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Extend the -Sc operation to also clean up unused sync databases.

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We discussed this with stonecrest on IRC :
20:46   stonecrest >> someone brings up a good point.. why aren't repos that aren't in the pacman.conf removed from /var/lib/pacman?
20:46   stonecrest >> i have 118mb and 24 dirs in there, but only 5 repos at present
21:26   stonecrest >> shining: i guess you could prompt the user on deleting every dir in /var/lib/pacman.. since it shouldn't happen that often except for
                      the first time
21:30   stonecrest >> could be part of pacman -Sc.. what else were you thinking?

I already heard about this before, but it sounded dangerous to me. I didn't even think about a simple prompt.
I also didn't know where this code would fit. And it fits well with -Sc, I borrowed most of the code from sync_cleancache.

Example session :

Cache directory: /var/cache/pacman/pkg/
Do you want to remove non-installed packages from cache? [Y/n] n
Database directory: /var/lib/pacman/
Do you want to remove unused repositories? [Y/n]
Do you want to remove /var/lib/pacman/sync/pacman-git? [Y/n]
Do you want to remove /var/lib/pacman/sync/deltatest? [Y/n]
Database directory cleaned up

Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Chantry Xavier 2007-11-17 22:52:03 +01:00 committed by Dan McGee
parent 55a7455135
commit b118ce55bd
1 changed files with 73 additions and 1 deletions
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74
src/pacman/sync.c
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@ -43,6 +43,76 @@
extern pmdb_t *db_local;
static int sync_cleandb(const char *dbpath) {
DIR *dir;
struct dirent *ent;
dir = opendir(dbpath);
if(dir == NULL) {
fprintf(stderr, _("error: could not access database directory\n"));
return(1);
}
rewinddir(dir);
/* step through the directory one file at a time */
while((ent = readdir(dir)) != NULL) {
char path[PATH_MAX];
alpm_list_t *syncdbs = NULL, *i;
int found = 0;
char *dname = ent->d_name;
if(!strcmp(dname, ".") || !strcmp(dname, "..")) {
continue;
}
/* skip the local and sync directories */
if(!strcmp(dname, "sync") || !strcmp(dname, "local")) {
continue;
}
syncdbs = alpm_option_get_syncdbs();
for(i = syncdbs; i && !found; i = alpm_list_next(i)) {
pmdb_t *db = alpm_list_getdata(i);
found = !strcmp(dname, alpm_db_get_name(db));
}
/* We have a directory that doesn't match any syncdb.
* Ask the user if he wants to remove it. */
if(!found) {
/* build the full path */
snprintf(path, PATH_MAX, "%s%s", dbpath, ent->d_name);
if(!yesno(_("Do you want to remove %s? [Y/n] "), path)) {
continue;
}
if(rmrf(path)) {
fprintf(stderr, _("error: could not remove repository directory\n"));
return(1);
}
}
}
return(0);
}
static int sync_cleandb_all(void) {
const char *dbpath = alpm_option_get_dbpath();
char newdbpath[PATH_MAX];
printf(_("Database directory: %s\n"), dbpath);
if(!yesno(_("Do you want to remove unused repositories? [Y/n] "))) {
return(0);
}
/* The sync dbs were previously put in dbpath, but are now in dbpath/sync,
* so we will clean both directories */
sync_cleandb(dbpath);
sprintf(newdbpath, "%s%s", dbpath, "sync/");
sync_cleandb(newdbpath);
printf(_("Database directory cleaned up\n"));
return(0);
}
static int sync_cleancache(int level)
{
/* TODO for now, just mess with the first cache directory */
@ -655,7 +725,9 @@ int pacman_sync(alpm_list_t *targets)
/* clean the cache */
if(config->op_s_clean) {
return(sync_cleancache(config->op_s_clean));
int ret = sync_cleancache(config->op_s_clean);
ret += sync_cleandb_all();
return(ret);
}
/* ensure we have at least one valid sync db set up */