1 files changed, 49 insertions, 0 deletions
diff --git a/distrib/syspatch/diff.sh b/distrib/syspatch/diff.sh
new file mode 100755
index 00000000000..1203b6f80c8
--- /dev/null
+++ b/distrib/syspatch/diff.sh
@@ -0,0 +1,49 @@
+#!/bin/ksh
+#
+# $OpenBSD: diff.sh,v 1.1 2017/04/22 13:41:02 robert Exp $
+#
+# Copyright (c) 2017 Robert Nagy <robert@openbsd.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+umask 0022
+
+trap exit HUP INT TERM
+
+diff -arq $1 $2 2>&1 | grep differ | \
+while IFS= read -r _d 
+do
+	_o=$(echo $_d | cut -d ' ' -f2)
+	_n=$(echo $_d | cut -d ' ' -f4)
+	case "${_o##*.}"
+	in
+		a)
+			cmp -s ${_o} ${_n} 34 34 || echo ${_n}
+			;;
+		1|3p)
+			_onm=$(mktemp)
+			_nnm=$(mktemp)
+			trap 'rm -f ${_onm} ${_nnm}' EXIT
+			sed -E '/([0-9]+-[0-9]+-[0-9]+|=+)/d' ${_o} > ${_onm}
+			sed -E '/([0-9]+-[0-9]+-[0-9]+|=+)/d' ${_n} > ${_nnm}
+			diff -q ${_onm} ${_nnm} >/dev/null || echo ${_n}
+			rm -f ${_onm} ${_nnm}
+			;;
+		EFI|dat|db|tgz|*void|*dir|mk|cache-4)
+			;;
+		*)
+			echo ${_n}
+			;;
+	esac
+	rm -f ${_onm} ${_nnm}
+done