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path: root/lib/libalpm/be_local.c
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-rw-r--r--lib/libalpm/be_local.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index c1e86a63..848ecc58 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -924,9 +924,62 @@ int _alpm_local_db_remove(pmdb_t *db, pmpkg_t *info)
return(ret);
}
+static int local_db_version(pmdb_t *db)
+{
+ struct dirent *ent = NULL;
+ const char *dbpath;
+ DIR *dbdir;
+ int version;
+
+ dbpath = _alpm_db_path(db);
+ if(dbpath == NULL) {
+ RET_ERR(PM_ERR_DB_OPEN, -1);
+ }
+ dbdir = opendir(dbpath);
+ if(dbdir == NULL) {
+ if(errno == ENOENT) {
+ /* database dir doesn't exist yet */
+ version = 2;
+ goto done;
+ } else {
+ RET_ERR(PM_ERR_DB_OPEN, -1);
+ }
+ }
+
+ while((ent = readdir(dbdir)) != NULL) {
+ const char *name = ent->d_name;
+ char path[PATH_MAX];
+
+ if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0) {
+ continue;
+ }
+ if(!is_dir(dbpath, ent)) {
+ continue;
+ }
+
+ snprintf(path, PATH_MAX, "%s%s/depends", dbpath, name);
+ if(access(path, F_OK) == 0) {
+ /* we found a depends file- bail */
+ version = 1;
+ goto done;
+ }
+ }
+ /* we found no depends file after full scan */
+ version = 2;
+
+done:
+ if(dbdir) {
+ closedir(dbdir);
+ }
+
+ _alpm_log(PM_LOG_DEBUG, "local database version %d\n", version);
+ return(version);
+}
+
struct db_operations local_db_ops = {
.populate = local_db_populate,
.unregister = _alpm_db_unregister,
+ .version = local_db_version,
};
pmdb_t *_alpm_db_register_local(void)