git/connected.h
Jeff King 526f108a27 check_connected: accept an env argument
This lets callers influence the environment seen by
rev-list, which will be useful when we start providing
quarantined objects.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-10-10 13:54:02 -07:00

58 lines
1.5 KiB
C

#ifndef CONNECTED_H
#define CONNECTED_H
struct transport;
/*
* Take callback data, and return next object name in the buffer.
* When called after returning the name for the last object, return -1
* to signal EOF, otherwise return 0.
*/
typedef int (*sha1_iterate_fn)(void *, unsigned char [20]);
/*
* Named-arguments struct for check_connected. All arguments are
* optional, and can be left to defaults as set by CHECK_CONNECTED_INIT.
*/
struct check_connected_options {
/* Avoid printing any errors to stderr. */
int quiet;
/* --shallow-file to pass to rev-list sub-process */
const char *shallow_file;
/* Transport whose objects we are checking, if available. */
struct transport *transport;
/*
* If non-zero, send error messages to this descriptor rather
* than stderr. The descriptor is closed before check_connected
* returns.
*/
int err_fd;
/* If non-zero, show progress as we traverse the objects. */
int progress;
/*
* Insert these variables into the environment of the child process.
*/
const char **env;
};
#define CHECK_CONNECTED_INIT { 0 }
/*
* Make sure that our object store has all the commits necessary to
* connect the ancestry chain to some of our existing refs, and all
* the trees and blobs that these commits use.
*
* Return 0 if Ok, non zero otherwise (i.e. some missing objects)
*
* If "opt" is NULL, behaves as if CHECK_CONNECTED_INIT was passed.
*/
int check_connected(sha1_iterate_fn fn, void *cb_data,
struct check_connected_options *opt);
#endif /* CONNECTED_H */