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e2527cf58f
This patch can make the following settings much more faster: BB_GIT_SHALLOW = "1" BB_GENERATE_MIRROR_TARBALLS = "1" * The previous implementation was: - Make a full clone for the repo from local ud.clonedir - Use git-make-shallow to remove unneeded revs It was very slow for recipes which have a lot of SRC_URIs, for example vulkan-samples and docker-compose, the docker-compose can't be done after 5 hours. $ bitbake vulkan-samples -cfetch Before: 12 minutes Now: 2 minutes $ bitbake docker-compose -cfetch Before: More than 300 minutes Now: 15 minutes * The patch uses git shallow fetch to fetch the repo from local ud.clonedir: - For BB_GIT_SHALLOW_DEPTH: git fetch --depth <depth> rev - For BB_GIT_SHALLOW_REVS: git fetch --shallow-exclude=<revs> rev Then the git repo will be shallow, and git-make-shallow is not needed any more. And git shallow fetch will download less commits than before since it doesn't need "rev^" to parse the dependencies, the previous code always need 'rev^'. (Bitbake rev: a5a569c075224fe41707cfa9123c442d1fda2fbf) Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>