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Document important API functions

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This commit is contained in:
Tim Pope
2019-08-20 08:40:39 -04:00
parent a510b3aadf
commit 9dcf1d7d81
1 changed files with 38 additions and 12 deletions
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50
plugin/fugitive.vim
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@@ -20,18 +20,14 @@ function! FugitiveGitDir(...) abort
endif endif
endfunction endfunction
function! FugitiveCommonDir(...) abort " FugitiveReal() takes a fugitive:// URL and returns the corresponding path in
let dir = FugitiveGitDir(a:0 ? a:1 : -1) " the work tree. This may be useful to get a cleaner path for inclusion in
if empty(dir) " the statusline, for example. Note that the file and its parent directories
return '' " are not guaranteed to exist.
endif "
return fugitive#CommonDir(dir) " This is intended as an abstract API to be used on any "virtual" path. For a
endfunction " buffer named foo://bar, check for a function named FooReal(), and if it
" exists, call FooReal("foo://bar").
function! FugitiveWorkTree(...) abort
return s:Tree(FugitiveGitDir(a:0 ? a:1 : -1))
endfunction
function! FugitiveReal(...) abort function! FugitiveReal(...) abort
let file = a:0 ? a:1 : @% let file = a:0 ? a:1 : @%
if file =~# '^\a\a\+:' || a:0 > 1 if file =~# '^\a\a\+:' || a:0 > 1
@@ -43,6 +39,13 @@ function! FugitiveReal(...) abort
endif endif
endfunction endfunction
" FugitiveFind() takes a Fugitive object and returns the appropriate Vim
" buffer name. You can use this to generate Fugitive URLs ("HEAD:README") or
" to get the absolute path to a file in the Git dir (".git/HEAD"), the common
" dir (".git/config"), or the work tree (":(top)Makefile").
"
" An optional second argument provides the Git dir, or the buffer number of a
" buffer with a Git dir. The default is the current buffer.
function! FugitiveFind(...) abort function! FugitiveFind(...) abort
return fugitive#Find(a:0 ? a:1 : bufnr(''), FugitiveGitDir(a:0 > 1 ? a:2 : -1)) return fugitive#Find(a:0 ? a:1 : bufnr(''), FugitiveGitDir(a:0 > 1 ? a:2 : -1))
endfunction endfunction
@@ -55,6 +58,9 @@ function! FugitivePath(...) abort
endif endif
endfunction endfunction
" FugitiveParse() takes a fugitive:// URL and returns a 2 element list
" containing the Git dir and an object name ("commit:file"). It's effectively
" then inverse of FugitiveFind().
function! FugitiveParse(...) abort function! FugitiveParse(...) abort
let path = s:Slash(a:0 ? a:1 : @%) let path = s:Slash(a:0 ? a:1 : @%)
if path !~# '^fugitive:' if path !~# '^fugitive:'
@@ -68,6 +74,14 @@ function! FugitiveParse(...) abort
throw v:errmsg throw v:errmsg
endfunction endfunction
" FugitivePrepare() constructs a Git command string which can be executed with
" functions like system() and commands like :!. Integer arguments will be
" treated as buffer numbers, and the appropriate relative path inserted in
" their place.
"
" If the first argument is a string that looks like a path or an empty string,
" it will be used as the Git dir. If it's a buffer number, the Git dir for
" that buffer will be used. The default is the current buffer.
function! FugitivePrepare(...) abort function! FugitivePrepare(...) abort
return call('fugitive#Prepare', a:000) return call('fugitive#Prepare', a:000)
endfunction endfunction
@@ -101,6 +115,18 @@ function! FugitiveStatusline(...) abort
return fugitive#Statusline() return fugitive#Statusline()
endfunction endfunction
function! FugitiveCommonDir(...) abort
let dir = FugitiveGitDir(a:0 ? a:1 : -1)
if empty(dir)
return ''
endif
return fugitive#CommonDir(dir)
endfunction
function! FugitiveWorkTree(...) abort
return s:Tree(FugitiveGitDir(a:0 ? a:1 : -1))
endfunction
function! FugitiveIsGitDir(path) abort function! FugitiveIsGitDir(path) abort
let path = substitute(a:path, '[\/]$', '', '') . '/' let path = substitute(a:path, '[\/]$', '', '') . '/'
return len(a:path) && getfsize(path.'HEAD') > 10 && ( return len(a:path) && getfsize(path.'HEAD') > 10 && (