[Buildroot] [PATCH v2] Add BR2_ROOTFS_POST_{PRE_BUILD|POST_BUILD|FAKEROOT|IMAGE}_SCRIPT_ARGS

[Heiko Thiery <heiko.thiery@gmail.com>]

You only can specify one list of arguments that are passed to several
scripts (BR2_ROOTFS_PRE_BUILD_SCRIPT, BR2_ROOTFS_POST_BUILD_SCRIPT,
BR2_ROOTFS_POST_FAKEROOT_SCRIPT and BR2_ROOTFS_POST_IMAGE_SCRIPT_ARGS).

So you have to be careful that the arguments for these scripts do not collide.

To allow specifiying dedicated arguments to each of the script the new
config options are introduced. For backward compatibility the value of
BR2_ROOTFS_POST_SCRIPT_ARGS is still passed to the scripts. But now you
can add specfic arguments from the new config option.

Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
---

v2:
 - now add the specific arguments after the ones from BR2_ROOTFS_POST_SCRIPT_ARGS
 - reword the docu
 - reword the commit message

 Makefile                              | 12 +++++--
 docs/manual/customize-post-image.adoc |  5 +++
 docs/manual/customize-rootfs.adoc     |  6 ++++
 fs/common.mk                          |  2 +-
 system/Config.in                      | 52 +++++++++++++++++++++++----
 5 files changed, 67 insertions(+), 10 deletions(-)

diff --git a/Makefile b/Makefile
index 91973cca60..a7d9f9149c 100644
--- a/Makefile
+++ b/Makefile
@@ -584,7 +584,9 @@ $(BUILD_DIR)/buildroot-config/auto.conf: $(BR2_CONFIG)
 prepare: $(BUILD_DIR)/buildroot-config/auto.conf
 	@$(foreach s, $(call qstrip,$(BR2_ROOTFS_PRE_BUILD_SCRIPT)), \
 		$(call MESSAGE,"Executing pre-build script $(s)"); \
-		$(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
+		$(EXTRA_ENV) $(s) $(TARGET_DIR) \
+		$(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS)) \
+		$(call qstrip,$(BR2_ROOTFS_PRE_BUILD_SCRIPT_ARGS))$(sep))

 .PHONY: world
 world: target-post-image
@@ -801,7 +803,9 @@ endif # merged /usr

 	$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
 		@$(call MESSAGE,"Executing post-build script $(s)")$(sep) \
-		$(Q)$(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
+		$(Q)$(EXTRA_ENV) $(s) $(TARGET_DIR) \
+		$(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS)) \
+		$(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT_ARGS))$(sep))

 	touch $(TARGET_DIR)/usr

@@ -819,7 +823,9 @@ target-post-image: $(TARGETS_ROOTFS) target-finalize staging-finalize
 	$(Q)mkdir -p $(BINARIES_DIR)
 	@$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
 		$(call MESSAGE,"Executing post-image script $(s)"); \
-		$(EXTRA_ENV) $(s) $(BINARIES_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
+		$(EXTRA_ENV) $(s) $(BINARIES_DIR) \
+		$(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS)) \
+		$(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT_ARGS))$(sep))

 .PHONY: source
 source: $(foreach p,$(PACKAGES),$(p)-all-source)
diff --git a/docs/manual/customize-post-image.adoc b/docs/manual/customize-post-image.adoc
index 5308093d06..1f11cf915f 100644
--- a/docs/manual/customize-post-image.adoc
+++ b/docs/manual/customize-post-image.adoc
@@ -26,6 +26,11 @@ arguments will be passed to the script too. 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.

+Note that the arguments from +BR2_ROOTFS_POST_SCRIPT_ARGS+ will also be
+passed to post-build and post-fakeroot scripts. If you want to use
+arguments that are only used for the post-image scripts you can use
++BR2_ROOTFS_POST_IMAGE_SCRIPT_ARGS+.
+
 Again just like for the post-build scripts, the scripts have access to
 the environment variables +BR2_CONFIG+, +HOST_DIR+, +STAGING_DIR+,
 +TARGET_DIR+, +BUILD_DIR+, +BINARIES_DIR+, +CONFIG_DIR+ and
diff --git a/docs/manual/customize-rootfs.adoc b/docs/manual/customize-rootfs.adoc
index d5d8b9288f..1384c1d2d3 100644
--- a/docs/manual/customize-rootfs.adoc
+++ b/docs/manual/customize-rootfs.adoc
@@ -56,6 +56,12 @@ The post-build scripts are run with the main Buildroot tree as current
   passed to the script too. 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.
+
+  Note that the arguments from +BR2_ROOTFS_POST_SCRIPT_ARGS+ will also be
+  passed to post-image and post-fakeroot scripts. If you want to use
+  arguments that are only used for the post-build scripts you can use
+  +BR2_ROOTFS_POST_BUILD_SCRIPT_ARGS+.
+
 +
 In addition, you may also use these environment variables:

