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Avoid narrow :Git subcommand splits in blame windows

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If commit maps are to made available in blame buffers, then the existing
behavior of editing the commit message in a horizontal split of a narrow
window isn't going to cut it.  My ideal solution would be to create a
split that spans both the blame buffer and the original file, but I
don't think there's a practical way to do that, so I've instead settled
for using :topleft/:botright instead, as appropriate.  The other natural
solution would be to switch to the original file and split there, but
that means we'd end up with a scroll-bound window with a mismatched
height, which behaves exactly as poorly as you would expect.

Furthermore, I've made the decision to extend this behavior to paginated
output windows (e.g., `:Git log`), but *not* to other window creation
commands like :Gsplit.

References: https://github.com/tpope/vim-fugitive/issues/2035
This commit is contained in:
Tim Pope
2023-03-01 16:29:16 -05:00
parent e5f9fda842
commit bba8d1beb3
1 changed files with 19 additions and 5 deletions
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24
autoload/fugitive.vim
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@@ -142,14 +142,22 @@ function! s:Mods(mods, ...) abort
let mods = substitute(a:mods, '\C<mods>', '', '')
let mods = mods =~# '\S$' ? mods . ' ' : mods
if a:0 && mods !~# '\<\%(aboveleft\|belowright\|leftabove\|rightbelow\|topleft\|botright\|tab\)\>'
if a:1 ==# 'Edge'
let default = a:1
if default ==# 'SpanOrigin'
if s:OriginBufnr() > 0 && (mods =~# '\<vertical\>' ? &winfixheight : &winfixwidth)
let default = 'Edge'
else
let default = ''
endif
endif
if default ==# 'Edge'
if mods =~# '\<vertical\>' ? &splitright : &splitbelow
let mods = 'botright ' . mods
else
let mods = 'topleft ' . mods
endif
else
let mods = a:1 . ' ' . mods
let mods = default . ' ' . mods
endif
endif
return substitute(mods, '\s\+', ' ', 'g')
@@ -3294,6 +3302,11 @@ function! s:TempDelete(file) abort
return ''
endfunction
function! s:OriginBufnr(...) abort
let state = s:TempState(a:0 ? a:1 : bufnr(''))
return get(state, 'origin_bufnr', -1)
endfunction
augroup fugitive_temp
autocmd!
autocmd BufReadPre * exe s:TempReadPre( +expand('<abuf>'))
@@ -3346,7 +3359,8 @@ function! s:RunEdit(state, tmp, job) abort
let noequalalways = 1
setglobal equalalways
endif
exe substitute(a:state.mods, '\<tab\>', '-tab', 'g') 'keepalt split' s:fnameescape(file)
let mods = s:Mods(a:state.mods, 'SpanOrigin')
exe substitute(mods, '\<tab\>', '-tab', 'g') 'keepalt split' s:fnameescape(file)
finally
if exists('l:noequalalways')
setglobal noequalalways
@@ -3807,9 +3821,9 @@ function! fugitive#Command(line1, line2, range, bang, mods, arg, ...) abort
if pager is# 2 && a:bang && a:line2 >= 0
let [do_edit, after_edit] = s:ReadPrepare(a:line1, a:line2, a:range, a:mods)
elseif pager is# 2 && a:bang
let do_edit = s:Mods(a:mods) . 'pedit'
let do_edit = s:Mods(a:mods, 'SpanOrigin') . 'pedit'
elseif !curwin
let do_edit = s:Mods(a:mods) . 'split'
let do_edit = s:Mods(a:mods, 'SpanOrigin') . 'split'
else
let do_edit = s:Mods(a:mods) . 'edit'
call s:BlurStatus()