# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1491036716 -32400
# Node ID 91201737d07af50bd098f72859b5bf5c1474f0af
# Parent  468d7a1f6633514d854a29df87a59402c432bd63
revsetlang: fix quoting of %ls string

Before, "'" wasn't escaped appropriately. This also changes the separator
'\0' to '\\0', but that's okay as a string token is unescaped.

diff -r 468d7a1f6633 -r 91201737d07a mercurial/revsetlang.py
--- a/mercurial/revsetlang.py	Sat Apr 01 17:44:07 2017 +0900
+++ b/mercurial/revsetlang.py	Sat Apr 01 17:51:56 2017 +0900
@@ -585,7 +585,9 @@
     >>> formatspec(b'branch(%b)', b)
     "branch('default')"
     >>> formatspec(b'root(%ls)', [b'a', b'b', b'c', b'd'])
-    "root(_list('a\\x00b\\x00c\\x00d'))"
+    "root(_list('a\\\\x00b\\\\x00c\\\\x00d'))"
+    >>> formatspec('%ls', ['a', "'"])
+    "_list('a\\\\x00\\\\'')"
     '''
 
     def argtype(c, arg):
@@ -614,7 +616,7 @@
         elif t == 'd':
             return "_intlist('%s')" % "\0".join('%d' % int(a) for a in s)
         elif t == 's':
-            return "_list('%s')" % "\0".join(s)
+            return "_list(%s)" % _quote("\0".join(s))
         elif t == 'n':
             return "_hexlist('%s')" % "\0".join(node.hex(a) for a in s)
         elif t == 'b':