lib/pkg.sh: New file (WIP)

1 files changed, 36 insertions, 0 deletions

diff --git a/lib/pkg.sh b/lib/pkg.sh
new file mode 100644
index 0000000..541c9df
--- /dev/null
+++ b/lib/pkg.sh
@@ -0,0 +1,36 @@
+# ProteanOS Development Kit
+# lib/pkg.sh
+# Functions for handling packages and their dependencies
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_PKG_SM+set}" = 'xset' ] && return 0
+_PKG_SM=1
+
+resolve_deps()
+{
+	local new_pkgs="${*}"
+	local all_deps=
+	local new_deps=
+	local pkg=
+
+	all_deps=''
+	while [ "x${new_pkgs}" != 'x' ]; do
+		all_deps="${all_deps} ${new_pkgs}"
+		new_deps=''
+		for pkg in ${new_pkgs}; do
+			new_deps="$(sed -n "s/^${pkg} *//p' ")"
+}