[Buildroot] [PATCH 2/2] Add option to copy config file to rootfs
Nathaniel Roach
nroach44 at gmail.com
Thu Jul 31 13:46:54 UTC 2014
BR2_CONFIG_COPY copies the config file to /etc/buildroot.config
as 0600 during target-finalize after overlay copy, but before
post-build script install.
Signed-off-by: Nathaniel Roach <nroach44 at gmail.com>
---
Makefile | 4 ++++
system/Config.in | 11 +++++++++++
2 files changed, 15 insertions(+)
diff --git a/Makefile b/Makefile
index 022beea..cc49291 100644
--- a/Makefile
+++ b/Makefile
@@ -614,6 +614,10 @@ endif
--chmod=Du+w --exclude .empty --exclude '*~' \
$(d)/ $(TARGET_DIR)$(sep))
+ifeq ($(BR2_CONFIG_COPY),y)
+ $(INSTALL) -m 0600 .config $(TARGET_DIR)/etc/buildroot.config
+endif
+
@$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
$(call MESSAGE,"Executing post-build script $(s)"); \
$(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
diff --git a/system/Config.in b/system/Config.in
index e7e146a..94fb744 100644
--- a/system/Config.in
+++ b/system/Config.in
@@ -328,6 +328,17 @@ config BR2_ROOTFS_USERS_TABLES
See manual for details on the usage and syntax of these files.
+config BR2_CONFIG_COPY
+ bool "Copy buildroot .config file to rootfs"
+ help
+ Copies the .config file used to build the rootfs into the
+ rootfs. This may be useful for debugging.
+
+ It will be put in /etc/buildroot.config with a mode of 0600
+
+ However, be wary that it will contain the root password
+ (if set) and other possibly sensitive data.
+
config BR2_ROOTFS_OVERLAY
string "Root filesystem overlay directories"
default ""
--
2.0.1
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