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system: add option to pass extra args to post-build and post-image scripts

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It can be useful to have different configuration use the same post-build
and/or post-image scripts as they share a common infrastructure, but yet
have minor differentiation.

This option allows passing zero or more additional arguments to each
post-build or post-image script.

The same set of extra arguments are passed to all scripts, it is not
possible to pass different arguments to each script.

[Peter: fix help text, post-image gets called with the images dir]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Yann E. MORIN
2013-07-10 00:00:31 +02:00
committed by Peter Korsgaard
parent 575dac6922
commit f1f97b3a05
3 changed files with 35 additions and 14 deletions
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19
docs/manual/customize-rootfs.txt
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@@ -69,15 +69,20 @@ specify a space-separated list of scripts in the
found in the +System configuration+ menu as well.
Each of those scripts will be called with the path to the +images+
output directory as first and unique argument, and will be executed
with the main Buildroot source directory as the current
directory. Those scripts will be executed as the user that executes
Buildroot, which should normally not be the root user. Therefore, any
action requiring root permissions in one of these _post-image scripts_
will require special handling (usage of fakeroot or sudo), which is
left to the script developer.
output directory as first argument, and will be executed with the main
Buildroot source directory as the current directory. Those scripts will
be executed as the user that executes Buildroot, which should normally
not be the root user. Therefore, any action requiring root permissions
in one of these _post-image scripts_ will require special handling
(usage of fakeroot or sudo), which is left to the script developer.
Just like for the _post-build scripts_ mentioned above, you also have
access to the following environment variables from your _post-image
scripts_: +BUILDROOT_CONFIG+, +HOST_DIR+, +STAGING_DIR+, +TARGET_DIR+,
+BINARIES_DIR+ and +BASE_DIR+.
Additionally, each of the +BR2_ROOTFS_POST_BUILD_SCRIPT+ and
+BR2_ROOTFS_POST_IMAGE_SCRIPT+ scripts will be passed the arguments
specified in +BR2_ROOTFS_POST_SCRIPT_ARGS+ (if that is not empty).
All the scripts will be passed the exact same set of arguments, it
is not possible to pass different sets of arguments to each script.