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authorLukas Fleischer <archlinux@cryptocrack.de>2011-02-26 20:41:04 +0100
committerLukas Fleischer <archlinux@cryptocrack.de>2011-02-26 20:41:04 +0100
commite72f02872fc1f81bdd609c061f08e69b34153c7e (patch)
treecd57d312d2ef8d236c341a7e7fee6b7427fee231 /scripts/aurblup/aurblup.c
parent2e1ce869ec2445f489d7e0d1890289d6f12761aa (diff)
downloadaur-e72f02872fc1f81bdd609c061f08e69b34153c7e.tar.gz
aur-e72f02872fc1f81bdd609c061f08e69b34153c7e.tar.xz
Use a real sync algorithm in aurblup (fixes FS#23039).
Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
Diffstat (limited to 'scripts/aurblup/aurblup.c')
-rw-r--r--scripts/aurblup/aurblup.c138
1 files changed, 101 insertions, 37 deletions
diff --git a/scripts/aurblup/aurblup.c b/scripts/aurblup/aurblup.c
index b9628ebe..fea7ffc1 100644
--- a/scripts/aurblup/aurblup.c
+++ b/scripts/aurblup/aurblup.c
@@ -15,10 +15,13 @@
#define mysql_die(...) die(__VA_ARGS__, mysql_error(c));
void die(const char *, ...);
+alpm_list_t *pkglist_append(alpm_list_t *, const char *);
+alpm_list_t *blacklist_get_pkglist();
void blacklist_add(const char *);
-void blacklist_sync(alpm_list_t *);
-alpm_list_t *get_package_list(alpm_list_t *);
-alpm_list_t *create_db_list(void);
+void blacklist_remove(const char *);
+void blacklist_sync(alpm_list_t *, alpm_list_t *);
+alpm_list_t *dblist_get_pkglist(alpm_list_t *);
+alpm_list_t *dblist_create(void);
void read_config(const char *);
void init(void);
void cleanup(void);
@@ -45,6 +48,46 @@ die(const char *format, ...)
exit(1);
}
+alpm_list_t *
+pkglist_append(alpm_list_t *pkglist, const char *pkgname)
+{
+ int len = strcspn(pkgname, "<=>");
+ if (!len) len = strlen(pkgname);
+
+ char *s = malloc(len + 1);
+
+ strncpy(s, pkgname, len);
+ s[len] = 0;
+
+ if (alpm_list_find_str(pkglist, s))
+ free(s);
+ else
+ pkglist = alpm_list_add(pkglist, s);
+
+ return pkglist;
+}
+
+alpm_list_t *
+blacklist_get_pkglist()
+{
+ MYSQL_RES *res;
+ MYSQL_ROW row;
+ alpm_list_t *pkglist = NULL;
+
+ if (mysql_query(c, "SELECT Name FROM PackageBlacklist;"))
+ mysql_die("failed to read blacklist from MySQL database: %s\n");
+
+ if (!(res = mysql_store_result(c)))
+ mysql_die("failed to store MySQL result: %s\n");
+
+ while ((row = mysql_fetch_row(res)))
+ pkglist = pkglist_append(pkglist, row[0]);
+
+ mysql_free_result(res);
+
+ return pkglist;
+}
+
void
blacklist_add(const char *name)
{
@@ -52,8 +95,7 @@ blacklist_add(const char *name)
char query[1024];
mysql_real_escape_string(c, esc, name, strlen(name));
- *(esc + strcspn(esc, "<=>")) = 0;
- snprintf(query, 1024, "INSERT IGNORE INTO PackageBlacklist (Name) "
+ snprintf(query, 1024, "INSERT INTO PackageBlacklist (Name) "
"VALUES ('%s');", esc);
free(esc);
@@ -62,9 +104,23 @@ blacklist_add(const char *name)
}
void
-blacklist_sync(alpm_list_t *pkgs)
+blacklist_remove(const char *name)
+{
+ char *esc = malloc(strlen(name) * 2 + 1);
+ char query[1024];
+
+ mysql_real_escape_string(c, esc, name, strlen(name));
+ snprintf(query, 1024, "DELETE FROM PackageBlacklist WHERE Name = '%s';", esc);
+ free(esc);
+
+ if (mysql_query(c, query))
+ mysql_die("failed to query MySQL database (\"%s\"): %s\n", query);
+}
+
+void
+blacklist_sync(alpm_list_t *pkgs_cur, alpm_list_t *pkgs_new)
{
- alpm_list_t *r, *p;
+ alpm_list_t *pkgs_add, *pkgs_rem, *p;
#if MYSQL_USE_TRANSACTIONS
if (mysql_autocommit(c, 0))
@@ -72,30 +128,22 @@ blacklist_sync(alpm_list_t *pkgs)
