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list-objects: filter objects in traverse_commit_list

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Create traverse_commit_list_filtered() and add filtering
interface to allow certain objects to be omitted from the
traversal.

Update traverse_commit_list() to be a wrapper for the above
with a null filter to minimize the number of callers that
needed to be changed.

Object filtering will be used in a future commit by rev-list
and pack-objects for partial clone and fetch to omit unwanted
objects from the result.

traverse_bitmap_commit_list() does not work with filtering.
If a packfile bitmap is present, it will not be used.  It
should be possible to extend such support in the future (at
least to simple filters that do not require object pathnames),
but that is beyond the scope of this patch series.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Reviewed-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff Hostetler
2017-11-21 20:58:50 +00:00
committed by Junio C Hamano
parent c3a9ad3117
commit 25ec7bcac0
8 changed files with 711 additions and 17 deletions
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13
list-objects.h
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@ -8,4 +8,15 @@ void traverse_commit_list(struct rev_info *, show_commit_fn, show_object_fn, voi
typedef void (*show_edge_fn)(struct commit *);
void mark_edges_uninteresting(struct rev_info *, show_edge_fn);
#endif
struct oidset;
struct list_objects_filter_options;
void traverse_commit_list_filtered(
struct list_objects_filter_options *filter_options,
struct rev_info *revs,
show_commit_fn show_commit,
show_object_fn show_object,
void *show_data,
struct oidset *omitted);
#endif /* LIST_OBJECTS_H */