diff --git a/fs/common.mk b/fs/common.mk
index 37eafac4f7..2f3f8bcc7e 100644
--- a/fs/common.mk
+++ b/fs/common.mk
@@ -182,7 +182,7 @@ $$(BINARIES_DIR)/$$(ROOTFS_$(2)_FINAL_IMAGE_NAME): $$(ROOTFS_$(2)_DEPENDENCIES)
 		$$(call PRINTF,$$($$(hook))) >> $$(FAKEROOT_SCRIPT)$$(sep))
 	$$(foreach s,$$(call qstrip,$$(BR2_ROOTFS_POST_FAKEROOT_SCRIPT)),\
 		echo "echo '$$(TERM_BOLD)>>>   Executing fakeroot script $$(s)$$(TERM_RESET)'" >> $$(FAKEROOT_SCRIPT); \
-		echo $$(EXTRA_ENV) $$(s) $$(TARGET_DIR) $$(BR2_ROOTFS_POST_SCRIPT_ARGS) >> $$(FAKEROOT_SCRIPT)$$(sep))
+		echo $$(EXTRA_ENV) $$(s) $$(TARGET_DIR) $$(BR2_ROOTFS_POST_SCRIPT_ARGS) $$(BR2_ROOTFS_POST_FAKEROOT_SCRIPT_ARGS) >> $$(FAKEROOT_SCRIPT)$$(sep))

 	$$(foreach hook,$$(ROOTFS_$(2)_PRE_GEN_HOOKS),\
 		$$(call PRINTF,$$($$(hook))) >> $$(FAKEROOT_SCRIPT)$$(sep))
diff --git a/system/Config.in b/system/Config.in
index 33ca69b933..1bb4c89b36 100644
--- a/system/Config.in
+++ b/system/Config.in
@@ -695,20 +695,60 @@ config BR2_ROOTFS_POST_IMAGE_SCRIPT

 config BR2_ROOTFS_POST_SCRIPT_ARGS
 	string "Extra arguments passed to custom scripts"
-	depends on BR2_ROOTFS_POST_BUILD_SCRIPT != "" \
+	depends on BR2_ROOTFS_PRE_BUILD_SCRIPT != "" \
+	        || BR2_ROOTFS_POST_BUILD_SCRIPT != "" \
 		|| BR2_ROOTFS_POST_FAKEROOT_SCRIPT != "" \
 		|| BR2_ROOTFS_POST_IMAGE_SCRIPT != ""
 	help
-	  Pass these additional arguments to each post-build or
-	  post-image scripts.
+	  Pass these additional arguments to each pre-build, post-build,
+	  post-fakeroot and post-image scripts.

 	  Note that all the post-build and post-image scripts will be
 	  passed the same set of arguments, you can not pass different
 	  arguments to each script.

 	  Note also, as stated in their respective help text, that the
-	  first argument to each post-build or post-image script is the
-	  target directory / images directory. The arguments in this
-	  option will be passed *after* those.
+	  first argument to each script is the target directory / images
+	  directory. The arguments in this option will be passed *after* those.
+
+config BR2_ROOTFS_PRE_BUILD_SCRIPT_ARGS
+	string "Extra arguments passed to BR2_ROOTFS_PRE_BUILD_SCRIPT"
+	depends on BR2_ROOTFS_PRE_BUILD_SCRIPT != ""
+	help
+	  Pass these additional arguments to the pre-build script.
+
+	  Note also, as stated in the respective help text, that the
+	  first argument to each script is the target directory.
+	  The arguments in this option will be passed *after* those.
+
+config BR2_ROOTFS_POST_BUILD_SCRIPT_ARGS
+	string "Extra arguments passed to BR2_ROOTFS_POST_BUILD_SCRIPT"
+	depends on BR2_ROOTFS_POST_BUILD_SCRIPT != ""
+	help
+	  Pass these additional arguments to the post-build script.
+
+	  Note also, as stated in the respective help text, that the
+	  first argument to each script is the target directory.
+	  The arguments in this option will be passed *after* those.
+
+config BR2_ROOTFS_POST_FAKEROOT_SCRIPT_ARGS
+	string "Extra arguments passed to BR2_ROOTFS_POST_FAKEROOT_SCRIPT"
+	depends on BR2_ROOTFS_POST_FAKEROOT_SCRIPT != ""
+	help
+	  Pass these additional arguments to the post-fakeroot script.
+
+	  Note also, as stated in the respective help text, that the
+	  first argument to each script is the target directory.
+	  The arguments in this option will be passed *after* those.
+
+config BR2_ROOTFS_POST_IMAGE_SCRIPT_ARGS
+	string "Extra arguments passed to POST_IMAGE_SCRIPT"
+	depends on BR2_ROOTFS_POST_IMAGE_SCRIPT != ""
+	help
+	  Pass these additional arguments to the post-image script.
+
+	  Note also, as stated in the respective help text, that the
+	  first argument to each script is the images directory.
+	  The arguments in this option will be passed *after* those.

 endmenu
--
2.39.2

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