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Handle range-diff commit header lines in s:cfile() #2353

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Handle range-diff commit header lines in s:cfile() #2353

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16 changes: 16 additions & 0 deletions autoload/fugitive.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -8135,6 +8135,9 @@ function! s:BranchCfile(result) abort
endfunction

let s:diff_header_pattern = '^diff --git \%("\=[abciow12]/.*\|/dev/null\) \%("\=[abciow12]/.*\|/dev/null\)$'
let s:rdiff_hash_or_missing = '\(\x\{7,40\}\|-\{7,40\}\)'
let s:rdiff_side = '\%(-\|\d\+\):\s\+' . s:rdiff_hash_or_missing
let s:rdiff_header_pattern = '^' . s:rdiff_side . '\s\+[=!<>]\s\+' . s:rdiff_side . '\s\+'
function! s:cfile() abort
let temp_state = s:TempState()
let name = substitute(get(get(temp_state, 'args', []), 0, ''), '\%(^\|-\)\(\l\)', '\u\1', 'g')
Expand Down Expand Up @@ -8232,6 +8235,19 @@ function! s:cfile() abort
let dcmds = ['', 'Gdiffsplit! >' . myhash . '^:' . fnameescape(files[0])]
endif

elseif getline('.') =~# s:rdiff_header_pattern
let ref = ''
let matches = matchlist(getline('.'), s:rdiff_header_pattern)
if matches[1] =~# '^-\+$' && matches[2] =~# '^\x\{7,40\}$'
let ref = matches[2]
elseif matches[2] =~# '^-\+$' && matches[1] =~# '^\x\{7,40\}$'
let ref = matches[1]
elseif matches[1] =~# '^\x\{7,40\}$' && matches[1] == matches[2]
let ref = matches[1]
elseif expand('<cword>') =~# '^\x\{7,40\}$'
let ref = expand('<cword>')
endif

elseif getline('.') =~# '^[+-]'
let [header_lnum, old_lnum, new_lnum] = s:HunkPosition(line('.'))
if new_lnum > 0
Expand Down