10000 bundle: Add bundle transport and test cloning from a bundle by lrm29 · Pull Request #7101 · libgit2/libgit2 · GitHub
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bundle: Add bundle transport and test cloning from a bundle #7101

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bundle: Add bundle transport and test cloning from a bundle #7101

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@lrm29 lrm29 commented Jun 30, 2025 •
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Enables cloning and fetching from bundles.

I implemented it as a new "transport", so the entry point is in transport_find_fn, where we check if a local file is a bundle (but only after we have attempted to find other transport options).

The documentation I used to implement this is here:

Git: Bundle File Format Documentation
Git: Bundle Documentation

Still Todo:

  • Enforce the prerequisite commits when present. I think this would be done in bundle_negotiate_fetch.
  • Add a libgit2 API to create bundles.
  • Show progress reading the pack?

Some puzzles:

  • I had to add "sort_head_to_front" as clients of ls_remote such as local clone require HEAD to be the first in the list.
  • read_until_packfile felt a bit dirty/inefficient reading byte-by-byte until the double newline, which denotes the start of the packfile.

Closes #6824 and #1718.

@lrm29 lrm29 force-pushed the bundle_clone branch 6 times, most recently from a997ee6 to 877a3ae Compare July 1, 2025 09:57
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Support for bundle create, fetch, clone
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