From c21736dde74300fa81eda011d37eaa060a2df4e9 Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Tue, 13 Aug 2019 20:31:16 -0400
Subject: [PATCH] Jump to file not diff for boundary commit in :Gblame

---
 autoload/fugitive.vim | 19 +++++++++++++++----
 doc/fugitive.txt      | 12 +++++++-----
 2 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 6172a9f..a33b414 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -4596,7 +4596,7 @@ function! s:BlameCommitFileLnum(...) abort
   if commit =~# '^0\+$'
     let commit = ''
   elseif line !~# '^\^' && has_key(state, 'blame_reverse_end')
-    let commit = get(s:LinesError('rev-list', '--ancestry-path', '--reverse', commit . '..' . state.blame_reverse_end)[0], 0, commit)
+    let commit = get(s:LinesError('rev-list', '--ancestry-path', '--reverse', commit . '..' . state.blame_reverse_end)[0], 0, '')
   endif
   let lnum = +matchstr(line, ' \zs\d\+\ze \%((\| *\d\+)\)')
   let path = matchstr(line, '^\^\=\x* \+\%(\d\+ \+\d\+ \+\)\=\zs.\{-\}\ze\s\+\%(\%( \d\+ \)\@<!([^()]*\w \d\+)\|\d\+ \)')
@@ -4833,12 +4833,23 @@ function! s:BlameSubcommand(line1, count, range, bang, mods, args) abort
 endfunction
 
 function! s:BlameCommit(cmd, ...) abort
-  let [commit, path, lnum] = call('s:BlameCommitFileLnum', a:000)
+  let line = a:0 ? a:1 : getline('.')
+  let state = a:0 ? a:2 : s:TempState()
+  let sigil = has_key(state, 'blame_reverse_end') ? '-' : '+'
+  let mods = (s:BlameBufnr() < 0 ? '' : &splitbelow ? "botright " : "topleft ")
+  let [commit, path, lnum] = s:BlameCommitFileLnum(line, state)
+  if empty(commit) && len(path) && has_key(state, 'blame_reverse_end')
+    let path = (len(state.blame_reverse_end) ? state.blame_reverse_end . ':' : ':(top)') . path
+    return s:Open(mods . a:cmd, 0, '', '+' . lnum . ' ' . s:fnameescape(path), ['+' . lnum, path])
+  endif
   if commit =~# '^0*$'
     return 'echoerr ' . string('fugitive: no commit')
   endif
-  let sigil = has_key(a:0 ? a:2 : s:TempState(), 'blame_reverse_end') ? '-' : '+'
-  let cmd = s:Open((s:BlameBufnr() < 0 ? '' : &splitbelow ? "botright " : "topleft ") . a:cmd, 0, '', commit, [commit])
+  if line =~# '^\^' && !has_key(state, 'blame_reverse_end')
+    let path = commit . ':' . path
+    return s:Open(mods . a:cmd, 0, '', '+' . lnum . ' ' . s:fnameescape(path), ['+' . lnum, path])
+  endif
+  let cmd = s:Open(mods . a:cmd, 0, '', commit, [commit])
   if cmd =~# '^echoerr'
     return cmd
   endif
diff --git a/doc/fugitive.txt b/doc/fugitive.txt
index 1356b3e..8da7380 100644
--- a/doc/fugitive.txt
+++ b/doc/fugitive.txt
@@ -199,11 +199,13 @@ that are part of Git repositories).
                         A     resize to end of author column
                         C     resize to end of commit column
                         D     resize to end of date/time column
-                        gq    close blame, then |:Gedit| to return to work tree version
-                        <CR>  close blame, then open commit
-                        o     open commit in horizontal split
-                        O     open commit in new tab
-                        p     open commit in preview window
+                        gq    close blame, then |:Gedit| to return to work
+                              tree version
+                        <CR>  close blame, and jump to patch that added line
+                              (or directly to blob for boundary commit)
+                        o     jump to patch or blob in horizontal split
+                        O     jump to patch or blob in new tab
+                        p     jump to patch or blob in preview window
                         -     reblame at commit
                         ~     reblame at [count]th first grandparent
                         P     reblame at [count]th parent (like HEAD^[count])