diff --git a/README.markdown b/README.markdown
index 83cc075..8c33cc1 100644
--- a/README.markdown
+++ b/README.markdown
@@ -43,7 +43,8 @@ GitHub, `git instaweb` will be spun up instead.
 Add `%{fugitive#statusline()}` to `'statusline'` to get an indicator
 with the current branch in (surprise!) your statusline.
 
-Oh, and of course there's `:Git` for running any arbitrary command.
+Last but not least, there's `:Git` for running any arbitrary command,
+and `Git!` to open the output of a command in a temp file.
 
 Screencasts
 -----------
diff --git a/doc/fugitive.txt b/doc/fugitive.txt
index 6825835..3e0ae1a 100644
--- a/doc/fugitive.txt
+++ b/doc/fugitive.txt
@@ -19,6 +19,10 @@ that are part of Git repositories).
 :Git [args]             Run an arbitrary git command. Similar to :!git [args]
                         but chdir to the repository tree first.
 
+                                                *fugitive-:Git!*
+:Git! [args]            Like |:Git|, but capture the output into a temp file,
+                        and edit that temp file.
+
                                                 *fugitive-:Gcd*
 :Gcd [directory]        |:cd| relative to the repository.
 
@@ -78,10 +82,15 @@ that are part of Git repositories).
 :Gvsplit [revision]     |:vsplit| a |fugitive-revision|.
 
                                                 *fugitive-:Gtabedit*
-:Gtabedit [revision]    |:tabedit| a |fugitive-revision|
+:Gtabedit [revision]    |:tabedit| a |fugitive-revision|.
 
                                                 *fugitive-:Gpedit*
-:Gpedit [revision]      |:pedit| a |fugitive-revision|
+:Gpedit [revision]      |:pedit| a |fugitive-revision|.
+
+:Gsplit! [args]                 *fugitive-:Gsplit!* *fugitive-:Gvsplit!*
+:Gvsplit! [args]                *fugitive-:Gtabedit!* *fugitive-:Gpedit!*
+:Gtabedit! [args]       Like |:Git!|, but open the resulting temp file in a
+:Gpedit! [args]         split, tab, or preview window.
 
                                                 *fugitive-:Gread*
 :Gread [revision]       Empty the buffer and |:read| a |fugitive-revision|.
@@ -92,6 +101,12 @@ that are part of Git repositories).
 :{range}Gread [revision]
                         |:read| in a |fugitive-revision| after {range}.
 
+                                                *fugitive-:Gread!*
+:Gread! [args]          Empty the buffer and |:read| the output of a Git
+                        command.  For example, :Gread! show HEAD:%.
+
+:{range}Gread! [args]  |:read| the output of a Git command after {range}.
+
                                                 *fugitive-:Gwrite*
 :Gwrite                 Write to the current file's path and stage the results.
                         When run in a work tree file, it is effectively git
diff --git a/plugin/fugitive.vim b/plugin/fugitive.vim
index 31df5ad..247ac5f 100644
--- a/plugin/fugitive.vim
+++ b/plugin/fugitive.vim
@@ -497,6 +497,9 @@ function! s:ExecuteInTree(cmd) abort
 endfunction
 
 function! s:Git(bang,cmd) abort
+  if a:bang
+    return s:Edit('edit',1,a:cmd)
+  endif
   let git = s:repo().git_command()
   if has('gui_running') && !has('win32')
     let git .= ' --no-pager'
@@ -897,7 +900,7 @@ endfunction
 " }}}1
 " Gedit, Gpedit, Gsplit, Gvsplit, Gtabedit, Gread {{{1
 
-function! s:Edit(cmd,...) abort
+function! s:Edit(cmd,bang,...) abort
   if a:cmd !~# 'read'
     if &previewwindow && getbufvar('','fugitive_type') ==# 'index'
       wincmd p
@@ -914,6 +917,36 @@ function! s:Edit(cmd,...) abort
     endif
   endif
 
