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path-walk.h
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/*
* path-walk.h : Methods and structures for walking the object graph in batches
* by the paths that can reach those objects.
*/
#include "object.h" /* Required for 'enum object_type'. */
struct rev_info;
struct oid_array;
struct pattern_list;
/**
* The type of a function pointer for the method that is called on a list of
* objects reachable at a given path.
*/
typedef int (*path_fn)(const char *path,
struct oid_array *oids,
enum object_type type,
void *data);
struct path_walk_info {
/**
* revs provides the definitions for the commit walk, including
* which commits are UNINTERESTING or not.
*/
struct rev_info *revs;
/**
* The caller wishes to execute custom logic on objects reachable at a
* given path. Every reachable object will be visited exactly once, and
* the first path to see an object wins. This may not be a stable choice.
*/
path_fn path_fn;
void *path_fn_data;
/**
* Initialize which object types the path_fn should be called on. This
* could also limit the walk to skip blobs if not set.
*/
int commits;
int trees;
int blobs;
int tags;
/**
* When 'prune_all_uninteresting' is set and a path has all objects
* marked as UNINTERESTING, then the path-walk will not visit those
* objects. It will not call path_fn on those objects and will not
* walk the children of such trees.
*/
int prune_all_uninteresting;
/**
* Specify a sparse-checkout definition to match our paths to. Do not
* walk outside of this sparse definition. If the patterns are in
* cone mode, then the search may prune directories that are outside
* of the cone. If not in cone mode, then all tree paths will be
* explored but the path_fn will only be called when the path matches
* the sparse-checkout patterns.
*/
struct pattern_list *pl;
};
#define PATH_WALK_INFO_INIT { \
.blobs = 1, \
.trees = 1, \
.commits = 1, \
.tags = 1, \
}
/**
* Given the configuration of 'info', walk the commits based on 'info->revs' and
* call 'info->path_fn' on each discovered path.
*
* Returns nonzero on an error.
*/
int walk_objects_by_path(struct path_walk_info *info);