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authorTravis Willard <travis@archlinux.org>2007-08-26 22:42:17 -0400
committerDan McGee <dan@archlinux.org>2007-08-26 23:44:32 -0400
commitb6f89f03afcb6e1e6aa5d1c437db1df54a4baaca (patch)
treedf847f105f3ae1d830250370ca9dbdf503905c58
parent26441cf65ca10d4bf218203df5db5e8a7270787b (diff)
separate local from sync dbs on filesystem
Introduce two new methods into the API - alpm_db_register_sync and alpm_db_register_local, which replace the functionality of alpm_db_register. db_register_local always returns the local DB, and db_register_sync will always try to register a sync DB. This conceptually separates the local DB from sync DBs in the code. Also updated the pacman frontend to use the new functions. In addition, this changes the location of all sync DBs in the filesystem from $DBPATH/$REPO to $DBPATH/sync/$REPO, This removes the silly limitation that a sync DB couldn't be named 'local', along with structurally separating sync DBs and the local DB in the filesystem. Signed-off-by: Travis Willard <travis@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
-rw-r--r--lib/libalpm/alpm.h6
-rw-r--r--lib/libalpm/db.c117
-rw-r--r--lib/libalpm/db.h3
-rw-r--r--src/pacman/pacman.c10
4 files changed, 90 insertions, 46 deletions
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index 844d9bf2..a3772a05 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -31,6 +31,8 @@ extern "C" {
#include <time.h> /* for time_t */
#include <stdarg.h> /* for va_list */
+#define DEPRECATED __attribute__((deprecated))
+
/*
* Arch Linux Package Management library
*/
@@ -143,7 +145,9 @@ alpm_list_t *alpm_option_get_syncdbs();
* Databases
*/
-pmdb_t *alpm_db_register(const char *treename);
+/* Preferred interfaces db_register_local and db_register_sync */
+pmdb_t *alpm_db_register_local(void);
+pmdb_t *alpm_db_register_sync(const char *treename);
int alpm_db_unregister(pmdb_t *db);
int alpm_db_unregister_all(void);
diff --git a/lib/libalpm/db.c b/lib/libalpm/db.c
index e79aad89..86165066 100644
--- a/lib/libalpm/db.c
+++ b/lib/libalpm/db.c
@@ -53,11 +53,11 @@
* @{
*/
-/** Register a package database
- * @param treename the name of the repository
+/** Register a sync database of packages.
+ * @param treename the name of the sync repository
* @return a pmdb_t* on success (the value), NULL on error
*/
-pmdb_t SYMEXPORT *alpm_db_register(const char *treename)
+pmdb_t SYMEXPORT *alpm_db_register_sync(const char *treename)
{
ALPM_LOG_FUNC;
@@ -67,7 +67,22 @@ pmdb_t SYMEXPORT *alpm_db_register(const char *treename)
/* Do not register a database if a transaction is on-going */
ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, NULL));
- return(_alpm_db_register(treename));
+ return(_alpm_db_register_sync(treename));
+}
+
+/** Register the local package database.
+ * @return a pmdb_t* representing the local database, or NULL on error
+ */
+pmdb_t SYMEXPORT *alpm_db_register_local(void)
+{
+ ALPM_LOG_FUNC;
+
+ /* Sanity checks */
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, NULL));
+ /* Do not register a database if a transaction is on-going */
+ ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, NULL));
+
+ return(_alpm_db_register_local());
}
/* Helper function for alpm_db_unregister{_all} */
@@ -161,6 +176,7 @@ int SYMEXPORT alpm_db_unregister(pmdb_t *db)
*/
int SYMEXPORT alpm_db_setserver(pmdb_t *db, const char *url)
{
+ alpm_list_t *i;
int found = 0;
ALPM_LOG_FUNC;
@@ -168,18 +184,11 @@ int SYMEXPORT alpm_db_setserver(pmdb_t *db, const char *url)
/* Sanity checks */
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
- if(strcmp(db->treename, "local") == 0) {
- if(handle->db_local != NULL) {
+ for(i = handle->dbs_sync; i && !found; i = i->next) {
+ pmdb_t *sdb = i->data;
+ if(strcmp(db->treename, sdb->treename) == 0) {
found = 1;
}
- } else {
- alpm_list_t *i;
- for(i = handle->dbs_sync; i && !found; i = i->next) {
- pmdb_t *sdb = i->data;
- if(strcmp(db->treename, sdb->treename) == 0) {
- found = 1;
- }
- }
}
if(!found) {
RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
@@ -690,7 +699,7 @@ alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles)
return(ret);
}
-pmdb_t *_alpm_db_register(const char *treename)
+pmdb_t *_alpm_db_register_local(void)
{
struct stat buf;
pmdb_t *db;
@@ -699,23 +708,63 @@ pmdb_t *_alpm_db_register(const char *treename)
ALPM_LOG_FUNC;
- if(strcmp(treename, "local") == 0) {
- if(handle->db_local != NULL) {
