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#!/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
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