xbps-src: added suport for XBPS_CACHEDIR in configuration file.

XBPS_CACHEDIR will be bind mounted as read/write in target masterdir
into /cachedir. This directory must have read/write perms for the user
running xbps-src.

xbps-src/etc/xbps-src.conf.in

@@ -4,7 +4,8 @@
 
 #
 # Directory where the xbps-src GIT repository is stored. This is
-# required to be mounted in the chroot.
+# required to be mounted in the chroot. You shouldn't need to modify this
+# one unless your vanilla/xbps-templates repo has been moved to another path.
 #
 XBPS_DISTRIBUTIONDIR=@@XBPS_DISTRIBDIR@@
 
@@ -13,6 +14,12 @@ XBPS_DISTRIBUTIONDIR=@@XBPS_DISTRIBDIR@@
 #
 XBPS_MASTERDIR=$XBPS_DISTRIBUTIONDIR/masterdir
 
+#
+# Cache directory for downloaded binary packages; it's bind mounted
+# to $XBPS_MASTERDIR/cachedir for chroot operations.
+#
+#XBPS_CACHEDIR=/path/to/cachedir/with/user/permissions/to/write
+
 #
 # Compilation flags for cc and c++.
 #

xbps-src/libexec/xbps-src-chroot-helper.sh.in

@@ -1,6 +1,6 @@
 #!/bin/sh
 #-
-# Copyright (c) 2010 Juan Romero Pardines.
+# Copyright (c) 2010-2011 Juan Romero Pardines.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,11 @@ HANDLER="$1"
 if [ -n "${MASTERDIR}" ]; then
 	export XBPS_MASTERDIR="${MASTERDIR}"
 fi
+if [ -n "${CACHEDIR}" ]; then
+	export XBPS_CACHEDIR="${CACHEDIR}"
+fi
 
-REQFS="sys proc dev xbps"
+REQFS="sys proc dev xbps cachedir"
 
 mount_chroot_fs()
 {
@@ -50,6 +53,10 @@ mount_chroot_fs()
 					blah=${XBPS_DISTRIBUTIONDIR}
 					dowrite="-w"
 					;;
+				cachedir)
+					blah=${XBPS_CACHEDIR}
+					dowrite="-w"
+					;;
 				*) blah=/${f};;
 			esac
 			[ ! -d ${blah} ] && echo "failed." && continue
@@ -60,7 +67,7 @@ mount_chroot_fs()
 				echo 1 > ${XBPS_MASTERDIR}/.${f}_mount_bind_done
 				echo "done."
 			else
-				echo "FAILED!!!!!"
+				echo "FAILED!"
 				exit 1
 			fi
 		else

xbps-src/shutils/chroot.sh.in

@@ -31,14 +31,16 @@ trap "_umount && return $?" 0 INT QUIT TERM
 
 _mount()
 {
-	MASTERDIR="${XBPS_MASTERDIR}" ${sudo_cmd} \
+	MASTERDIR="${XBPS_MASTERDIR}" CACHEDIR="${XBPS_CACHEDIR}" \
+		${sudo_cmd} \
 		@@XBPS_INSTALL_LIBEXECDIR@@/xbps-src-chroot-helper mount
 	return $?
 }
 
 _umount()
 {
-	MASTERDIR="${XBPS_MASTERDIR}" ${sudo_cmd} \
+	MASTERDIR="${XBPS_MASTERDIR}" CACHEDIR="${XBPS_CACHEDIR}" \
+		${sudo_cmd} \
 		@@XBPS_INSTALL_LIBEXECDIR@@/xbps-src-chroot-helper umount
 	return $?
 }

xbps-src/shutils/init_funcs.sh.in

@@ -65,6 +65,9 @@ set_defvars()
 	if [ -n "$xver" ]; then
 		# XBPS utils >= 0.9.0.
 		xbps_conf="-C $XBPS_MASTERDIR/usr/local/etc/xbps-conf.plist"
+		if [ -n "$XBPS_CACHEDIR" ]; then
+			xbps_conf="$xbps_conf -c $XBPS_CACHEDIR"
+		fi
 	fi
 	export XBPS_PKGDB_CMD="xbps-uhelper.static -r $XBPS_MASTERDIR"
 	export XBPS_BIN_CMD="xbps-bin.static $xbps_conf -r $XBPS_MASTERDIR"