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Match Git semantics for GIT_CEILING_DIRECTORIES symlink resolution

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Also support a generic g:ceiling_directories that can be shared with
other plugins that do this sort of detection.

References https://github.com/tpope/vim-fugitive/issues/1412
This commit is contained in:
Tim Pope
2019-12-06 18:00:34 -05:00
parent b48a572475
commit 5d37b17e34
1 changed files with 18 additions and 1 deletions
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19
plugin/fugitive.vim
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@@ -177,6 +177,23 @@ function! s:Tree(path) abort
endif
endfunction
function! s:CeilingDirectories() abort
if !exists('s:ceiling_directories')
let s:ceiling_directories = []
let resolve = 1
for dir in split($GIT_CEILING_DIRECTORIES, has('win32') ? ';' : ':', 1)
if empty(dir)
let resolve = 0
elseif resolve
call add(s:ceiling_directories, resolve(dir))
else
call add(s:ceiling_directories, dir)
endif
endfor
endif
return s:ceiling_directories + get(g:, 'ceiling_directories', [])
endfunction
function! FugitiveExtractGitDir(path) abort
let path = s:Slash(a:path)
if path =~# '^fugitive:'
@@ -203,7 +220,7 @@ function! FugitiveExtractGitDir(path) abort
if root =~# '\v^//%([^/]+/?)?$'
break
endif
if index(split($GIT_CEILING_DIRECTORIES, ':'), root) >= 0
if index(s:CeilingDirectories(), root) >= 0
break
endif
if root ==# $GIT_WORK_TREE && FugitiveIsGitDir(env_git_dir)