From a26423b0bb8b7b5f0dcb5544de148acfefefe7ff Mon Sep 17 00:00:00 2001
From: Bertrand Sim <bertrand.sim@users.noreply.github.com>
Date: Mon, 7 Jun 2021 17:13:10 +0800
Subject: [PATCH 1/2] refresh GV buffer with r

store the git_log_cmd as a buffer-local variable.
`b:git_log_cmd` can then be used to refresh,
by passing this variable to s:fill().
---
 plugin/gv.vim | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/plugin/gv.vim b/plugin/gv.vim
index b59a12d..a946755 100644
--- a/plugin/gv.vim
+++ b/plugin/gv.vim
@@ -167,6 +167,7 @@ endfunction
 function! s:maps()
   nnoremap <silent> <buffer> q    :$wincmd w <bar> close<cr>
   nnoremap <silent> <buffer> <nowait> gq :$wincmd w <bar> close<cr>
+  nnoremap <silent> <buffer> r    :call <sid>refresh()<cr>
   nnoremap <silent> <buffer> gb   :call <sid>gbrowse()<cr>
   nnoremap <silent> <buffer> <cr> :call <sid>open(0)<cr>
   nnoremap <silent> <buffer> o    :call <sid>open(0)<cr>
@@ -248,13 +249,13 @@ endfunction
 function! s:list(fugitive_repo, log_opts)
   let default_opts = ['--color=never', '--date=short', '--format=%cd %h%d %s (%an)']
   let git_args = ['log'] + default_opts + a:log_opts
-  let git_log_cmd = FugitiveShellCommand(git_args, a:fugitive_repo)
+  let b:git_log_cmd = FugitiveShellCommand(git_args, a:fugitive_repo)
 
   let repo_short_name = fnamemodify(substitute(a:fugitive_repo.dir(), '[\\/]\.git[\\/]\?$', '', ''), ':t')
   let bufname = repo_short_name.' '.join(a:log_opts)
   silent exe (bufexists(bufname) ? 'buffer' : 'file') fnameescape(bufname)
 
-  call s:fill(git_log_cmd)
+  call s:fill(b:git_log_cmd)
   setlocal nowrap tabstop=8 cursorline iskeyword+=#
 
   if !exists(':GBrowse')
@@ -263,7 +264,15 @@ function! s:list(fugitive_repo, log_opts)
   call s:maps()
   call s:syntax()
   redraw
-  echo 'o: open split / O: open tab / gb: GBrowse / q: quit'
+  echo 'o: open split / O: open tab / gb: GBrowse / r: refresh / q: quit'
+endfunction
+
+function! s:refresh()
+  " refresh current GV buffer
+  setlocal modifiable
+  normal! gg"_dG
+  setlocal nomodifiable
+  call s:fill(b:git_log_cmd)
 endfunction
 
 function! s:trim(arg)

From aefcfb3a42829b3bf5aaee5a1eff45c29a6e0c3d Mon Sep 17 00:00:00 2001
From: Bertrand Sim <bertrand.sim@users.noreply.github.com>
Date: Mon, 7 Jun 2021 19:03:43 +0800
Subject: [PATCH 2/2] reorder commands in s:list, to fix b: variable not found
 error

work out b:git_log_cmd _after_ buffer is opened
---
 plugin/gv.vim | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/plugin/gv.vim b/plugin/gv.vim
index a946755..34f8aac 100644
--- a/plugin/gv.vim
+++ b/plugin/gv.vim
@@ -247,14 +247,14 @@ function! s:log_opts(fugitive_repo, bang, visual, line1, line2)
 endfunction
 
 function! s:list(fugitive_repo, log_opts)
-  let default_opts = ['--color=never', '--date=short', '--format=%cd %h%d %s (%an)']
-  let git_args = ['log'] + default_opts + a:log_opts
-  let b:git_log_cmd = FugitiveShellCommand(git_args, a:fugitive_repo)
-
   let repo_short_name = fnamemodify(substitute(a:fugitive_repo.dir(), '[\\/]\.git[\\/]\?$', '', ''), ':t')
   let bufname = repo_short_name.' '.join(a:log_opts)
   silent exe (bufexists(bufname) ? 'buffer' : 'file') fnameescape(bufname)
 
+  let default_opts = ['--color=never', '--date=short', '--format=%cd %h%d %s (%an)']
+  let git_args = ['log'] + default_opts + a:log_opts
+  let b:git_log_cmd = FugitiveShellCommand(git_args, a:fugitive_repo)
+
   call s:fill(b:git_log_cmd)
   setlocal nowrap tabstop=8 cursorline iskeyword+=#