c8dba310d7
We add the ability to filter the object types in the path-walk API so the callback function is called fewer times. This adds the ability to ask for the commits in a list, as well. We re-use the empty string for this set of objects because these are passed directly to the callback function instead of being part of the 'path_stack'. Future changes will add the ability to visit annotated tags. Signed-off-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* path-walk.h : Methods and structures for walking the object graph in batches
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* by the paths that can reach those objects.
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*/
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#include "object.h" /* Required for 'enum object_type'. */
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struct rev_info;
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struct oid_array;
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/**
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* The type of a function pointer for the method that is called on a list of
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* objects reachable at a given path.
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*/
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typedef int (*path_fn)(const char *path,
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struct oid_array *oids,
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enum object_type type,
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void *data);
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struct path_walk_info {
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/**
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* revs provides the definitions for the commit walk, including
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* which commits are UNINTERESTING or not. This structure is
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* expected to be owned by the caller.
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*/
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struct rev_info *revs;
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/**
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* The caller wishes to execute custom logic on objects reachable at a
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* given path. Every reachable object will be visited exactly once, and
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* the first path to see an object wins. This may not be a stable choice.
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*/
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path_fn path_fn;
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void *path_fn_data;
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/**
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* Initialize which object types the path_fn should be called on. This
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* could also limit the walk to skip blobs if not set.
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*/
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int commits;
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int trees;
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int blobs;
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};
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#define PATH_WALK_INFO_INIT { \
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.blobs = 1, \
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.trees = 1, \
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.commits = 1, \
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}
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void path_walk_info_init(struct path_walk_info *info);
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void path_walk_info_clear(struct path_walk_info *info);
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/**
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* Given the configuration of 'info', walk the commits based on 'info->revs' and
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* call 'info->path_fn' on each discovered path.
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*
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* Returns nonzero on an error.
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*/
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int walk_objects_by_path(struct path_walk_info *info);
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