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authorJavi Fontan <jfontan@gmail.com>2018-05-14 17:16:16 +0200
committerJavi Fontan <jfontan@gmail.com>2018-05-14 17:16:16 +0200
commit939793b42974c12abf2d2b65facee489004a9e06 (patch)
tree9e8386962b8000781c851dc9367839d9e8d2ce65 /utils/merkletrie/iter.go
parente63b032e91ce35e0ecd5f27d43be655625e8af36 (diff)
downloadgo-git-939793b42974c12abf2d2b65facee489004a9e06.tar.gz
git: remote, Do not iterate all references on update.
The current code iterates all the references in the remote to check if they match the refspec. This is OK when the refspec is a wildcard but is a waste of time when they are not. A hash with references is generated for fast access before starting the update and used only when the refspec is not a wildcard. In a repository with 7800 references this meant 7800 * 7800 checks. With the current code it took 8m30s to update the references. With the new code it takes less than 0.5s. References are already extensively tested in remote_test.go. Signed-off-by: Javi Fontan <jfontan@gmail.com>
Diffstat (limited to 'utils/merkletrie/iter.go')
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