connected.h

   1 #ifndef CONNECTED_H
   2 #define CONNECTED_H
   3
   4 struct transport;
   5
   6 /*
   7  * Take callback data, and return next object name in the buffer.
   8  * When called after returning the name for the last object, return -1
   9  * to signal EOF, otherwise return 0.
  10  */
  11 typedef int (*sha1_iterate_fn)(void *, unsigned char [20]);
  12
  13 /*
  14  * Named-arguments struct for check_connected. All arguments are
  15  * optional, and can be left to defaults as set by CHECK_CONNECTED_INIT.
  16  */
  17 struct check_connected_options {
  18         /* Avoid printing any errors to stderr. */
  19         int quiet;
  20
  21         /* --shallow-file to pass to rev-list sub-process */
  22         const char *shallow_file;
  23
  24         /* Transport whose objects we are checking, if available. */
  25         struct transport *transport;
  26
  27         /*
  28          * If non-zero, send error messages to this descriptor rather
  29          * than stderr. The descriptor is closed before check_connected
  30          * returns.
  31          */
  32         int err_fd;
  33
  34         /* If non-zero, show progress as we traverse the objects. */
  35         int progress;
  36
  37         /*
  38          * Insert these variables into the environment of the child process.
  39          */
  40         const char **env;
  41 };
  42
  43 #define CHECK_CONNECTED_INIT { 0 }
  44
  45 /*
  46  * Make sure that our object store has all the commits necessary to
  47  * connect the ancestry chain to some of our existing refs, and all
  48  * the trees and blobs that these commits use.
  49  *
  50  * Return 0 if Ok, non zero otherwise (i.e. some missing objects)
  51  *
  52  * If "opt" is NULL, behaves as if CHECK_CONNECTED_INIT was passed.
  53  */
  54 int check_connected(sha1_iterate_fn fn, void *cb_data,
  55                     struct check_connected_options *opt);
  56
  57 #endif /* CONNECTED_H */