Merge pull request #1877 from maxnordlund/resepct-minwidth-for-vcs

Respect minwidth for hunks and branch parts

autoload/airline/extensions/branch.vim

@@ -266,13 +266,14 @@ function! airline#extensions#branch#head()
     endif
   endif
 
-  let minwidth = empty(get(b:, 'airline_hunks', '')) ? 14 : 7
-  let b:airline_head = airline#util#shorten(b:airline_head, 120, minwidth)
   return b:airline_head
 endfunction
 
 function! airline#extensions#branch#get_head()
   let head = airline#extensions#branch#head()
+  let winwidth = get(airline#parts#get('branch'), 'minwidth', 120)
+  let minwidth = empty(get(b:, 'airline_hunks', '')) ? 14 : 7
+  let head = airline#util#shorten(head, winwidth, minwidth)
   let empty_message = get(g:, 'airline#extensions#branch#empty_message', '')
   let symbol = get(g:, 'airline#extensions#branch#symbol', g:airline_symbols.branch)
   return empty(head)

autoload/airline/extensions/hunks.vim

@@ -42,7 +42,7 @@ function! s:get_hunks_empty()
   return ''
 endfunction
 
-function! s:get_hunks()
+function! airline#extensions#hunks#get_raw_hunks()
   if !exists('b:source_func') || get(b:, 'source_func', '') is# 's:get_hunks_empty'
     if get(g:, 'loaded_signify') && sy#buffer_is_active()
       let b:source_func = 's:get_hunks_signify'
@@ -73,11 +73,12 @@ function! airline#extensions#hunks#get_hunks()
     \ get(b:, 'source_func', '') isnot# 's:get_hunks_changes'
     return b:airline_hunks
   endif
-  let hunks = s:get_hunks()
+  let hunks = airline#extensions#hunks#get_raw_hunks()
   let string = ''
+  let winwidth = get(airline#parts#get('hunks'), 'minwidth', 100)
   if !empty(hunks)
     for i in [0, 1, 2]
-      if (s:non_zero_only == 0 && airline#util#winwidth() > 100) || hunks[i] > 0
+      if (s:non_zero_only == 0 && airline#util#winwidth() > winwidth) || hunks[i] > 0
         let string .= printf('%s%s ', s:hunk_symbols[i], hunks[i])
       endif
     endfor

autoload/airline/init.vim

@@ -151,8 +151,14 @@ function! airline#init#bootstrap()
         \ 'raw': '/%L%{g:airline_symbols.maxlinenr}',
         \ 'accent': 'bold'})
   call airline#parts#define_function('ffenc', 'airline#parts#ffenc')
-  call airline#parts#define_empty(['hunks', 'branch', 'obsession', 'tagbar',
+  call airline#parts#define('hunks', {
-        \ 'syntastic-warn', 'syntastic-err', 'eclim', 'whitespace','windowswap',
+        \ 'raw': '',
+        \ 'minwidth': 100})
+  call airline#parts#define('branch', {
+        \ 'raw': '',
+        \ 'minwidth': 120})
+  call airline#parts#define_empty(['obsession', 'tagbar', 'syntastic-warn',
+        \ 'syntastic-err', 'eclim', 'whitespace','windowswap',
         \ 'ycm_error_count', 'ycm_warning_count', 'neomake_error_count',
         \ 'neomake_warning_count', 'ale_error_count', 'ale_warning_count',
         \ 'languageclient_error_count', 'languageclient_warning_count'])

doc/airline.txt

@@ -632,6 +632,10 @@ vim-signify <https://github.com/mhinz/vim-signify>
 changesPlugin <https://github.com/chrisbra/changesPlugin>
 quickfixsigns <https://github.com/tomtom/quickfixsigns_vim>
 
+You can use `airline#extensions#hunks#get_raw_hunks()` to get the full hunks,
+without shortening. This allows for advanced customization, or a quick way of
+querying how many changes you got. It will return something like '+4 ~2 -1'.
+
 * enable/disable showing a summary of changed hunks under source control. >
   let g:airline#extensions#hunks#enabled = 1
 <