Write oh_cache().

2 files changed, 38 insertions, 0 deletions

diff --git a/lib/Makefile.in b/lib/Makefile.in
index aa7cacd..1f40840 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -40,6 +40,7 @@ SRCS = control.sh \
        changelog.sh \
        locale.sh \
        messages.sh \
+       cache.sh \
        util.sh
 OBJS = $(SRCS:.sh=)
 
diff --git a/lib/cache.sh b/lib/cache.sh
new file mode 100644
index 0000000..b428fd8
--- /dev/null
+++ b/lib/cache.sh
@@ -0,0 +1,37 @@
+# opkhelper
+# lib/cache
+# Cache property functions.
+#
+# Copyright (C) 2012 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/>.
+
+[ -n "${_OH_CACHE_SH}" ] && return 0
+_OH_CACHE_SH=true
+
+. @@LIBDIR@@/util
+
+oh_cache()
+{
+	_property="${1}"
+	shift
+
+	mkdir -p "${OH_SOURCE_DIR}/tmp/.cache"
+
+	if [ ${#} -eq 1 ]; then
+		cat "${OH_SOURCE_DIR}/tmp/.cache/${_property}" 2>/dev/null
+	else
+		echo "${*}" >"${OH_SOURCE_DIR}/tmp/.cache/${_property}"
+	fi
+}