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-rw-r--r--lib/libalpm/add.c64
-rw-r--r--lib/libalpm/alpm.h2
2 files changed, 66 insertions, 0 deletions
diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c
index d4c56def..a1216d9b 100644
--- a/lib/libalpm/add.c
+++ b/lib/libalpm/add.c
@@ -49,6 +49,70 @@
#include "remove.h"
#include "handle.h"
+/** Add a package to the transaction.
+ * @param pkg the package to add
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
+int SYMEXPORT alpm_add_pkg(pmpkg_t *pkg)
+{
+ const char *pkgname, *pkgver;
+ pmtrans_t *trans;
+ pmdb_t *db_local;
+ pmpkg_t *local;
+
+ ALPM_LOG_FUNC;
+
+ /* Sanity checks */
+ ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
+ trans = handle->trans;
+ ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
+ ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
+ ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
+ db_local = handle->db_local;
+
+ pkgname = alpm_pkg_get_name(pkg);
+ pkgver = alpm_pkg_get_version(pkg);
+
+ _alpm_log(PM_LOG_DEBUG, "adding package '%s'\n", pkgname);
+
+ if(_alpm_pkg_find(trans->add, pkgname)) {
+ RET_ERR(PM_ERR_TRANS_DUP_TARGET, -1);
+ }
+
+ local = _alpm_db_get_pkgfromcache(db_local, pkgname);
+ if(local) {
+ const char *localpkgname = alpm_pkg_get_name(local);
+ const char *localpkgver = alpm_pkg_get_version(local);
+ int cmp = _alpm_pkg_compare_versions(pkg, local);
+
+ if(cmp == 0) {
+ if(trans->flags & PM_TRANS_FLAG_NEEDED) {
+ /* with the NEEDED flag, packages up to date are not reinstalled */
+ _alpm_log(PM_LOG_WARNING, _("%s-%s is up to date -- skipping\n"),
+ localpkgname, localpkgver);
+ return(0);
+ } else {
+ _alpm_log(PM_LOG_WARNING, _("%s-%s is up to date -- reinstalling\n"),
+ localpkgname, localpkgver);
+ }
+ } else if(cmp < 0) {
+ /* local version is newer */
+ _alpm_log(PM_LOG_WARNING, _("downgrading package %s (%s => %s)\n"),
+ localpkgname, localpkgver, pkgver);
+ }
+ }
+
+ /* add the package to the transaction */
+ pkg->reason = PM_PKG_REASON_EXPLICIT;
+ _alpm_log(PM_LOG_DEBUG, "adding package %s-%s to the transaction targets\n",
+ pkgname, pkgver);
+ trans->add = alpm_list_add(trans->add, pkg);
+
+ return(0);
+}
+
+
/** Add a file target to the transaction.
* @param target the name of the file target to add
* @return 0 on success, -1 on error (pm_errno is set accordingly)
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index e33aab24..2f52f075 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -423,6 +423,8 @@ int alpm_sync_dbtarget(const char *db, const char *target);
int alpm_add_target(const char *target);
int alpm_remove_target(const char *target);
+int alpm_add_pkg(pmpkg_t *pkg);
+
/*
* Dependencies and conflicts
*/