int
xbps_pkgdb_update(struct xbps_handle *xhp, bool flush, bool update)
{
xbps_dictionary_t pkgdb_storage;
static int cached_rv;
int rv = 0;
if (cached_rv && !flush)
return cached_rv;
if (xhp->pkgdb && update) {
pkgdb_storage = xbps_dictionary_internalize_from_file(xhp->pkgdb_plist);
if (pkgdb_storage == NULL ||
!xbps_dictionary_equals(xhp->pkgdb, pkgdb_storage)) {
/* flush dictionary to storage */
if (!xbps_dictionary_externalize_to_file(xhp->pkgdb, xhp->pkgdb_plist))
return errno;
}
if (pkgdb_storage)
xbps_object_release(pkgdb_storage);
xbps_object_release(xhp->pkgdb);
xhp->pkgdb = NULL;
cached_rv = 0;
}
if (!update)
return rv;
/* update copy in memory */
if ((xhp->pkgdb = xbps_dictionary_internalize_from_file(xhp->pkgdb_plist)) == NULL) {
rv = errno;
if (!rv)
rv = EINVAL;
if (rv == ENOENT)
xhp->pkgdb = xbps_dictionary_create();
else
xbps_error_printf("cannot access to pkgdb: %s\n", strerror(rv));
cached_rv = rv = errno;
}
return rv;
}
int
xbps_pkgdb_update(struct xbps_handle *xhp, bool flush)
{
xbps_dictionary_t pkgdb_storage;
char *plist;
static int cached_rv;
int rv = 0;
if (cached_rv && !flush)
return cached_rv;
plist = xbps_xasprintf("%s/%s", xhp->metadir, XBPS_PKGDB);
if (xhp->pkgdb && flush) {
pkgdb_storage = xbps_dictionary_internalize_from_file(plist);
if (pkgdb_storage == NULL ||
!xbps_dictionary_equals(xhp->pkgdb, pkgdb_storage)) {
/* flush dictionary to storage */
if (!xbps_dictionary_externalize_to_file(xhp->pkgdb, plist)) {
free(plist);
return errno;
}
}
if (pkgdb_storage)
xbps_object_release(pkgdb_storage);
xbps_object_release(xhp->pkgdb);
xhp->pkgdb = NULL;
cached_rv = 0;
}
/* update copy in memory */
if ((xhp->pkgdb = xbps_dictionary_internalize_from_file(plist)) == NULL) {
if (errno == ENOENT)
xhp->pkgdb = xbps_dictionary_create();
else
xbps_error_printf("cannot access to pkgdb: %s\n", strerror(errno));
cached_rv = rv = errno;
}
free(plist);
return rv;
}
static xbps_array_t
revdeps_match(struct xbps_repo *repo, xbps_dictionary_t tpkgd, const char *str)
{
xbps_dictionary_t pkgd;
xbps_array_t revdeps = NULL, pkgdeps, provides;
xbps_object_iterator_t iter;
xbps_object_t obj;
const char *pkgver, *tpkgver, *arch, *vpkg;
iter = xbps_dictionary_iterator(repo->idx);
assert(iter);
while ((obj = xbps_object_iterator_next(iter))) {
pkgd = xbps_dictionary_get_keysym(repo->idx, obj);
if (xbps_dictionary_equals(pkgd, tpkgd))
continue;
pkgdeps = xbps_dictionary_get(pkgd, "run_depends");
if (!xbps_array_count(pkgdeps))
continue;
/*
* Try to match passed in string.
*/
if (str) {
if (!xbps_match_pkgdep_in_array(pkgdeps, str))
continue;
xbps_dictionary_get_cstring_nocopy(pkgd,
"architecture", &arch);
if (!xbps_pkg_arch_match(repo->xhp, arch, NULL))
continue;
xbps_dictionary_get_cstring_nocopy(pkgd,
"pkgver", &tpkgver);
/* match */
if (revdeps == NULL)
revdeps = xbps_array_create();
if (!xbps_match_string_in_array(revdeps, tpkgver))
xbps_array_add_cstring_nocopy(revdeps, tpkgver);
continue;
}
/*
* Try to match any virtual package.
*/
provides = xbps_dictionary_get(tpkgd, "provides");
for (unsigned int i = 0; i < xbps_array_count(provides); i++) {
xbps_array_get_cstring_nocopy(provides, i, &vpkg);
if (!xbps_match_pkgdep_in_array(pkgdeps, vpkg))
continue;
xbps_dictionary_get_cstring_nocopy(pkgd,
"architecture", &arch);
if (!xbps_pkg_arch_match(repo->xhp, arch, NULL))
continue;
xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver",
&tpkgver);
/* match */
if (revdeps == NULL)
revdeps = xbps_array_create();
if (!xbps_match_string_in_array(revdeps, tpkgver))
xbps_array_add_cstring_nocopy(revdeps, tpkgver);
}
/*
* Try to match by pkgver.
*/
xbps_dictionary_get_cstring_nocopy(tpkgd, "pkgver", &pkgver);
if (!xbps_match_pkgdep_in_array(pkgdeps, pkgver))
continue;
xbps_dictionary_get_cstring_nocopy(pkgd,
"architecture", &arch);
if (!xbps_pkg_arch_match(repo->xhp, arch, NULL))
continue;
xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &tpkgver);
/* match */
if (revdeps == NULL)
revdeps = xbps_array_create();
if (!xbps_match_string_in_array(revdeps, tpkgver))
xbps_array_add_cstring_nocopy(revdeps, tpkgver);
}
xbps_object_iterator_release(iter);
return revdeps;
}