whatrequires.c

#include <solv/policy.h>
#include <solv/pool.h>
#include <solv/repo.h>
#include <solv/repo_solv.h>
#include <solv/selection.h>

int
main (int    argc,
      char **argv)
{
  Pool *pool;
  Repo *bin, *src;
  FILE *fp;
  Queue sel;

  pool = pool_create ();
  pool_setarch (pool, "x86_64");

  bin = repo_create (pool, "binary");
  fp = fopen ("/var/cache/dnf/rawhide.solv", "rb");
  repo_add_solv (bin, fp, 0);
  fclose (fp);

  src = repo_create (pool, "source");
  fp = fopen ("/var/cache/dnf/rawhide-source.solv", "rb");
  repo_add_solv (src, fp, 0);
  fclose (fp);

  pool_createwhatprovides (pool);

  queue_init (&sel);
  selection_make (pool, &sel, argv[1], SELECTION_NAME | SELECTION_GLOB);

  Queue rpms;
  queue_init (&rpms);
  selection_solvables (pool, &sel, &rpms);
  queue_free (&sel);
  pool_best_solvables (pool, &rpms, 0);
  Queue q;
  queue_init (&q);
  for (int i = 0; i < rpms.count; i++)
    {
      Id p = rpms.elements[i];
      Solvable *s = pool_id2solvable (pool, p);
      printf ("%s\n", pool_solvid2str (pool, p));
      pool_whatmatchessolvable (pool, SOLVABLE_REQUIRES, p, &q, 0);
      for (int j = 0; j < q.count; j++)
        {
          Solvable *d = pool_id2solvable (pool, q.elements[j]);
          if ((strcmp (solvable_lookup_sourcepkg (s), solvable_lookup_sourcepkg (d))) != 0)
            printf ("  - %s\n", pool_solvid2str (pool, q.elements[j]));
        }
      queue_empty (&q);
    }

  queue_free (&rpms);
  pool_free (pool);

  return 0;
}