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verify_bundle() returned with an error early only when all
prerequisite commits were missing. It should error out much
earlier when some are missing.
When the rev-list is limited in ways other than revision range
(e.g. --max-count or --max-age), create_bundle() listed all
positive refs given from the command line as if they are
available, but resulting pack may not have some of them. Add a
logic to make sure all of them are included, and error out
otherwise.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This removes the flag internally used by revision traversal to
decide which commits are indeed boundaries and renames it to
CHILD_SHOWN. builtin-bundle uses the symbol for its
verification, but I think the logic it uses it is wrong. The
flag is still useful but it is local to the git-bundle, so it is
renamed to PREREQ_MARK.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The handcrafted built-in rev-list lookalike forgot to mark the trees
and blobs contained in the boundary commits uninteresting, resulting
in unnecessary objects in the pack.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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As suggested by Mark Levedahl.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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We can use the revision walker easily for checking if the
prerequisites are met, instead of fork()ing off a rev-list,
which would list only the first unmet prerequisite.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This patch fixes issues mentioned by Junio, Nico and Simon:
- I forgot to convert the usage string when removing the "--" from
the subcommands,
- a style fix in the bundle_header,
- use xread() instead of read(),
- use write_or_die() instead of write(),
- make the bundle header extensible,
- fail if the whitespace after a sha1 of a reference is missing,
- close() the fds passed to a subprocess,
- in verify_bundle(), do not use "rev-list --stdin", but rather
pass the revs directly (avoiding a fork()),
- fix a corrupted comment in show_object(), and
- fix the size check in index_pack.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Some workflows require use of repositories on machines that cannot be
connected, preventing use of git-fetch / git-push to transport objects and
references between the repositories.
git-bundle provides an alternate transport mechanism, effectively allowing
git-fetch and git-pull to operate using sneakernet transport. `git-bundle
create` allows the user to create a bundle containing one or more branches
or tags, but with specified basis assumed to exist on the target
repository. At the receiving end, git-bundle acts like git-fetch-pack,
allowing the user to invoke git-fetch or git-pull using the bundle file as
the URL. git-fetch and git-ls-remote determine they have a bundle URL by
checking that the URL points to a file, but are otherwise unchanged in
operation with bundles.
The original patch was done by Mark Levedahl <mdl123@verizon.net>.
It was updated to make git-bundle a builtin, and get rid of the tar
format: now, the first line is supposed to say "# v2 git bundle", the next
lines either contain a prerequisite ("-" followed by the hash of the
needed commit), or a ref (the hash of a commit, followed by the name of
the ref), and finally the pack. As a result, the bundle argument can be
"-" now.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Junio C Hamano
Johannes Schindelin