[src/trunk]: src/usr.sbin/postinstall Add a new obsolete_stand target, disabl...

[apb <apb%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/261fb72a99e9
branches:  trunk
changeset: 329982:261fb72a99e9
user:      apb <apb%NetBSD.org@localhost>
date:      Mon Jun 16 08:59:13 2014 +0000

description:
Add a new obsolete_stand target, disabled by default,
to delete old files and subdirectories under /stand/${MACHINE}.

diffstat:

 usr.sbin/postinstall/postinstall |  48 +++++++++++++++++++++++++++++++++++++++-
 1 files changed, 47 insertions(+), 1 deletions(-)

diffs (71 lines):

diff -r fbd2d386a364 -r 261fb72a99e9 usr.sbin/postinstall/postinstall
--- a/usr.sbin/postinstall/postinstall  Mon Jun 16 08:39:56 2014 +0000
+++ b/usr.sbin/postinstall/postinstall  Mon Jun 16 08:59:13 2014 +0000
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: postinstall,v 1.171 2014/06/16 08:39:56 apb Exp $
+# $NetBSD: postinstall,v 1.172 2014/06/16 08:59:13 apb Exp $
 #
 # Copyright (c) 2002-2008 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -590,6 +590,37 @@
        )
 }
 
+# obsolete_stand dir
+#      Prints the names of all obsolete files and subdirs below the
+#      provided dir.  dir should be something like /stand/${MACHINE}.
+#      The input dir and all output paths are interpreted
+#      relative to ${DEST_DIR}.
+#
+#      Assumes that the numerically largest subdir is current, and all
+#      others are obsolete.
+#
+obsolete_stand()
+{
+       [ $# -eq 1 ] || err 3 "USAGE: obsolete_stand dir"
+       local dir="$1"
+       local subdir
+
+       if ! [ -d "${DEST_DIR}/${dir}" ]; then
+               msg "${DEST_DIR}${dir} doesn't exist; can't check for obsolete files"
+               return 1
+       fi
+
+       ( cd "${DEST_DIR}${dir}" && ls -1d [0-9]*[0-9]/. ) \
+       | ${GREP} -v '[^0-9./]' \
+       | sort -t. -r -k1n -k2n -k3n \
+       | tail -n +2 \
+       | while read subdir ; do
+               subdir="${subdir%/.}"
+               find "${DEST_DIR}/${dir#/}/${subdir}" -depth -print
+       done \
+       | unprefix "${DEST_DIR}"
+}
+
 # modify_file op srcfile scratchfile awkprog
 #      Apply awkprog to srcfile sending output to scratchfile, and
 #      if appropriate replace srcfile with scratchfile.
@@ -1924,6 +1955,21 @@
        return ${failed}
 }
 
+#
+#      obsolete_stand
+#
+adddisableditem obsolete_stand "remove obsolete files from /stand"
+do_obsolete_stand()
+{
+       [ -n "$1" ] || err 3 "USAGE: do_obsolete_stnd  fix|check"
+       op="$1"
+       failed=0
+
+       obsolete_stand "/stand/${MACHINE}" | obsolete_paths "${op}"
+       failed=$(( ${failed} + $? ))
+
+       return ${failed}
+}
 
 #
 #      obsolete