+  if a:bang
+    let args = s:gsub(a:0 ? a:1 : '', '\\@<!%(\\\\)*\zs[%#]', '\=s:buffer().expand(submatch(0))')
+    if a:cmd =~# 'read'
+      let git = s:repo().git_command()
+      let last = line('$')
+      silent call s:ExecuteInTree((a:cmd ==# 'read' ? '$read' : a:cmd).'!'.git.' --no-pager '.args)
+      if a:cmd ==# 'read'
+        silent execute '1,'.last.'delete_'
+      endif
+      call fugitive#reload_status()
+      diffupdate
+      return 'redraw|echo '.string(':!'.git.' '.args)
+    else
+      let temp = tempname()
+      let s:temp_files[temp] = s:repo().dir()
+      silent execute a:cmd.' '.temp
+      if a:cmd =~# 'pedit'
+        wincmd P
+      endif
+      let echo = s:Edit('read',1,args)
+      silent write!
+      setlocal readonly nomodified nomodifiable filetype=git foldmarker=<<<<<<<,>>>>>>>
+      if a:cmd =~# 'pedit'
+        wincmd p
+      endif
+      return echo
+    endif
+    return ''
+  endif
+
   if a:0 && a:1 == ''
     return ''
   elseif a:0
@@ -936,16 +969,20 @@ function! s:Edit(cmd,...) abort
 endfunction
 
 function! s:EditComplete(A,L,P) abort
-  return s:repo().superglob(a:A)
+  if a:L =~# '^\w\+!'
+    return s:GitComplete(a:A,a:L,a:P)
+  else
+    return s:repo().superglob(a:A)
+  endif
 endfunction
 
-call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Ge       :execute s:Edit('edit<bang>',<f-args>)")
-call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gedit    :execute s:Edit('edit<bang>',<f-args>)")
-call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gpedit   :execute s:Edit('pedit<bang>',<f-args>)")
-call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gsplit   :execute s:Edit('split<bang>',<f-args>)")
-call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gvsplit  :execute s:Edit('vsplit<bang>',<f-args>)")
-call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gtabedit :execute s:Edit('tabedit<bang>',<f-args>)")
-call s:command("-bar -bang -nargs=? -count -complete=customlist,s:EditComplete Gread :execute s:Edit((!<count> && <line1> ? '' : <count>).'read<bang>',<f-args>)")
+call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Ge       :execute s:Edit('edit<bang>',0,<f-args>)")
+call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gedit    :execute s:Edit('edit<bang>',0,<f-args>)")
+call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gpedit   :execute s:Edit('pedit',<bang>0,<f-args>)")
+call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gsplit   :execute s:Edit('split',<bang>0,<f-args>)")
+call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gvsplit  :execute s:Edit('vsplit',<bang>0,<f-args>)")
+call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gtabedit :execute s:Edit('tabedit',<bang>0,<f-args>)")
+call s:command("-bar -bang -nargs=? -count -complete=customlist,s:EditComplete Gread :execute s:Edit((!<count> && <line1> ? '' : <count>).'read',<bang>0,<f-args>)")
 
 " }}}1
 " Gwrite, Gwq {{{1
@@ -1917,15 +1954,18 @@ function! s:GF(mode) abort
   try
     let buffer = s:buffer()
     let myhash = buffer.sha1()
+    if myhash ==# '' && getline(1) =~# '^\%(commit\|tag\) \w'
+      let myhash = matchstr(getline(1),'^\w\+ \zs\S\+')
+    endif
 
     if buffer.type('tree')
       let showtree = (getline(1) =~# '^tree ' && getline(2) == "")
       if showtree && line('.') == 1
         return ""
       elseif showtree && line('.') > 2
-        return s:Edit(a:mode,buffer.commit().':'.s:buffer().path().(buffer.path() =~# '^$\|/$' ? '' : '/').s:sub(getline('.'),'/$',''))
+        return s:Edit(a:mode,0,buffer.commit().':'.s:buffer().path().(buffer.path() =~# '^$\|/$' ? '' : '/').s:sub(getline('.'),'/$',''))
       elseif getline('.') =~# '^\d\{6\} \l\{3,8\} \x\{40\}\t'
-        return s:Edit(a:mode,buffer.commit().':'.s:buffer().path().(buffer.path() =~# '^$\|/$' ? '' : '/').s:sub(matchstr(getline('.'),'\t\zs.*'),'/$',''))
+        return s:Edit(a:mode,0,buffer.commit().':'.s:buffer().path().(buffer.path() =~# '^$\|/$' ? '' : '/').s:sub(matchstr(getline('.'),'\t\zs.*'),'/$',''))
       endif
 
