From dea49a1967b69f50ea7573ec81243fd67d7b7f26 Mon Sep 17 00:00:00 2001
From: Marco Hinz <mh.codebro@gmail.com>
Date: Fri, 3 Feb 2017 01:49:46 +0100
Subject: [PATCH] Fix toggling when g:signify_disable_by_default is set

---
 autoload/sy.vim | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/autoload/sy.vim b/autoload/sy.vim
index 3bd9ea8..c07901d 100644
--- a/autoload/sy.vim
+++ b/autoload/sy.vim
@@ -52,8 +52,14 @@ function! sy#start() abort
     call sy#verbose('Inactive buffer.')
     return
   elseif b:sy.vcs == 'unknown'
-    call sy#verbose('No VCS found. Disabling.')
-    call sy#disable()
+    if get(b:sy, 'retry')
+      let b:sy.retry = 0
+      call sy#verbose('Redetecting VCS.')
+      call sy#repo#detect(1)
+    else
+      call sy#verbose('No VCS found. Disabling.')
+      call sy#disable()
+    endif
   else
     call sy#verbose('Updating signs.')
     call sy#repo#get_diff_start(b:sy.vcs, 0)
@@ -101,8 +107,16 @@ endfunction
 
 " Function: #enable {{{1
 function! sy#enable() abort
-  silent! unlet b:sy b:sy_info
-  call sy#start()
+  if !exists('b:sy')
+    call sy#start()
+    return
+  endif
+
+  if !b:sy.active
+    let b:sy.active = 1
+    let b:sy.retry  = 1
+    call sy#start()
+  endif
 endfunction
 
 " Function: #disable {{{1