[Buildroot] [PATCH 1/5] Add a post-image script mechanism

["Stefan Fröberg" <stefan.froberg@petroprogram.com>]

16.1.2013 21:09, Thomas Petazzoni kirjoitti:
> Just like we have a post-build script mechanism that gets executed
> after the build of all packages but before the creation of the
> filesystem images, let's introduce a post-image script mechanism, that
> gets executed once all filesystem images have been generated.
>
> This can for example be used to call a tool building a firmware image
> from different images generated by Buildroot, or automatically extract
> the tarball root filesystem image into some location exported by NFS,
> or any other custom action.
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> ---
>  Makefile         |    9 +++++++++
>  system/Config.in |   18 ++++++++++++++++++
>  2 files changed, 27 insertions(+)
>
> diff --git a/Makefile b/Makefile
> index 6f8ed0e..88b5a85 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -353,6 +353,8 @@ endif
>  
>  include fs/common.mk
>  
> +TARGETS+=target-post-image
> +
>  TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
>  TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
>  TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
> @@ -548,6 +550,13 @@ target-generatelocales: host-localedef
>  	done
>  endif
>  
> +target-post-image:
> +ifneq ($(BR2_ROOTFS_POST_IMAGE_SCRIPT),)
> +	@$(call MESSAGE,"Executing post-image script\(s\)")
> +	@$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
> +		$(s) $(BINARIES_DIR)$(sep))
> +endif
> +
>  toolchain-eclipse-register:
>  	./support/scripts/eclipse-register-toolchain `readlink -f $(O)` $(notdir $(TARGET_CROSS)) $(BR2_ARCH)
>  
> diff --git a/system/Config.in b/system/Config.in
> index 69863c4..1ffe8a0 100644
> --- a/system/Config.in
> +++ b/system/Config.in
> @@ -265,4 +265,22 @@ config BR2_ROOTFS_POST_BUILD_SCRIPT
>  	  only argument. Make sure the exit code of those scripts are 0,
>  	  otherwise make will stop after calling them.
>  
> +config BR2_ROOTFS_POST_IMAGE_SCRIPT
> +	string "Custom script to run after creating filesystem images"
> +	default ""
> +	help
> +	  Specify a space-separated list of scripts to be run after
> +	  the build has finished and after Buildroot has packed the
> +	  files into selected filesystem images.
> +
> +	  This can for example be used to call a tool building a
> +	  firmware image from different images generated by Buildroot,
> +	  or automatically extract the tarball root filesystem image
> +	  into some location exported by NFS, or any other custom
> +	  action.
> +
> +	  These scripts are called with the images directory name as
> +	  first and only argument. The script is executed from the
> +	  main Buildroot source directory as the current directory.
> +
>  endmenu

Nice.  I know exactly what Im going to use this mechanism for.

Packing target binaries with UPX (http://upx.sourceforge.net/) at the
end of image creation.

Every byte counts :-)

Regards
Stefan