From 6d011f1ea513a2d3e332d9393ddd41738018bcb1 Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Sun, 5 Jan 2020 00:36:36 -0500
Subject: [PATCH] Improve :Gclog window title

---
 autoload/fugitive.vim | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 301e4f1..4baa3d4 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -3953,32 +3953,36 @@ function! fugitive#LogCommand(line1, count, range, bang, mods, args, type) abort
   endif
   if a:line1 == 0 && a:count
     let path = fugitive#Path(bufname(a:count), '/', dir)
+    let titlepre = ':0,' . a:count
   elseif a:count >= 0
     let path = fugitive#Path(@%, '/', dir)
+    let titlepre = a:count == 0 ? ':0,' . bufnr('') : ':'
   else
-     let path = ''
+    let titlepre = ':'
+    let path = ''
   endif
   let range = ''
-  let extra = []
+  let extra_args = []
+  let extra_paths = []
   let state = {'context': 'init', 'child_found': 0, 'queue': [], 'follow': 0}
   if path =~# '^/\.git\%(/\|$\)\|^$'
     let path = ''
   elseif a:line1 == 0
     let range = "0," . (a:count ? a:count : bufnr(''))
-    let extra = ['.' . path]
+    let extra_paths = ['.' . path]
     if (empty(paths) || paths ==# ['--']) && !s:HasOpt(args, '--no-follow')
       let state.follow = 1
       if !s:HasOpt(args, '--follow')
-        call insert(args, '--follow')
+        call insert(extra_args, '--follow')
       endif
       if !s:HasOpt(args, '--summary')
-        call insert(args, '--summary')
+        call insert(extra_args, '--summary')
         let state.ignore_summary = 1
       endif
     endif
   elseif a:count > 0
     if !s:HasOpt(args, '--merges', '--no-merges')
-      call insert(args, '--no-merges')
+      call insert(extra_args, '--no-merges')
     endif
     call add(args, '-L' . a:line1 . ',' . a:count . ':' . path[1:-1])
   endif
@@ -3988,7 +3992,7 @@ function! fugitive#LogCommand(line1, count, range, bang, mods, args, type) abort
       call add(args, owner)
     endif
   endif
-  if empty(extra)
+  if empty(extra_paths)
     let path = ''
   endif
   if s:HasOpt(args, '-g', '--walk-reflogs')
@@ -4004,10 +4008,10 @@ function! fugitive#LogCommand(line1, count, range, bang, mods, args, type) abort
   endif
   call extend(cmd,
         \ ['--no-color', '--no-ext-diff', '--pretty=format:fugitive ' . format] +
-        \ args + paths + extra)
+        \ args + extra_args + paths + extra_paths)
   let state.target = path
-  let title = (listnr < 0 ? ':Gclog ' : ':Gllog ') . s:fnameescape(args + paths)
-  if empty(paths + extra) && empty(a:type) && len(s:Relative('/'))
+  let title = titlepre . (listnr < 0 ? 'Gclog ' : 'Gllog ') . s:fnameescape(args + paths)
+  if empty(paths + extra_paths) && empty(a:type) && len(s:Relative('/'))
     let after = '|echohl WarningMsg|echo ' . string('Use :0Glog or :0Gclog for old behavior of targeting current file') . '|echohl NONE' . after
   endif
   return s:QuickfixStream(listnr, title, s:UserCommandList(dir) + cmd, !a:bang, s:function('s:LogParse'), state, dir) . after