dsv/dsv: new option -c to --no-check-certificate

dsv/dsv

@@ -2,8 +2,8 @@
 #
 # dsv - Improved data sheet viewer
 #
-# Written 2010-2014, 2016 by Werner Almesberger
-# Copyright 2010-2014, 2016 Werner Almesberger
+# Written 2010-2014, 2016, 2018 by Werner Almesberger
+# Copyright 2010-2014, 2016, 2018 Werner Almesberger
 #
 # 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
@@ -33,8 +33,9 @@ usage()
 	echo "usage: $0 [-p] [-u] <component>" 1>&2
 	echo "       $0 help" 1>&2
 	echo "       $0 [ls]" 1>&2
-	echo "       $0 setup <info-file> ..." 1>&2
+	echo "       $0 [-c] setup <info-file> ..." 1>&2
 	echo 1>&2
+	echi "  -c   don't check server certificates" 1>&2
 	echo "  -p   show the path instead of displaying the file " 1>&2
 	echo "  -u   show source URL instead of displaying the file " 1>&2
 	exit 1
@@ -43,7 +44,7 @@ usage()
 
 do_wget()
 {
-	wget -nv -U "dsv/1.0" "$@"
+	wget -nv -U "dsv/1.0" $wget_opts "$@"
 }
 
 
@@ -215,9 +216,12 @@ search()
 
 path=false
 show_url=false
+wget_opts=
 
 while true; do
 	case "$1" in
+		-c)	wget_opts=--no-check-certificate
+			shift;;
 		-p)	path=true
 			shift;;
 		-u)	show_url=true