[pkgsrc/trunk]: pkgsrc/bootstrap Document cleaning up with ./cleanup.

[bsiegert <bsiegert%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/7992dc47b878
branches:  trunk
changeset: 310217:7992dc47b878
user:      bsiegert <bsiegert%pkgsrc.org@localhost>
date:      Sat Jul 07 13:18:29 2018 +0000

description:
Document cleaning up with ./cleanup.

Requested in PR pkg/41803.

diffstat:

 bootstrap/README |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (22 lines):

diff -r ff4f2788a8b4 -r 7992dc47b878 bootstrap/README
--- a/bootstrap/README  Sat Jul 07 12:41:57 2018 +0000
+++ b/bootstrap/README  Sat Jul 07 13:18:29 2018 +0000
@@ -1,4 +1,4 @@
-$NetBSD: README,v 1.13 2016/11/15 11:19:09 jperkin Exp $
+$NetBSD: README,v 1.14 2018/07/07 13:18:29 bsiegert Exp $
 
 To try to get pkgsrc working on your system, please try the following
 as root:
@@ -25,6 +25,12 @@
 The working directory will be created if it doesn't exist and has to be
 writable by the user executing ./bootstrap.
 
+The bootstrap script will exit if the bootstrap directory already exists,
+for example if you have run the script before. In this case, clean it up
+by running:
+
+# ./cleanup
+
 Make sure that you have a working C compiler and make(1) binary in
 your path.  Please note that on some systems (IRIX and SunOS, for example),
 the bootstrap script will look into a number of common directories for