doc: correct example concerning "hg purge" alias in man page "hgrc.5"
The "hg purge" alias as currently described in "hgrc.5" issues a possibly
confusing error message like
rm: missing operand
Try 'rm --help' for more information.
if no files are to be purged at all.
This patch slightly modifies the example by adding a "-f" option to the
"rm" command.
--- a/mercurial/help/config.txt Mon Feb 06 23:22:04 2017 -0500
+++ b/mercurial/help/config.txt Fri Feb 17 11:08:36 2017 +0100
@@ -277,7 +277,7 @@
will let you do ``hg echo foo`` to have ``foo`` printed in your
terminal. A better example might be::
- purge = !$HG status --no-status --unknown -0 re: | xargs -0 rm
+ purge = !$HG status --no-status --unknown -0 re: | xargs -0 rm -f
which will make ``hg purge`` delete all unknown files in the
repository in the same manner as the purge extension.