- _alpm_log(PM_LOG_WARNING, _("attempt to re-register the 'local' DB\n"));
- RET_ERR(PM_ERR_DB_NOT_NULL, NULL);
+ if(handle->db_local != NULL) {
+ _alpm_log(PM_LOG_WARNING, _("attempt to re-register the 'local' DB\n"));
+ RET_ERR(PM_ERR_DB_NOT_NULL, NULL);
+ }
+
+ _alpm_log(PM_LOG_DEBUG, "registering local database\n");
+
+ /* make sure the database directory exists */
+ dbpath = alpm_option_get_dbpath();
+ if(!dbpath) {
+ _alpm_log(PM_LOG_WARNING, _("database path is undefined\n"));
+ RET_ERR(PM_ERR_DB_OPEN, NULL);
+ }
+ snprintf(path, PATH_MAX, "%slocal", dbpath);
+ /* TODO this is rediculous, we try to do this even if we can't */
+ if(stat(path, &buf) != 0 || !S_ISDIR(buf.st_mode)) {
+ _alpm_log(PM_LOG_DEBUG, "database dir '%s' does not exist, creating it\n",
+ path);
+ if(_alpm_makepath(path) != 0) {
+ RET_ERR(PM_ERR_SYSTEM, NULL);
}
- } else {
- alpm_list_t *i;
- for(i = handle->dbs_sync; i; i = i->next) {
- pmdb_t *sdb = i->data;
- if(strcmp(treename, sdb->treename) == 0) {
- _alpm_log(PM_LOG_DEBUG, "attempt to re-register the '%s' database, using existing\n", sdb->treename);
- return sdb;
- }
+ }
+
+ db = _alpm_db_new(dbpath, "local");
+ if(db == NULL) {
+ RET_ERR(PM_ERR_DB_CREATE, NULL);
+ }
+
+ _alpm_log(PM_LOG_DEBUG, "opening database '%s'\n", db->treename);
+ if(_alpm_db_open(db) == -1) {
+ _alpm_db_free(db);
+ RET_ERR(PM_ERR_DB_OPEN, NULL);
+ }
+
+ handle->db_local = db;
+ return(db);
+}
+
+pmdb_t *_alpm_db_register_sync(const char *treename)
+{
+ struct stat buf;
+ pmdb_t *db;
+ const char *dbpath;
+ char path[PATH_MAX];
+ alpm_list_t *i;
+
+ ALPM_LOG_FUNC;
+
+ for(i = handle->dbs_sync; i; i = i->next) {
+ pmdb_t *sdb = i->data;
+ if(strcmp(treename, sdb->treename) == 0) {
+ _alpm_log(PM_LOG_DEBUG, "attempt to re-register the '%s' database, using existing\n", sdb->treename);
+ return sdb;
}
}
-
- _alpm_log(PM_LOG_DEBUG, "registering database '%s'\n", treename);
+
+ _alpm_log(PM_LOG_DEBUG, "registering sync database '%s'\n", treename);
/* make sure the database directory exists */
dbpath = alpm_option_get_dbpath();
@@ -723,7 +772,8 @@ pmdb_t *_alpm_db_register(const char *treename)
_alpm_log(PM_LOG_WARNING, _("database path is undefined\n"));
RET_ERR(PM_ERR_DB_OPEN, NULL);
}
- snprintf(path, PATH_MAX, "%s%s", dbpath, treename);
+ /* all sync DBs now reside in the sync/ subdir of the dbpath */
+ snprintf(path, PATH_MAX, "%ssync/%s", dbpath, treename);
/* TODO this is rediculous, we try to do this even if we can't */
if(stat(path, &buf) != 0 || !S_ISDIR(buf.st_mode)) {
_alpm_log(PM_LOG_DEBUG, "database dir '%s' does not exist, creating it\n",
@@ -744,12 +794,7 @@ pmdb_t *_alpm_db_register(const char *treename)
RET_ERR(PM_ERR_DB_OPEN, NULL);
}
- if(strcmp(treename, "local") == 0) {
- handle->db_local = db;
- } else {
- handle->dbs_sync = alpm_list_add(handle->dbs_sync, db);
- }
-
+ handle->dbs_sync = alpm_list_add(handle->dbs_sync, db);
return(db);
}
diff --git a/lib/libalpm/db.h b/lib/libalpm/db.h
index 2597c8c4..15cc4c4c 100644
--- a/lib/libalpm/db.h
+++ b/lib/libalpm/db.h
@@ -52,7 +52,8 @@ pmdb_t *_alpm_db_new(const char *dbpath, const char *treename);
void _alpm_db_free(pmdb_t *db);
int _alpm_db_cmp(const void *db1, const void *db2);
alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles);
-pmdb_t *_alpm_db_register(const char *treename);
+pmdb_t *_alpm_db_register_local(void);
+pmdb_t *_alpm_db_register_sync(const char *treename);
/* be.c, backend specific calls */
int _alpm_db_install(pmdb_t *db, const char *dbfile);
diff --git a/src/pacman/pacman.c b/src/pacman/pacman.c
index fef6d38e..f62e588b 100644
--- a/src/pacman/pacman.c
+++ b/src/pacman/pacman.c
@@ -495,15 +495,9 @@ static int _parseconfig(const char *file, const char *givensection,
file, linenum);
return(1);
}
- /* a section/database named local is not allowed */
- if(!strcmp(section, "local")) {
- pm_printf(PM_LOG_ERROR, _("config file %s, line %d: 'local' cannot be used as section name.\n"),
- file, linenum);
- return(1);
- }
/* if we are not looking at the options section, register a db */
if(strcmp(section, "options") != 0) {
- db = alpm_db_register(section);
+ db = alpm_db_register_sync(section);
}
} else {
/* directive */
@@ -815,7 +809,7 @@ int main(int argc, char *argv[])
}
/* Opening local database */
- db_local = alpm_db_register("local");
+ db_local = alpm_db_register_local();
if(db_local == NULL) {
pm_printf(PM_LOG_ERROR, _("could not register 'local' database (%s)\n"),
alpm_strerror(pm_errno));