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-rw-r--r--src/pacman/sync.c59
1 files changed, 54 insertions, 5 deletions
diff --git a/src/pacman/sync.c b/src/pacman/sync.c
index 251de0c2..bb4926e2 100644
--- a/src/pacman/sync.c
+++ b/src/pacman/sync.c
@@ -41,6 +41,7 @@
#include "conf.h"
extern config_t *config;
+extern pmdb_t *db_local;
static int sync_cleancache(int level)
{
@@ -50,14 +51,62 @@ static int sync_cleancache(int level)
if(level == 1) {
/* incomplete cleanup */
- printf(_("Partial cache cleaning functionality in pacman needs a lot of work.\n"
- "For now it is recommended to use one of the many external tools, such\n"
- "as a python script, to do so.\n"));
- return(1);
+ DIR *dir;
+ struct dirent *ent;
+ /* Let's vastly improve the way this is done. Before, we went by package
+ * name. Instead, let's only keep packages we have installed. Open up each
+ * package and see if it has an entry in the local DB; if not, delete it.
+ */
+ printf(_("Cache directory: %s\n"), cachedir);
+ if(!yesno(_("Do you want to remove non-installed packages from cache? [Y/n] "))) {
+ return(0);
+ }
+ printf(_("removing old packages from cache... "));
+
+ dir = opendir(cachedir);
+ if(dir == NULL) {
+ fprintf(stderr, _("error: could not access cache directory\n"));
+ return(1);
+ }
+
+ rewinddir(dir);
+ /* step through the directory one file at a time */
+ while((ent = readdir(dir)) != NULL) {
+ char path[PATH_MAX];
+ pmpkg_t *localpkg = NULL, *dbpkg = NULL;
+
+ if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) {
+ continue;
+ }
+ /* build the full filepath */
+ snprintf(path, PATH_MAX, "%s/%s", cachedir, ent->d_name);
+
+ /* attempt to load the package, skip file on failures as we may have
+ * files here that aren't valid packages */
+ if(alpm_pkg_load(path, &localpkg) != 0 || localpkg == NULL) {
+ continue;
+ }
+ /* check if this package is in the local DB */
+ dbpkg = alpm_db_get_pkg(db_local, alpm_pkg_get_name(localpkg));
+ if(dbpkg == NULL) {
+ /* delete package, not present in local DB */
+ unlink(path);
+ } else if(alpm_pkg_vercmp(alpm_pkg_get_version(localpkg),
+ alpm_pkg_get_version(dbpkg)) != 0) {
+ /* delete package, it was found but version differs */
+ unlink(path);
+ }
+ /* else version was the same, so keep the package */
+ /* free the local file package */
+ alpm_pkg_free(localpkg);
+ }
+ printf(_("done.\n"));
} else {
/* full cleanup */
- if(!yesno(_("Do you want to remove all packages from cache? [Y/n] ")))
+ printf(_("Cache directory: %s\n"), cachedir);
+ if(!yesno(_("Do you want to remove ALL packages from cache? [Y/n] "))) {
return(0);
+ }
printf(_("removing all packages from cache... "));
if(rmrf(cachedir)) {