(a:group)), a:what, a:mode)
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if empty(r) || r == -1
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return 'NONE'
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endif
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return r
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endfunction
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function! s:get_foreground_colors(group) abort
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let ctermfg = s:get_hl(a:group, 'fg', 'cterm')
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let guifg = s:get_hl(a:group, 'fg', 'gui')
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return [guifg, ctermfg]
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endfunction
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function! s:get_background_colors(group) abort
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let ctermbg = s:get_hl(a:group, 'bg', 'cterm')
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let guibg = s:get_hl(a:group, 'bg', 'gui')
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return [guibg, ctermbg]
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endfunction
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function! s:useful_diff_colours()
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let [guifg_add, ctermfg_add] = s:get_foreground_colors('DiffAdd')
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let [guifg_del, ctermfg_del] = s:get_foreground_colors('DiffDelete')
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return guifg_add != guifg_del && ctermfg_add != ctermfg_del
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endfunction
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function! s:get_foreground_fallback_colors(type)
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if a:type == 'Add'
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return ['#009900', '2']
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elseif a:type == 'Change'
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return ['#bbbb00', '3']
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elseif a:type == 'Delete'
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return ['#ff2222', '1']
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endif
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endfunction
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