Add a safe_rm.sh script and test in light of accidental f-up with Mitani's system...
Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
diff --git a/scripts/safe_rm.sh b/scripts/safe_rm.sh
new file mode 100755
index 0000000..56a9b80
--- /dev/null
+++ b/scripts/safe_rm.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+#
+# A safe wrapper around rm(1) to avoid cleaning out folks' rootfs's or build
+# machines by accident.
+#
+# Copyright (C) 2010, Cisco Systems Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Feel free to use this in your standard builds, or just leave it be (it has
+# been added to the build tests that should be run before each release to avoid
+# build regressions).
+#
+# Garrett Cooper, February 2010
+#
+
+. "${0%/*}/lib/file_functions.sh"
+
+opts=
+opts_parse_done=0
+
+set -e
+
+while [ $# -gt 0 ] ; do
+
+ if [ $opts_parse_done -eq 0 ] ; then
+
+ case "$1" in
+ -*)
+ [ "x$1" = "x--" ] && opts_parse_done=1
+ # None of the options to rm(1) are keyed.
+ opts="$opts $1"
+ ;;
+ *)
+ opts_parse_done=1
+ ;;
+ esac
+
+ fi
+
+ if [ $opts_parse_done -eq 1 ] ; then
+
+ abspath_file=$(_abspath "$1")
+
+ if [ "x$abspath_file" = "x/" ] ; then
+
+ cat <<EOF >&2
+${0##*/}: ERROR : not removing \`$1' to avoid removing root directory\!
+EOF
+ false
+
+ else
+
+ if [ "x${SIMULATE_RM:-1}" != x1 ] ; then
+ rm ${opts:--f} "$abspath_file"
+ fi
+
+ fi
+
+ fi
+
+ shift
+
+done