245 lines
9.4 KiB
VimL
245 lines
9.4 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) && s:get_foreground_colors("GitGutter".type) != ['NONE', 'NONE']
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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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if hlexists("GitGutterChangeDelete") && g:gitgutter_set_sign_backgrounds
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execute "highlight GitGutterChangeDelete guibg=".guibg." ctermbg=".ctermbg
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endif
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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 default GitGutterAddIntraLine gui=reverse cterm=reverse
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highlight default 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=NONE
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sign define GitGutterLineModified linehl=NONE
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sign define GitGutterLineRemoved linehl=NONE
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sign define GitGutterLineRemovedFirstLine linehl=NONE
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sign define GitGutterLineRemovedAboveAndBelow linehl=NONE
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sign define GitGutterLineModifiedRemoved linehl=NONE
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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=NONE
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sign define GitGutterLineModified numhl=NONE
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sign define GitGutterLineRemoved numhl=NONE
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sign define GitGutterLineRemovedFirstLine numhl=NONE
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sign define GitGutterLineRemovedAboveAndBelow numhl=NONE
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sign define GitGutterLineModifiedRemoved numhl=NONE
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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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