     elseif buffer.type('blob')
@@ -1935,7 +1975,7 @@ function! s:GF(mode) abort
       catch /^fugitive:/
       endtry
       if exists('sha1')
-        return s:Edit(a:mode,ref)
+        return s:Edit(a:mode,0,ref)
       endif
 
     else
@@ -1944,29 +1984,29 @@ function! s:GF(mode) abort
       if getline('.') =~# '^\d\{6\} \x\{40\} \d\t'
         let ref = matchstr(getline('.'),'\x\{40\}')
         let file = ':'.s:sub(matchstr(getline('.'),'\d\t.*'),'\t',':')
-        return s:Edit(a:mode,file)
+        return s:Edit(a:mode,0,file)
 
       elseif getline('.') =~# '^#\trenamed:.* -> '
         let file = '/'.matchstr(getline('.'),' -> \zs.*')
-        return s:Edit(a:mode,file)
+        return s:Edit(a:mode,0,file)
       elseif getline('.') =~# '^#\t[[:alpha:] ]\+: *.'
         let file = '/'.matchstr(getline('.'),': *\zs.\{-\}\ze\%( (new commits)\)\=$')
-        return s:Edit(a:mode,file)
+        return s:Edit(a:mode,0,file)
       elseif getline('.') =~# '^#\t.'
         let file = '/'.matchstr(getline('.'),'#\t\zs.*')
-        return s:Edit(a:mode,file)
+        return s:Edit(a:mode,0,file)
       elseif getline('.') =~# ': needs merge$'
         let file = '/'.matchstr(getline('.'),'.*\ze: needs merge$')
-        return s:Edit(a:mode,file).'|Gdiff'
+        return s:Edit(a:mode,0,file).'|Gdiff'
 
       elseif getline('.') ==# '# Not currently on any branch.'
-        return s:Edit(a:mode,'HEAD')
+        return s:Edit(a:mode,0,'HEAD')
       elseif getline('.') =~# '^# On branch '
         let file = 'refs/heads/'.getline('.')[12:]
-        return s:Edit(a:mode,file)
+        return s:Edit(a:mode,0,file)
       elseif getline('.') =~# "^# Your branch .*'"
         let file = matchstr(getline('.'),"'\\zs\\S\\+\\ze'")
-        return s:Edit(a:mode,file)
+        return s:Edit(a:mode,0,file)
       endif
 
       let showtree = (getline(1) =~# '^tree ' && getline(2) == "")
@@ -1974,6 +2014,10 @@ function! s:GF(mode) abort
       if getline('.') =~# '^ref: '
         let ref = strpart(getline('.'),5)
 
+      elseif getline('.') =~# '^commit \x\{40\}\>'
+        let ref = matchstr(getline('.'),'\x\{40\}')
+        return s:Edit(a:mode,0,ref)
+
       elseif getline('.') =~# '^parent \x\{40\}\>'
         let ref = matchstr(getline('.'),'\x\{40\}')
         let line = line('.')
@@ -1982,14 +2026,14 @@ function! s:GF(mode) abort
           let parent += 1
           let line -= 1
         endwhile
-        return s:Edit(a:mode,ref)
+        return s:Edit(a:mode,0,ref)
 
       elseif getline('.') =~ '^tree \x\{40\}$'
         let ref = matchstr(getline('.'),'\x\{40\}')
         if s:repo().rev_parse(myhash.':') == ref
           let ref = myhash.':'
         endif
-        return s:Edit(a:mode,ref)
+        return s:Edit(a:mode,0,ref)
 
       elseif getline('.') =~# '^object \x\{40\}$' && getline(line('.')+1) =~ '^type \%(commit\|tree\|blob\)$'
         let ref = matchstr(getline('.'),'\x\{40\}')
@@ -2047,9 +2091,9 @@ function! s:GF(mode) abort
       endif
 
       if exists('dref')
-        return s:Edit(a:mode,ref) . '|'.dcmd.' '.s:fnameescape(dref)
+        return s:Edit(a:mode,0,ref) . '|'.dcmd.' '.s:fnameescape(dref)
       elseif ref != ""
-        return s:Edit(a:mode,ref)
+        return s:Edit(a:mode,0,ref)
       endif
 
     endif