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Improve :BCommits Preview (#1525)

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Reduce the preview of :BCommits to the relevant part, when used with visual selection.
Only show the part of the diff that belongs to the selection.

That makes it very easy to quickly follow the evolution of a code block.
This commit is contained in:
Felix Endres
2024-05-23 05:56:13 +02:00
committed by GitHub
parent 71b0e0fb94
commit 08dcd814a9
1 changed files with 18 additions and 8 deletions
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26
autoload/fzf/vim.vim
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@@ -1474,14 +1474,22 @@ function! s:commits(range, buffer_local, args)
let args = copy(a:args)
let log_opts = len(args) && type(args[0]) == type('') ? remove(args, 0) : ''
let with_preview = !s:is_win && &columns > s:wide
if len(a:range) || a:buffer_local
if !managed
return s:warn('The current buffer is not in the working tree')
endif
let source .= len(a:range)
\ ? join([printf(' -L %d,%d:%s --no-patch', a:range[0], a:range[1], fzf#shellescape(current)), log_opts])
\ : join([' --follow', log_opts, fzf#shellescape(current)])
if len(a:range)
let source .= join([printf(' -L %d,%d:%s --no-patch', a:range[0], a:range[1], fzf#shellescape(current)), log_opts])
if with_preview
let previewparams = join([printf('log -L %d,%d:%s', a:range[0], a:range[1], fzf#shellescape(current)), log_opts])
let previewfilter = " | awk '/commit {1}/ {flag=1;print;next} /^[^ ]*commit/{flag=0} flag' "
let previewcmd = prefix . previewparams .' --color=always '. previewfilter
endif
else
let source .= join([' --follow', log_opts, fzf#shellescape(current)])
endif
let command = 'BCommits'
else
let source .= join([' --graph', log_opts])
@@ -1503,12 +1511,14 @@ function! s:commits(range, buffer_local, args)
let options.options[-1] .= ',ctrl-d'
endif
if !s:is_win && &columns > s:wide
if with_preview
if !len(a:range)
let orderfile = tempname()
call writefile([current[len(s:git_root)+1:]], orderfile)
let previewcmd = 'echo {} | grep -o "[a-f0-9]\{7,\}" | head -1 | xargs ' . prefix . 'show -O'.fzf#shellescape(orderfile).' --format=format: --color=always '
endif
let suffix = executable('delta') ? '| delta --width $FZF_PREVIEW_COLUMNS' : ''
let orderfile = tempname()
call writefile([current[len(s:git_root)+1:]], orderfile)
call extend(options.options,
\ ['--preview', 'echo {} | grep -o "[a-f0-9]\{7,\}" | head -1 | xargs ' . prefix . 'show -O'.fzf#shellescape(orderfile).' --format=format: --color=always ' . suffix])
call extend(options.options, ['--preview', previewcmd . suffix])
endif
return s:fzf(a:buffer_local ? 'bcommits' : 'commits', options, args)