[Buildroot] [PATCH 4 of 4] manual: add some info on the POST_RSYNC hook
Thomas De Schampheleire
patrickdepinguin at gmail.com
Fri Nov 1 16:06:49 UTC 2013
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire at gmail.com>
---
docs/manual/adding-packages-hooks.txt | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/docs/manual/adding-packages-hooks.txt b/docs/manual/adding-packages-hooks.txt
--- a/docs/manual/adding-packages-hooks.txt
+++ b/docs/manual/adding-packages-hooks.txt
@@ -39,3 +39,22 @@ endef
LIBFOO_POST_PATCH_HOOKS += LIBFOO_POST_PATCH_FIXUP
----------------------
+
+Using the +POST_RSYNC+ hook
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+The +POST_RSYNC+ hook is run only for packages that have a local source
+override, using the +OVERRIDE_SRCDIR+ mechanism. In that case, the
+package sources are copied using +rsync+ from a local location into the
+buildroot build directory. The +rsync+ command does not copy all files
+from the source directory, though. Files belonging to a version control
+system, like the directories +.git+, +.hg+, etc. are not copied. For
+most packages this is sufficient, but a given package can perform
+additional actions using the +POST_RSYNC+ hook.
+
+In principle, the hook can contain any command you want. One specific
+use case, though, is the intentional copying of the version control
+directory using +rsync+. The +rsync+ command you use in the hook can, among
+others, use the following variables:
+
+* +$(SRCDIR)+: the path to the overridden source directory
+* +$(@D)+: the path to the build directory
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