--- a/bug	Wed Oct 25 19:37:54 2006 +0200
+++ b/bug	Mon Jan 15 20:21:54 2007 +0100
@@ -45,17 +45,31 @@
 #      bug delete <ID>
 #     Do that whenever you will not need the issue anymore.
 #
+#
+# Contributions:
+# --------------
+#
+# pancake <pancake@youterm.com>
+#   - drop bashisms
+#   - implement -h flag
+#   - error messages to stderr
+#   - more checks and help on BUG_PROJECT environ
+#
+# TODO:
+#   Support for an array of bug report files ?? readonly
+#   Check BUG_PROJECT file format before processing
+#
 
 PNAME=`basename "$0"`
 CMD="$1"
 
-if [ "x$EDITOR" == "x" ]; then
+if [ -z "$EDITOR" ]; then
 	EDITOR=vim
 fi
 
 function usage
 {
-	echo "usage: $PNAME <add | list | view | edit | delete | create | project>"
+	echo "Usage: $PNAME [ add | list | view | edit | delete | create | project ]"
 }
 
 function create
@@ -124,15 +138,21 @@
 	STATE=`grep "^State:" $1 | head -n 1 | cut -d : -f 2- | string2db`
 	PRIORITY=`grep "^Priority:" $1 | head -n 1 | cut -d : -f 2- | string2db`
 
-	if ( [ "x$SUBJECT" == "" ] || [ "x$PRIORITY" == "" ] ); then
-		echo "Error in ticket: subject or priority." 2>&1
+	if [ -z "$PRIORITY" ]; then
+		echo "Error in ticket: subject or priority." > /dev/stderr
+		return 1
+	fi
+
+	if [ -z "$SUBJECT" ]; then
+		echo "Error in ticket: subject or priority." > /dev/stderr
 		return 1
 	fi
 
 	LINES=`cat $1 | wc -l`
 
 	# Substract Id, Subject, State and Priority
-	TOTAIL=$(( LINES - 5 ))
+	#TOTAIL=$(( LINES - 5 ))
+	let TOTAIL=LINES-5
 	DESCRIPTION=`tail -n $TOTAIL $1 | text2db | trimlastdbNL`
 
 	echo "$ID	$PRIORITY	$STATE	$SUBJECT	$DESCRIPTION" >> $BUG_PROJECT
@@ -160,7 +180,7 @@
 
 	LINE=`catlist | grep "^$ID	"`
 
-	if [ "x$LINE" != "x" ]; then
+	if [ -n "$LINE" ]; then
 		PRIORITY=`echo "$LINE" | cut -f 2`
 		STATE=`echo "$LINE" | cut -f 3`
 		SUBJECT=`echo "$LINE" | cut -f 4`
@@ -182,7 +202,8 @@
 function catlist
 {
 	LINES=`cat $BUG_PROJECT | wc -l`
-	TOTAIL=$(( LINES - 1 ))
+	let TOTAIL=LINES-1
+	#TOTAIL=$(( LINES - 1 ))
 	tail -n $TOTAIL $BUG_PROJECT | grep -v "^#"
 }
 
@@ -191,7 +212,7 @@
 	ID=$1
 
 	LINE=`cat $BUG_PROJECT | grep -n "^$ID	" | cut -d : -f 1`
-	if [ "x$LINE" != "x" ]; then
+	if [ -n "$LINE" ]; then
 		echo $LINE
 		return 0
 	else
@@ -245,7 +266,6 @@
 		echo "Id not found."
 		rm "$FILE"
 	fi
-
 }
 
 function add
@@ -260,8 +280,8 @@
 
 	cat > "$FILE" << TEMPLATE
 Id: $ID
-Priority: 
-State: 
+Priority:
+State:
 Subject: 
 -- Description below --
 TEMPLATE
@@ -280,17 +300,33 @@
 
 }
 
-if [ "x$BUG_PROJECT" == "x" ]; then
-	echo "\$BUG_PROJECT is not set"
+if [ -z "$BUG_PROJECT" ]; then
+	echo "\$BUG_PROJECT is not set."
 	exit 1
 fi
 
-if [ "x$CMD" == "x" ]; then
+if [ ! "`echo $BUG_PROJECT | cut -c 1`" = "/" ]; then
+	echo "Do not use relative paths in BUG_PROJECT environ."
+	exit 1
+fi
+
+if [ ! "$CMD" = "create" ]; then
+if [ ! -f "$BUG_PROJECT" ]; then
+	echo "BUG_PROJECT file does not exist. Type 'bug create'"
+	exit 0
+fi
+fi
+
+if [ -z "$CMD" ]; then
 	usage
 	exit 1
 fi
 
 case "$CMD" in
+	-h)
+		echo "Usage: bug [[alvpe] [del] [create]] [args]"
+		exit 1
+		;;
 	a*)
 		add || exit 1
 		;;