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Bazel: Document experimental local repository cache 

Change-Id: Ic2f19246f175adf8928fef441e0c6ef721109ed0
This commit is contained in:
David Ostrovsky 2017-12-24 08:44:44 +01:00
parent dd7d86cbf2
commit 3b3a5eb7b3
1 changed files with 24 additions and 0 deletions
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Documentation/dev-bazel.txt
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@ -398,6 +398,30 @@ build --experimental_strict_action_env
unfortunately not supported yet. This is also the reason why we can't activate this
feature by default yet (by adjusting tools/bazel.rc file).
[[repository_cache]]
To accelerate fetches, local repository cache can be activated. This cache is
only used for rules_closure external repository and transitive dependendcies.
That's because rules_closure uses standard Bazel download facility. For all
other gerrit dependencies, the download_artifacts repository cache is used
already.
To activate the local repository cache, create accessible cache directory:
----
mkdir -p ~/.gerritcodereview/bazel-cache/repository
----
and add this line to your `~/.bazelrc` file:
----
build --experimental_repository_cache=/home/<user>/.gerritcodereview/bazel-cache/repository
----
[NOTE] `experimental_repository_cache` must be absolute path. Expansion of `~` is
unfortunately not supported yet. This is also the reason why we can't activate this
feature by default yet (by adjusting tools/bazel.rc file).
GERRIT
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