git/walker.h
Jeff King 0af861e0c8 http-walker: use object_id instead of bare hash
We long ago switched most code to using object_id structs instead of
bare "unsigned char *" hashes. This gives us more type safety from the
compiler, and generally makes it easier to understand what we expect in
each parameter.

But the dumb-http code has lagged behind. And indeed, the whole "walker"
subsystem interface has the same problem, though http-walker is the only
user left.

So let's update the walker interface to pass object_id structs (which we
already have anyway at all call sites!), and likewise use those within
the http-walker methods that it calls.

This cleans up the dumb-http code a bit, but will also let us fix a few
more commonly used helper functions.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2024-10-25 17:35:46 -04:00

39 lines
1.1 KiB
C

#ifndef WALKER_H
#define WALKER_H
#include "remote.h"
struct walker {
void *data;
int (*fetch_ref)(struct walker *, struct ref *ref);
void (*prefetch)(struct walker *, const struct object_id *oid);
int (*fetch)(struct walker *, const struct object_id *oid);
void (*cleanup)(struct walker *);
int get_verbosely;
int get_progress;
int get_recover;
int corrupt_object_found;
};
/* Report what we got under get_verbosely */
__attribute__((format (printf, 2, 3)))
void walker_say(struct walker *walker, const char *fmt, ...);
/* Load pull targets from stdin */
int walker_targets_stdin(char ***target, const char ***write_ref);
/* Free up loaded targets */
void walker_targets_free(int targets, char **target, const char **write_ref);
/* If write_ref is set, the ref filename to write the target value to. */
/* If write_ref_log_details is set, additional text will appear in the ref log. */
int walker_fetch(struct walker *impl, int targets, char **target,
const char **write_ref, const char *write_ref_log_details);
void walker_free(struct walker *walker);
struct walker *get_http_walker(const char *url);
#endif /* WALKER_H */