From a1cb01da5b2c84ebfbe86a02bfb2e7ef9d830d50 Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Thu, 18 Mar 2021 00:57:30 -0400
Subject: [PATCH] Provide :Gedit - to open previous :Git output

Also, provide :GBrowse - to open the first URL contained in that output.
---
 autoload/fugitive.vim | 39 +++++++++++++++++++++++++++++++++++----
 doc/fugitive.txt      |  1 +
 2 files changed, 36 insertions(+), 4 deletions(-)

diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 0142115..dc137b6 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -2321,6 +2321,20 @@ function! s:TempState(...) abort
   return get(s:temp_files, s:cpath(fnamemodify(a:0 ? a:1 : @%, ':p')), {})
 endfunction
 
+function! fugitive#Result(...) abort
+  if !a:0 || a:1 =~# '^-\=$'
+    return get(g:, '_fugitive_last_job', {})
+  elseif type(a:1) == type(0)
+    return s:TempState(bufname(a:1))
+  elseif type(a:1) == type('')
+    return s:TempState(a:1)
+  elseif type(a:1) == type({}) && has_key(a:1, 'file')
+    return s:TempState(a:1.file)
+  else
+    return {}
+  endif
+endfunction
+
 function! s:TempReadPre(file) abort
   if has_key(s:temp_files, s:cpath(a:file))
     let dict = s:temp_files[s:cpath(a:file)]
@@ -4741,6 +4755,14 @@ function! s:OpenParse(string, wants_cmd) abort
   endwhile
   if len(args)
     let file = join(args)
+    if file ==# '-'
+      let result = fugitive#Result()
+      if has_key(result, 'file')
+        let file = s:fnameescape(result.file)
+      else
+        throw 'fugitive: no previous command output'
+      endif
+    endif
   elseif empty(expand('%'))
     let file = ''
   elseif empty(s:DirCommitFile(@%)[1]) && s:Relative('./') !~# '^\./\.git\>'
@@ -5932,10 +5954,19 @@ function! fugitive#BrowseCommand(line1, count, range, bang, mods, arg, args) abo
     endif
     let validremote = '\.\|\.\=/.*\|[[:alnum:]_-]\+\%(://.\{-\}\)\='
     if arg ==# '-'
-      if a:count >= 0
-        return 'echoerr ' . string('fugitive: ''-'' no longer required to get persistent URL if range given')
-      else
-        return 'echoerr ' . string('fugitive: use :0GBrowse instead of :GBrowse -')
+      let remote = ''
+      let rev = ''
+      let result = fugitive#Result()
+      if filereadable(get(result, 'file', ''))
+        for line in readfile(result.file, 4096)
+          let rev = s:fnameescape(matchstr(line, '\<https\=://[^[:space:]<>]*[^[:space:]<>.,;:"''!?]'))
+          if len(rev)
+            break
+          endif
+        endfor
+        if empty(rev)
+          return 'echoerr ' . string('fugitive: no URL found in output of last :Git')
+        endif
       endif
     elseif !exists('l:remote')
       let remote = matchstr(arg, '@\zs\%('.validremote.'\)$')
diff --git a/doc/fugitive.txt b/doc/fugitive.txt
index 987cdce..ac20d21 100644
--- a/doc/fugitive.txt
+++ b/doc/fugitive.txt
@@ -590,6 +590,7 @@ Makefile        The file named Makefile in the work tree
 !3^2            The second parent of the commit owning buffer #3
 .git/config     The repo config file
 :               The |fugitive-summary| buffer.
+-               A temp file containing the last |:Git| invocation's output
 
 STATUSLINE                                      *fugitive-statusline*