1 files changed, 51 insertions, 0 deletions
diff --git a/mk/pkgformat/pkg/register-dependencies b/mk/pkgformat/pkg/register-dependencies
new file mode 100755
index 00000000000..148ef8ac340
--- /dev/null
+++ b/mk/pkgformat/pkg/register-dependencies
@@ -0,0 +1,51 @@
+#!/bin/sh
+#
+# $NetBSD: register-dependencies,v 1.1 2011/10/15 00:23:09 reed Exp $
+#
+######################################################################
+#
+# NAME
+#	register-dependencies -- register package dependencies
+#
+# SYNOPSIS
+#	register-dependencies pkgname
+#
+# DESCRIPTION
+#	register-dependencies registers a dependency relationship from
+#	the named package pkgname and the packages passed in via
+#	standard input.
+#
+# ENVIRONMENT
+#	PKG_DBDIR
+#		This is the package meta-data directory in which the
+#		packages are registered.  By default, this is /var/db/pkg.
+#
+######################################################################
+
+: ${AWK:=awk}
+: ${CP:=cp}
+: ${ECHO:=echo}
+: ${PKG_DBDIR:=/var/db/pkg}
+: ${RM:=rm}
+: ${TEST:=test}
+: ${TOUCH:=touch}
+: ${TRUE:=true}
+
+PKGNAME="$1"
+
+while read pkg; do
+	pkgdir="${PKG_DBDIR}/$pkg"
+	if ${TEST} ! -d "$pkgdir"; then
+		${ECHO} 1>&2 "$pkg not found - dependency NOT registered"
+		continue
+	fi
+	req="$pkgdir/+REQUIRED_BY"
+	tmpreq="$pkgdir/+REQUIRED_BY.$$"
+	${TOUCH} $req
+	${AWK} -v PKGNAME="${PKGNAME}" \
+		'BEGIN { found = 0 }
+		$0 == PKGNAME { found = 1 } { print }
+		END { if (!found) print PKGNAME }' $req > $tmpreq
+	${CP} -f $tmpreq $req; ${RM} -f $tmpreq
+	${ECHO} "${PKGNAME} requires installed package $pkg"
+done