--- a/mercurial/help/config.txt	Tue Sep 12 19:27:01 2017 -0700
+++ b/mercurial/help/config.txt	Mon Sep 11 17:49:49 2017 +0000
@@ -2007,7 +2007,9 @@
 
 ``origbackuppath``
     The path to a directory used to store generated .orig files. If the path is
-    not a directory, one will be created.
+    not a directory, one will be created.  If set, files stored in this
+    directory have the same name as the original file and do not have a .orig
+    suffix.
 
 ``paginate``
   Control the pagination of command output (default: True). See :hg:`help pager`

--- a/mercurial/scmutil.py	Tue Sep 12 19:27:01 2017 -0700
+++ b/mercurial/scmutil.py	Mon Sep 11 17:49:49 2017 +0000
@@ -553,7 +553,7 @@
     '''customize where .orig files are created
 
     Fetch user defined path from config file: [ui] origbackuppath = <path>
-    Fall back to default (filepath) if not specified
+    Fall back to default (filepath with .orig suffix) if not specified
     '''
     origbackuppath = ui.config('ui', 'origbackuppath')
     if origbackuppath is None:
@@ -567,7 +567,7 @@
         ui.note(_('creating directory: %s\n') % origbackupdir)
         util.makedirs(origbackupdir)
 
-    return fullorigpath + ".orig"
+    return fullorigpath
 
 class _containsnode(object):
     """proxy __contains__(node) to container.__contains__ which accepts revs"""

--- a/tests/test-largefiles-misc.t	Tue Sep 12 19:27:01 2017 -0700
+++ b/tests/test-largefiles-misc.t	Mon Sep 11 17:49:49 2017 +0000
@@ -528,13 +528,13 @@
   $ echo moremore >> anotherlarge
   $ hg revert anotherlarge -v --config 'ui.origbackuppath=.hg/origbackups'
   creating directory: $TESTTMP/addrm2/.hg/origbackups/.hglf/sub (glob)
-  saving current version of ../.hglf/sub/anotherlarge as $TESTTMP/addrm2/.hg/origbackups/.hglf/sub/anotherlarge.orig (glob)
+  saving current version of ../.hglf/sub/anotherlarge as $TESTTMP/addrm2/.hg/origbackups/.hglf/sub/anotherlarge (glob)
   reverting ../.hglf/sub/anotherlarge (glob)
   creating directory: $TESTTMP/addrm2/.hg/origbackups/sub (glob)
   found 90c622cf65cebe75c5842f9136c459333faf392e in store
   found 90c622cf65cebe75c5842f9136c459333faf392e in store
   $ ls ../.hg/origbackups/sub
-  anotherlarge.orig
+  anotherlarge
   $ cd ..
 
 Test glob logging from the root dir

--- a/tests/test-merge-local.t	Tue Sep 12 19:27:01 2017 -0700
+++ b/tests/test-merge-local.t	Mon Sep 11 17:49:49 2017 +0000
@@ -110,7 +110,7 @@
 
 Are orig files from the last commit where we want them?
   $ ls .hg/origbackups
-  zzz2_merge_bad.orig
+  zzz2_merge_bad
 
   $ hg diff --nodates | grep "^[+-][^<>]"
   --- a/zzz1_merge_ok

--- a/tests/test-mq-qpush-fail.t	Tue Sep 12 19:27:01 2017 -0700
+++ b/tests/test-mq-qpush-fail.t	Mon Sep 11 17:49:49 2017 +0000
@@ -465,7 +465,7 @@
 test previous qpop (with --force and --config) saved .orig files to where user
 wants them
   $ ls .hg/origbackups
-  b.orig
+  b
   $ rm -rf .hg/origbackups
 
   $ cd ..

--- a/tests/test-mq.t	Tue Sep 12 19:27:01 2017 -0700
+++ b/tests/test-mq.t	Mon Sep 11 17:49:49 2017 +0000
@@ -1388,7 +1388,7 @@
   $ hg qpush -f --verbose --config 'ui.origbackuppath=.hg/origbackups'
   applying empty
   creating directory: $TESTTMP/forcepush/.hg/origbackups (glob)
-  saving current version of hello.txt as $TESTTMP/forcepush/.hg/origbackups/hello.txt.orig (glob)
+  saving current version of hello.txt as $TESTTMP/forcepush/.hg/origbackups/hello.txt (glob)
   patching file hello.txt
   committing files:
   hello.txt
@@ -1422,7 +1422,7 @@
 test that the previous call to qpush with -f (--force) and --config actually put
 the orig files out of the working copy
   $ ls .hg/origbackups
-  hello.txt.orig
+  hello.txt
 
 test popping revisions not in working dir ancestry
 

--- a/tests/test-resolve.t	Tue Sep 12 19:27:01 2017 -0700
+++ b/tests/test-resolve.t	Mon Sep 11 17:49:49 2017 +0000
@@ -255,8 +255,8 @@
   warning: conflicts while merging file2! (edit, then use 'hg resolve --mark')
   [1]
   $ ls .hg/origbackups
-  file1.orig
-  file2.orig
+  file1
+  file2
   $ grep '<<<' file1 > /dev/null
   $ grep '<<<' file2 > /dev/null
 

--- a/tests/test-revert.t	Tue Sep 12 19:27:01 2017 -0700
+++ b/tests/test-revert.t	Mon Sep 11 17:49:49 2017 +0000
@@ -92,7 +92,7 @@
   $ echo z > e
   $ hg revert --all -v --config 'ui.origbackuppath=.hg/origbackups'
   creating directory: $TESTTMP/repo/.hg/origbackups (glob)
-  saving current version of e as $TESTTMP/repo/.hg/origbackups/e.orig (glob)
+  saving current version of e as $TESTTMP/repo/.hg/origbackups/e (glob)
   reverting e
   $ rm -rf .hg/origbackups
 

--- a/tests/test-shelve.t	Tue Sep 12 19:27:01 2017 -0700
+++ b/tests/test-shelve.t	Mon Sep 11 17:49:49 2017 +0000
@@ -1260,7 +1260,7 @@
   unresolved conflicts (see 'hg resolve', then 'hg unshelve --continue')
   [1]
   $ ls .hg/origbackups
-  root.orig
+  root
   $ rm -rf .hg/origbackups
 
 test Abort unshelve always gets user out of the unshelved state

--- a/tests/test-subrepo-git.t	Tue Sep 12 19:27:01 2017 -0700
+++ b/tests/test-subrepo-git.t	Mon Sep 11 17:49:49 2017 +0000
@@ -885,9 +885,9 @@
   $ hg revert --all --verbose --config 'ui.origbackuppath=.hg/origbackups'
   reverting subrepo ../gitroot
   creating directory: $TESTTMP/tc/.hg/origbackups (glob)
-  saving current version of foobar as $TESTTMP/tc/.hg/origbackups/foobar.orig (glob)
+  saving current version of foobar as $TESTTMP/tc/.hg/origbackups/foobar (glob)
   $ ls .hg/origbackups
-  foobar.orig
+  foobar
   $ rm -rf .hg/origbackups
 
 show file at specific revision