[oe-commits] Chen Qi : core-image.bbclass: support read-only rootfs

[git at git.openembedded.org]

Module: openembedded-core.git
Branch: master
Commit: 05182ee354a9f773c8ab2f4cd7f1fdf552e7fcda
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=05182ee354a9f773c8ab2f4cd7f1fdf552e7fcda

Author: Chen Qi <Qi.Chen at windriver.com>
Date:   Tue Jan 22 10:38:12 2013 +0800

core-image.bbclass: support read-only rootfs

The hook function is appended to ROOTFS_POSTPROCESS_COMMAND
properly to support the 'read-only-rootfs' image feature.

[YOCTO #3406]

Signed-off-by: Chen Qi <Qi.Chen at windriver.com>
Signed-off-by: Saul Wold <sgw at linux.intel.com>

---

 meta/classes/core-image.bbclass |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/meta/classes/core-image.bbclass b/meta/classes/core-image.bbclass
index 657d5f2..4c70d32 100644
--- a/meta/classes/core-image.bbclass
+++ b/meta/classes/core-image.bbclass
@@ -29,6 +29,7 @@ LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3
 # - dev-pkgs            - development packages (headers, etc.) for all installed packages in the rootfs
 # - dbg-pkgs            - debug symbol packages for all installed packages in the rootfs
 # - doc-pkgs            - documentation packages for all installed packages in the rootfs
+# - read-only-rootfs    - tweaks an image to support read-only rootfs
 #
 PACKAGE_GROUP_x11 = "packagegroup-core-x11"
 PACKAGE_GROUP_x11-base = "packagegroup-core-x11-base"
@@ -80,3 +81,6 @@ ROOTFS_POSTPROCESS_COMMAND += "rootfs_update_timestamp ; "
 
 # Zap the root password if debug-tweaks feature is not enabled
 ROOTFS_POSTPROCESS_COMMAND += '${@base_contains("IMAGE_FEATURES", "debug-tweaks", "", "zap_root_password ; ",d)}'
+
+# Tweak the mount options for rootfs in /etc/fstab if read-only-rootfs is enabled
+ROOTFS_POSTPROCESS_COMMAND += '${@base_contains("IMAGE_FEATURES", "read-only-rootfs", "read_only_rootfs_hook; ", "",d)}'