sqlports: show-reverse-deps: s/path/pkgpath/ in usage

There are no manual pages for these and not thinking along I passed $PWD
once; let's say "pkgpath" here as is common.

While here, drop useless use of cat(1) and quote user input.

OK?


Index: Makefile
===================================================================
RCS file: /cvs/ports/databases/sqlports/Makefile,v
retrieving revision 1.119
diff -u -p -r1.119 Makefile
--- Makefile 20 Jul 2019 23:12:47 -0000 1.119
+++ Makefile 3 Oct 2019 11:36:33 -0000
@@ -1,7 +1,7 @@
# $OpenBSD: Makefile,v 1.119 2019/07/20 23:12:47 espie Exp $

CATEGORIES = databases
-V = 7.25
+V = 7.26
DISTNAME = sqlports-$V
DISTFILES =
COMMENT = sqlite database of ports
Index: files/scripts/show-reverse-deps
===================================================================
RCS file: /cvs/ports/databases/sqlports/files/scripts/show-reverse-deps,v
retrieving revision 1.6
diff -u -p -r1.6 show-reverse-deps
--- files/scripts/show-reverse-deps 4 Jun 2019 16:05:52 -0000 1.6
+++ files/scripts/show-reverse-deps 3 Oct 2019 11:36:02 -0000
@@ -24,7 +24,7 @@
set -e
if [ $# -eq 0 ]
then
- echo 2>&1 "Usage: show-reverse-deps path [sqlite_db]"
+ echo 2>&1 "Usage: show-reverse-deps pkgpath [sqlite_db]"
exit 1
fi
if [ $# -ge 2 ]
@@ -33,7 +33,7 @@ then
else
file=${TRUEPREFIX}/share/sqlports
fi
-cat <<EOSQL |sqlite3 $file
+sqlite3 "$file" <<EOSQL
with recursive d (fullpkgpath, dependspath) as
(select root.fullpkgpath, root.dependspath
from _canonical_depends root