if (mysql_query(c, "START TRANSACTION;"))
mysql_die("failed to start MySQL transaction: %s\n");
-
- if (mysql_query(c, "TRUNCATE TABLE PackageBlacklist;"))
- mysql_die("failed to truncate MySQL table: %s\n");
#else
if (mysql_query(c, "LOCK TABLES PackageBlacklist WRITE;"))
mysql_die("failed to lock MySQL table: %s\n");
-
- if (mysql_query(c, "DELETE FROM PackageBlacklist;"))
- mysql_die("failed to clear MySQL table: %s\n");
#endif
- for (r = pkgs; r; r = alpm_list_next(r)) {
- pmpkg_t *pkg = alpm_list_getdata(r);
+ pkgs_add = alpm_list_diff(pkgs_new, pkgs_cur, (alpm_list_fn_cmp)strcmp);
+ pkgs_rem = alpm_list_diff(pkgs_cur, pkgs_new, (alpm_list_fn_cmp)strcmp);
- blacklist_add(alpm_pkg_get_name(pkg));
+ for (p = pkgs_add; p; p = alpm_list_next(p))
+ blacklist_add(alpm_list_getdata(p));
- for (p = alpm_pkg_get_provides(pkg); p; p = alpm_list_next(p)) {
- blacklist_add(alpm_list_getdata(p));
- }
+ for (p = pkgs_rem; p; p = alpm_list_next(p))
+ blacklist_remove(alpm_list_getdata(p));
- for (p = alpm_pkg_get_replaces(pkg); p; p = alpm_list_next(p)) {
- blacklist_add(alpm_list_getdata(p));
- }
- }
+ alpm_list_free(pkgs_add);
+ alpm_list_free(pkgs_rem);
#if MYSQL_USE_TRANSACTIONS
if (mysql_query(c, "COMMIT;"))
@@ -107,12 +155,13 @@ blacklist_sync(alpm_list_t *pkgs)
}
alpm_list_t *
-get_package_list(alpm_list_t *dblist)
+dblist_get_pkglist(alpm_list_t *dblist)
{
- alpm_list_t *r, *pkgs = NULL;
+ alpm_list_t *d, *p, *q;
+ alpm_list_t *pkglist = NULL;
- for (r = dblist; r; r = alpm_list_next(r)) {
- pmdb_t *db = alpm_list_getdata(r);
+ for (d = dblist; d; d = alpm_list_next(d)) {
+ pmdb_t *db = alpm_list_getdata(d);
if (alpm_trans_init(0, NULL, NULL, NULL))
alpm_die("failed to initialize ALPM transaction: %s\n");
@@ -121,16 +170,27 @@ get_package_list(alpm_list_t *dblist)
if (alpm_trans_release())
alpm_die("failed to release ALPM transaction: %s\n");
- pkgs = alpm_list_join(pkgs, alpm_list_copy(alpm_db_get_pkgcache(db)));
+ for (p = alpm_db_get_pkgcache(db); p; p = alpm_list_next(p)) {
+ pmpkg_t *pkg = alpm_list_getdata(p);
+
+ pkglist = pkglist_append(pkglist, alpm_pkg_get_name(pkg));
+
+ for (q = alpm_pkg_get_provides(pkg); q; q = alpm_list_next(q))
+ pkglist = pkglist_append(pkglist, alpm_list_getdata(q));
+
+ for (q = alpm_pkg_get_replaces(pkg); q; q = alpm_list_next(q))
+ pkglist = pkglist_append(pkglist, alpm_list_getdata(q));
+ }
}
- return pkgs;
+ return pkglist;
}
alpm_list_t *
-create_db_list(void)
+dblist_create(void)
{
- alpm_list_t *r, *dblist = NULL;
+ alpm_list_t *d;
+ alpm_list_t *dblist = NULL;
int i;
for (i = 0; i < sizeof(alpm_repos) / sizeof(char *); i++) {
@@ -141,8 +201,8 @@ create_db_list(void)
if (!(dblist = alpm_option_get_syncdbs()))
alpm_die("failed to get sync DBs: %s\n");
- for (r = dblist; r; r = alpm_list_next(r)) {
- pmdb_t *db = alpm_list_getdata(r);
+ for (d = dblist; d; d = alpm_list_next(d)) {
+ pmdb_t *db = alpm_list_getdata(d);
char server[1024];
snprintf(server, 1024, ALPM_MIRROR, alpm_db_get_name(db));
@@ -246,13 +306,17 @@ cleanup(void)
int main(int argc, char *argv[])
{
- alpm_list_t *pkgs;
+ alpm_list_t *pkgs_cur, *pkgs_new;
read_config(AUR_CONFIG);
init();
- pkgs = get_package_list(create_db_list());
- blacklist_sync(pkgs);
- alpm_list_free(pkgs);
+
+ pkgs_cur = blacklist_get_pkglist();
+ pkgs_new = dblist_get_pkglist(dblist_create());
+ blacklist_sync(pkgs_cur, pkgs_new);
+ FREELIST(pkgs_new);
+ FREELIST(pkgs_cur);
+
cleanup();
return 0;