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Joey Hess 2011-11-12 14:24:14 -04:00
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doc/todo/optimise_git-annex_merge.mdwn Normal file
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Typically `git-annex merge` is fast, but it could still be sped up.
`git-annex merge` runs `git-hash-object` once per file that needs to be
merged. Elsewhere in git-annex, `git-hash-object` is used in a faster mode,
reading files from disk via `--stdin-paths`. But here, the data is not
in raw files on disk, and I doubt writing them is the best approach.
Instead, I'd like a way to stream multiple objects into git using stdin.
Sometime, should look at either extending git-hash-object to support that,
or possibly look at using git-fast-import instead.
`git-annex merge` also runs `git show` once per file that needs to be
merged. This could be reduced to a single call to `git-cat-file --batch`,
There is already a Git.CatFile library that can do this easily. --[[Joey]]