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HardenedBSD Package Manager
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Git
Commits › 0544a3d
Add heuristic to process upgrade chains.
Vsevolod Stakhov committed 11 years ago
commit 0544a3d35dc51f2d9030c666d8e005235364081a
parent 008300b
1 file changed +71 -0
modified libpkg/pkg_jobs_universe.c
@@ -768,3 +768,74 @@ pkg_jobs_universe_change_uid(struct pkg_jobs_universe *universe,
		HASH_ADD_KEYPTR(hh, universe->items, new_uid, uidlen, unit);



}
+
+ 
void
+ 
pkg_jobs_universe_process_upgrade_chains(struct pkg_jobs *j)
+ 
{
+ 
	struct pkg_job_universe_item *unit, *tmp, *cur, *local;
+ 
	struct pkg_job_request *req;
+
+ 
	HASH_ITER(hh, j->universe->items, unit, tmp) {
+ 
		unsigned vercnt = 0;
+
+ 
		local = NULL;
+ 
		LL_FOREACH(unit, cur) {
+ 
			if (cur->pkg->type == PKG_INSTALLED)
+ 
				local = cur;
+ 
			vercnt ++;
+ 
		}
+
+ 
		if (vercnt > 2) {
+ 
			/*
+ 
			 * Here we have more than one upgrade candidate,
+ 
			 * if local == NULL, then we have two remote repos,
+ 
			 * if local != NULL, then we have unspecified upgrade path
+ 
			 */
+
+ 
			if (local == NULL) {
+ 
				/* Select the most recent or one of packages */
+ 
				struct pkg_job_universe_item *selected = NULL;
+ 
				LL_FOREACH(unit, cur) {
+ 
					if (selected != NULL && pkg_version_change_between(selected->pkg,
+ 
						cur->pkg) > 0) {
+ 
						selected = cur;
+ 
					}
+ 
					else if (selected == NULL) {
+ 
						selected = cur;
+ 
					}
+ 
				}
+ 
				/* Now remove all requests but selected */
+ 
				assert(selected != NULL);
+ 
				LL_FOREACH(unit, cur) {
+ 
					if (cur != selected) {
+ 
						HASH_FIND_PTR(j->request_add, &cur, req);
+ 
						if (req != NULL)
+ 
							HASH_DEL(j->request_add, req);
+ 
					}
+ 
				}
+ 
			}
+ 
			else {
+ 
				/*
+ 
				 * We have no ideas what to select, but we need to remove
+ 
				 * all install requests leaving only delete request for the
+ 
				 * local package
+ 
				 */
+ 
				req = calloc(1, sizeof (struct pkg_job_request));
+ 
				if (req == NULL) {
+ 
					pkg_emit_errno("malloc", "struct pkg_job_request");
+ 
					return;
+ 
				}
+ 
				req->item = local;
+ 
				HASH_ADD_PTR(j->request_delete, item, req);
+
+ 
				LL_FOREACH(unit, cur) {
+ 
					if (cur->pkg->type == PKG_INSTALLED) {
+ 
						HASH_FIND_PTR(j->request_add, &cur, req);
+ 
						if (req != NULL)
+ 
							HASH_DEL(j->request_add, req);
+ 
					}
+ 
				}
+ 
			}
+ 
		}
+ 
	}
+ 
}