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bundle: parse filter capability

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The v3 bundle format has capabilities, allowing newer versions of Git to
create bundles with newer features. Older versions that do not
understand these new capabilities will fail with a helpful warning.

Create a new capability allowing Git to understand that the contained
pack-file is filtered according to some object filter. Typically, this
filter will be "blob:none" for a blobless partial clone.

This change teaches Git to parse this capability, place its value in the
bundle header, and demonstrate this understanding by adding a message to
'git bundle verify'.

Since we will use gently_parse_list_objects_filter() outside of
list-objects-filter-options.c, make it an external method and move its
API documentation to before its declaration.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee
2022-03-09 16:01:39 +00:00
committed by Junio C Hamano
parent 4f33a6345f
commit 105c6f14ad
6 changed files with 50 additions and 22 deletions
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2
bundle.h
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@ -4,12 +4,14 @@
#include "strvec.h"
#include "cache.h"
#include "string-list.h"
#include "list-objects-filter-options.h"
struct bundle_header {
unsigned version;
struct string_list prerequisites;
struct string_list references;
const struct git_hash_algo *hash_algo;
struct list_objects_filter_options filter;
};
#define BUNDLE_HEADER_INIT \