sync_commit can now return conflicting files with a trans_prepare like data structure (patch from VMiklos <vmiklos@frugalware.org>)

lib/libalpm/alpm.c

@@ -619,7 +619,7 @@ int alpm_trans_prepare(PMList **data)
 	return(trans_prepare(handle->trans, data));
 }
 
-int alpm_trans_commit()
+int alpm_trans_commit(PMList **data)
 {
 	pmtrans_t *trans;
 
@@ -633,7 +633,7 @@ int alpm_trans_commit()
 	/* Check for database R/W permission */
 	ASSERT(handle->access == PM_ACCESS_RW, RET_ERR(PM_ERR_BADPERMS, -1));
 
-	return(trans_commit(handle->trans));
+	return(trans_commit(handle->trans, data));
 }
 
 int alpm_trans_release()

lib/libalpm/alpm.h

@@ -262,7 +262,7 @@ int alpm_trans_init(unsigned char type, unsigned char flags, alpm_trans_cb_event
 int alpm_trans_sysupgrade(void);
 int alpm_trans_addtarget(char *target);
 int alpm_trans_prepare(PM_LIST **data);
-int alpm_trans_commit(void);
+int alpm_trans_commit(PM_LIST **data);
 int alpm_trans_release(void);
 
 /*

lib/libalpm/sync.c

@@ -616,10 +616,9 @@ error:
 	return(-1);
 }
 
-int sync_commit(pmtrans_t *trans, pmdb_t *db_local)
+int sync_commit(pmtrans_t *trans, pmdb_t *db_local, PMList **data)
 {
 	PMList *i;
-	PMList *data;
 	pmtrans_t *tr = NULL;
 	int replaces = 0;
 	int removal = 0;
@@ -665,13 +664,13 @@ int sync_commit(pmtrans_t *trans, pmdb_t *db_local)
 	}
 	if(replaces+removal != 0) {
 		_alpm_log(PM_LOG_FLOW1, "removing conflicting and to-be-replaced packages");
-		if(trans_prepare(tr, &data) == -1) {
+		if(trans_prepare(tr, data) == -1) {
 			_alpm_log(PM_LOG_ERROR, "could not prepare removal transaction");
 			goto error;
 		}
 		/* we want the frontend to be aware of commit details */
 		tr->cb_event = trans->cb_event;
-		if(trans_commit(tr) == -1) {
+		if(trans_commit(tr, NULL) == -1) {
 			_alpm_log(PM_LOG_ERROR, "could not commit removal transaction");
 			goto error;
 		}
@@ -709,13 +708,13 @@ int sync_commit(pmtrans_t *trans, pmdb_t *db_local)
 			spkg->reason = PM_PKG_REASON_EXPLICIT;
 		}
 	}
-	if(trans_prepare(tr, &data) == -1) {
+	if(trans_prepare(tr, data) == -1) {
 		_alpm_log(PM_LOG_ERROR, "could not prepare transaction");
 		goto error;
 	}
 	/* we want the frontend to be aware of commit details */
 	tr->cb_event = trans->cb_event;
-	if(trans_commit(tr) == -1) {
+	if(trans_commit(tr, NULL) == -1) {
 		_alpm_log(PM_LOG_ERROR, "could not commit transaction");
 		goto error;
 	}

lib/libalpm/sync.h

@@ -41,7 +41,7 @@ PMList *sync_load_dbarchive(char *archive);
 int sync_sysupgrade(pmtrans_t *trans, pmdb_t *db_local, PMList *dbs_sync);
 int sync_addtarget(pmtrans_t *trans, pmdb_t *db_local, PMList *dbs_sync, char *name);
 int sync_prepare(pmtrans_t *trans, pmdb_t *db_local, PMList *dbs_sync, PMList **data);
-int sync_commit(pmtrans_t *trans, pmdb_t *db_local);
+int sync_commit(pmtrans_t *trans, pmdb_t *db_local, PMList **data);
 
 #endif /* _ALPM_SYNC_H */
 

lib/libalpm/trans.c

@@ -179,7 +179,7 @@ int trans_prepare(pmtrans_t *trans, PMList **data)
 	return(0);
 }
 
-int trans_commit(pmtrans_t *trans)
+int trans_commit(pmtrans_t *trans, PMList **data)
 {
 	/* Sanity checks */
 	ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
@@ -204,7 +204,7 @@ int trans_commit(pmtrans_t *trans)
 			}
 		break;
 		case PM_TRANS_TYPE_SYNC:
-			if(sync_commit(trans, handle->db_local) == -1) {
+			if(sync_commit(trans, handle->db_local, data) == -1) {
 				/* pm_errno is set by sync_commit() */
 				return(-1);
 			}

lib/libalpm/trans.h

@@ -67,7 +67,7 @@ int trans_init(pmtrans_t *trans, unsigned char type, unsigned char flags, alpm_t
 int trans_sysupgrade(pmtrans_t *trans);
 int trans_addtarget(pmtrans_t *trans, char *target);
 int trans_prepare(pmtrans_t *trans, PMList **data);
-int trans_commit(pmtrans_t *trans);
+int trans_commit(pmtrans_t *trans, PMList **data);
 
 #endif /* _ALPM_TRANS_H */
 

src/pacman/add.c

@@ -122,7 +122,7 @@ int pacman_add(list_t *targets)
 
 	/* Step 3: actually perform the installation
 	 */
-	if(alpm_trans_commit() == -1) {
+	if(alpm_trans_commit(NULL) == -1) {
 		ERR(NL, "failed to commit transaction (%s)\n", alpm_strerror(pm_errno));
 		return(1);
 	}

src/pacman/pacman.c

@@ -89,7 +89,7 @@ int main(int argc, char *argv[])
 		return(1);
 	}
 	config->op = PM_OP_MAIN;
-	config->debug |= PM_LOG_WARNING | PM_LOG_ERROR;
+	config->debug |= PM_LOG_WARNING;
 
 	/* parse the command line */
 	ret = parseargs(argc, argv);

src/pacman/remove.c

@@ -126,7 +126,7 @@ int pacman_remove(list_t *targets)
 
 	/* Step 3: actually perform the removal
 	 */
-	if(alpm_trans_commit() == -1) {
+	if(alpm_trans_commit(NULL) == -1) {
 		ERR(NL, "failed to commit transaction (%s)\n", alpm_strerror(pm_errno));
 		goto error;
 	}

src/pacman/sync.c

@@ -756,8 +756,19 @@ int pacman_sync(list_t *targets)
 	}
 
 	/* Step 3: actually perform the installation */
-	if(alpm_trans_commit() == -1) {
+	if(alpm_trans_commit(&data) == -1) {
 		ERR(NL, "failed to commit transaction (%s)\n", alpm_strerror(pm_errno));
+		switch(pm_errno) {
+			case PM_ERR_FILE_CONFLICTS:
+				for(lp = alpm_list_first(data); lp; lp = alpm_list_next(lp)) {
+					MSG(NL, ":: %s\n", (char *)alpm_list_getdata(lp));
+				}
+				alpm_list_free(data);
+				MSG(NL, "\nerrors occurred, no packages were upgraded.\n");
+			break;
+			default:
+			break;
+		}
 		retval = 1;
 		goto cleanup;
 	}