# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 1393531312 21600
# Node ID 02d0d3aa42e3c02f326f7e71d8374acf28e20a32
# Parent  c724cb0141ee91cb0bb57fe44f752fd5f99861c8
config: add example config file when -e called with no config

diff -r c724cb0141ee -r 02d0d3aa42e3 mercurial/commands.py
--- a/mercurial/commands.py	Thu Feb 27 13:46:32 2014 -0600
+++ b/mercurial/commands.py	Thu Feb 27 14:01:52 2014 -0600
@@ -1489,6 +1489,22 @@
                 break
         else:
             f = paths[0]
+            fp = open(f, "w")
+            fp.write(
+                '# example config (see "hg help config" for more info)\n'
+                '\n'
+                '[ui]\n'
+                '# set this to your full email address\n'
+                'username =\n'
+                '\n'
+                '[extensions]\n'
+                '# uncomment these lines to enable some popular extensions\n'
+                '# (see "hg help extensions" for more info)\n'
+                '# pager =\n'
+                '# progress =\n'
+                '# color =\n')
+            fp.close()
+
         editor = ui.geteditor()
         util.system("%s \"%s\"" % (editor, f),
                     onerr=util.Abort, errprefix=_("edit failed"),