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db: track reverse dependencies 

This will be used later by the commit change calculator (for improved
changeset calculation, ref #7). Will be also used by "apk info" to show
reverse dependencies or "required by" information.
cute-signatures
Timo Teras 2009-04-14 09:21:30 +03:00
parent f4210298ad
commit c11b70c7f0
2 changed files with 24 additions and 0 deletions
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4
src/apk_database.h
View File

@ -19,6 +19,9 @@
#define APK_MAX_REPOS 32
struct apk_name;
APK_ARRAY(apk_name_array, struct apk_name *);
struct apk_db_file {
struct hlist_node hash_node;
struct hlist_node diri_files_list;
@ -55,6 +58,7 @@ struct apk_name {
apk_hash_node hash_node;
char *name;
struct apk_package_array *pkgs;
struct apk_name_array *rdepends;
};
struct apk_repository {

20
src/database.c
View File

@ -329,6 +329,25 @@ static void apk_db_file_change_owner(struct apk_database *db,
*after = &file->diri_files_list.next;
}
static void apk_db_pkg_rdepends(struct apk_database *db, struct apk_package *pkg)
{
int i, j;
if (pkg->depends == NULL)
return;
for (i = 0; i < pkg->depends->num; i++) {
struct apk_name *rname = pkg->depends->item[i].name;
if (rname->rdepends) {
for (j = 0; j < rname->rdepends->num; j++)
if (rname->rdepends->item[j] == pkg->name)
return;
}
*apk_name_array_add(&rname->rdepends) = pkg->name;
}
}
static struct apk_package *apk_db_pkg_add(struct apk_database *db, struct apk_package *pkg)
{
struct apk_package *idb;
@ -339,6 +358,7 @@ static struct apk_package *apk_db_pkg_add(struct apk_database *db, struct apk_pa
pkg->id = db->pkg_id++;
apk_hash_insert(&db->available.packages, pkg);
*apk_package_array_add(&pkg->name->pkgs) = pkg;
apk_db_pkg_rdepends(db, pkg);
} else {
idb->repos |= pkg->repos;
apk_pkg_free(pkg);