X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?a=blobdiff_plain;f=jpctb;fp=jpctb;h=8b61ed8942f655246b9ac7ff42cea09c40f7655a;hb=afbe2cc2cc040e051ee1f55be352db0bf319a8e1;hp=4446b2d54d98321961f3f7d6d91ceac080d034a6;hpb=2b0715a23111c578b0256e1eef24d0f8c7355275;p=jarrg-owen.git

diff --git a/jpctb b/jpctb
index 4446b2d..8b61ed8 100755
--- a/jpctb
+++ b/jpctb
@@ -32,10 +32,27 @@ fail () {
 	echo >&2 "jpctb: $*"
 	exit 127
 }
+badusage () {
+	fail "bad usage: $*"
+}
 
-if [ $# -lt 2 ]; then usage; fail 'bad usage'; exit 127; fi
+while [ $# -ge 1 ]; do
+	case "$1" in
+	-)		shift; break;;
+	--jpctb)
+			shift
+			srcjardir="$1"
+			shift || badusage "--jpctb needs a value"
+			;;
+	-*)		badusage "unknown option \`$1'"
+			;;
+	*)
+			break
+	esac
+done
+
+if [ $# -lt 1 ]; then usage; badusage "need path to yohoho"; exit 127; fi
 
-srcjardir="$1"; shift
 yohoho="$1"; shift
 
 #---------- find ourselves ----------
@@ -48,6 +65,10 @@ case "$jpctbdir" in
 *)	jpctbdir="$PWD/$jpctbdir" ;;
 esac
 
+if [ x"$srcjardir" = x ]; then
+	srcjardir="$jpctbdir"
+fi
+
 #---------- find YPP client and the Java installation it uses ----------
 
 yppdir="${yohoho%/*}"