Add ALPM_EVENT_TRANSACTION_{START,DONE} events

This provides a way to detect when the processing of package changes starts,
allowing pacman to delineate hook output and package installation/removal
output.

Signed-off-by: Allan McRae <allan@archlinux.org>

2 files changed, 9 insertions, 0 deletions

diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index f8e1f254..8fcdfdfc 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -384,6 +384,10 @@ typedef enum _alpm_event_type_t {
 	ALPM_EVENT_INTERCONFLICTS_START,
 	/** Inter-conflicts were checked for target package. */
 	ALPM_EVENT_INTERCONFLICTS_DONE,
+	/** Processing the package transaction is starting. */
+	ALPM_EVENT_TRANSACTION_START,
+	/** Processing the package transaction is finished. */
+	ALPM_EVENT_TRANSACTION_DONE,
 	/** Package will be installed/upgraded/downgraded/re-installed/removed; See
 	 * alpm_event_package_operation_t for arguments. */
 	ALPM_EVENT_PACKAGE_OPERATION_START,
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c
index 06997a09..5b52049d 100644
--- a/lib/libalpm/trans.c
+++ b/lib/libalpm/trans.c
@@ -160,6 +160,7 @@ int SYMEXPORT alpm_trans_prepare(alpm_handle_t *handle, alpm_list_t **data)
 int SYMEXPORT alpm_trans_commit(alpm_handle_t *handle, alpm_list_t **data)
 {
 	alpm_trans_t *trans;
+	alpm_event_any_t event;
 
 	/* Sanity checks */
 	CHECK_HANDLE(handle, return -1);
@@ -197,6 +198,8 @@ int SYMEXPORT alpm_trans_commit(alpm_handle_t *handle, alpm_list_t **data)
 	trans->state = STATE_COMMITING;
 
 	alpm_logaction(handle, ALPM_CALLER_PREFIX, "transaction started\n");
+	event.type = ALPM_EVENT_TRANSACTION_START;
+	EVENT(handle, &event);
 
 	if(trans->add == NULL) {
 		if(_alpm_remove_packages(handle, 1) == -1) {
@@ -219,6 +222,8 @@ int SYMEXPORT alpm_trans_commit(alpm_handle_t *handle, alpm_list_t **data)
 	if(trans->state == STATE_INTERRUPTED) {
 		alpm_logaction(handle, ALPM_CALLER_PREFIX, "transaction interrupted\n");
 	} else {
+		event.type = ALPM_EVENT_TRANSACTION_DONE;
+		EVENT(handle, &event);
 		alpm_logaction(handle, ALPM_CALLER_PREFIX, "transaction completed\n");
 		_alpm_hook_run(handle, ALPM_HOOK_POST_TRANSACTION);
 	}