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[vim] Try to make 'dir' option compatible with &autochdir
When 'dir' option is passed to fzf#run(), the current working directory is temporarily changed to the given directory, and restored at the end. However, this behavior is not compatible with &autochdir. This commit introduces a heuristic to determine whether or not to restore the previous working directory. Related: https://github.com/junegunn/fzf.vim/issues/70
This commit is contained in:
Junegunn Choi
parent
b18db4733c
commit
0f281ef894
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@ -1,4 +1,4 @@
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" Copyright (c) 2015 Junegunn Choi
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" Copyright (c) 2016 Junegunn Choi
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"
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" MIT License
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"
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@ -139,17 +139,13 @@ try
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let tmux = !has('nvim') && s:tmux_enabled() && s:splittable(dict)
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let command = prefix.(tmux ? s:fzf_tmux(dict) : fzf_exec).' '.optstr.' > '.temps.result
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try
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if tmux
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return s:execute_tmux(dict, command, temps)
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elseif has('nvim')
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return s:execute_term(dict, command, temps)
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else
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return s:execute(dict, command, temps)
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endif
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finally
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call s:popd(dict)
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endtry
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if has('nvim')
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return s:execute_term(dict, command, temps)
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endif
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let ret = tmux ? s:execute_tmux(dict, command, temps) : s:execute(dict, command, temps)
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call s:popd(dict, ret)
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return ret
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finally
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let &shell = oshell
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endtry
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@ -193,16 +189,28 @@ function! s:pushd(dict)
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return 1
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endif
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let a:dict.prev_dir = cwd
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execute 'chdir '.s:escape(a:dict.dir)
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execute 'chdir' s:escape(a:dict.dir)
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let a:dict.dir = getcwd()
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return 1
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endif
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return 0
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endfunction
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function! s:popd(dict)
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if has_key(a:dict, 'prev_dir') && getcwd() ==# a:dict.dir
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execute 'chdir '.s:escape(remove(a:dict, 'prev_dir'))
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function! s:popd(dict, lines)
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" Since anything can be done in the sink function, there is no telling that
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" the change of the working directory was made by &autochdir setting.
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"
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" We use the following heuristic to determine whether to restore CWD:
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" - Always restore the current directory when &autochdir is disabled.
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" FIXME This makes it impossible to change directory from inside the sink
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" function when &autochdir is not used.
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" - In case of an error or an interrupt, a:lines will be empty.
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" And it will be an array of a single empty string when fzf was finished
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" without a match. In these cases, we presume that the change of the
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" directory is not expected and should be undone.
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if has_key(a:dict, 'prev_dir') &&
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\ (!&autochdir || (empty(a:lines) || len(a:lines) == 1 && empty(a:lines[0])))
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execute 'chdir' s:escape(remove(a:dict, 'prev_dir'))
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endif
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endfunction
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@ -314,7 +322,6 @@ endfunction
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function! s:execute_term(dict, command, temps)
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call s:split(a:dict)
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call s:pushd(a:dict)
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let fzf = { 'buf': bufnr('%'), 'dict': a:dict, 'temps': a:temps, 'name': 'FZF' }
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let s:command = a:command
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@ -338,7 +345,7 @@ function! s:execute_term(dict, command, temps)
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call s:pushd(self.dict)
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try
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call s:callback(self.dict, self.temps)
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let ret = s:callback(self.dict, self.temps)
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if inplace && bufnr('') == self.buf
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execute "normal! \<c-^>"
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@ -348,11 +355,13 @@ function! s:execute_term(dict, command, temps)
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endif
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endif
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finally
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call s:popd(self.dict)
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call s:popd(self.dict, ret)
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endtry
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endfunction
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call s:pushd(a:dict)
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call termopen(a:command, fzf)
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call s:popd(a:dict, [])
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setlocal nospell
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setf fzf
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startinsert
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@ -1,6 +1,7 @@
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Execute (Setup):
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let g:dir = fnamemodify(g:vader_file, ':p:h')
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Log 'Test directory: ' . g:dir
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Save &acd
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Execute (fzf#run with dir option):
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let cwd = getcwd()
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@ -35,6 +36,34 @@ Execute (fzf#run with string source):
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let result = sort(fzf#run({ 'source': 'echo hi', 'options': '-f i' }))
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AssertEqual ['hi'], result
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Execute (fzf#run with dir option and noautochdir):
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set noacd
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let cwd = getcwd()
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call fzf#run({'source': ['/foobar'], 'sink': 'e', 'dir': '/tmp', 'options': '-1'})
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" No change in working directory
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AssertEqual cwd, getcwd()
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Execute (Incomplete fzf#run with dir option and autochdir):
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set acd
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let cwd = getcwd()
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call fzf#run({'source': [], 'sink': 'e', 'dir': '/tmp', 'options': '-0'})
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" No change in working directory even if &acd is set
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AssertEqual cwd, getcwd()
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Execute (fzf#run with dir option and autochdir):
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set acd
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let cwd = getcwd()
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call fzf#run({'source': ['/foobar'], 'sink': 'e', 'dir': '/tmp', 'options': '-1'})
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" Working directory changed due to &acd
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AssertEqual '/', getcwd()
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Execute (fzf#run with dir option and autochdir when final cwd is same as dir):
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set acd
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cd /tmp
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call fzf#run({'source': ['/foobar'], 'sink': 'e', 'dir': '/', 'options': '-1'})
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" Working directory changed due to &acd
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AssertEqual '/', getcwd()
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Execute (Cleanup):
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unlet g:dir
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Restore
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