Initial import

LICENSE

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+Copyright (c) 2022 Paul-Christian Volkmer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# vim-fugistate
+
+## Usage
+This simple plugin provides a function which returns the name of current file with git status if available using
+[vim-fugitive](https://github.com/tpope/vim-fugitive) and is intended for statusline integration.
+
+```vim
+:echo FugiState()
+```
+
+It will show something like `main.c [ M]` for modified file `main.c`.
+
+For example, to show the filename with git status using [lightline.vim](https://github.com/itchyny/lightline.vim),
+configure as follows.
+
+```vim
+let g:lightline = {
+      \ 'active': {
+      \   'left': [ [ 'mode', 'paste' ],
+      \             [ 'readonly', 'filenamestatus', 'modified' ] ]
+      \ },
+      \ 'component_function': {
+      \   'filenamestatus': 'FugiState'
+      \ },
+      \ }
+```
+
+### Filename configuration
+
+The plugin provides `g:fugistate_expand_filename` to modify the value the filename should be expanded to.
+Default value is set to `'%:t'` and will show filename without path. Use available values like `'%:p'` for full path
+or `''` to use `@%` for directory/filename relative to current working directory.
+
+## License
+This software is released under the MIT License, see LICENSE.

autoload/fugistate.vim

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+" Filename: plugin/fugistate.vim
+" Author: Paul-Christian Volkmer <code@pcvolkmer.de>
+" License: MIT License
+
+let s:filename_status = ''
+
+function! fugistate#update()
+
+ if empty(@%)
+    let s:filename_status = ''
+    return
+  endif
+
+  if empty(g:fugistate_expand_filename)
+    let filename = expand(@%)
+  else
+    let filename = expand(g:fugistate_expand_filename)
+  endif
+
+  try
+
+    if ! FugitiveIsGitDir()
+      let s:filename_status = filename
+      return
+    endif
+
+    let gitstatus = FugitiveExecute('status', '-s', @%)
+    if gitstatus.exit_status != 0 || empty(gitstatus.stdout[0])
+      let s:filename_status = filename
+      return
+    endif
+    let s:filename_status = filename . " [" . gitstatus.stdout[0][0:1] . "]"
+
+  catch
+
+    let s:filename_status = filename
+
+  endtry
+
+endfunction
+
+function! fugistate#filename_status()
+
+  return s:filename_status
+
+endfunction

plugin/fugistate.vim

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+" Filename: plugin/fugistate.vim
+" Author: Paul-Christian Volkmer <code@pcvolkmer.de>
+" License: MIT License
+
+if exists('g:loaded_fugistate') || v:version < 800
+  finish
+endif
+let g:loaded_fugistate = 1
+
+if ! exists('g:fugistate_expand_filename')
+  let g:fugistate_expand_filename = '%:t'
+endif
+
+augroup FugiState
+  autocmd!
+  autocmd BufEnter,BufWritePost,FocusGained * :call fugistate#update()
+  autocmd User FugitiveChanged :call fugistate#update()
+augroup END
+
+function! FugiState()
+  return fugistate#filename_status()
+endfunction