This incorporates Tomi's patch of 

     id:1480367228-22183-1-git-send-email-tomi.ollila@iki.fi

verbatim, to sort out conflicts.

It fixes the issues I alread sent mail about, and puts back the --keep
tests for various error codes.

The interdiff follows; most of it is Tomi's fault :).

diff --git a/notmuch-insert.c b/notmuch-insert.c
index a152f15..bc96af0 100644
--- a/notmuch-insert.c
+++ b/notmuch-insert.c
@@ -541,7 +541,7 @@ notmuch_insert_command (notmuch_config_t *config, int argc, char *argv[])
     status = notmuch_database_open (notmuch_config_get_database_path (config),
 				    NOTMUCH_DATABASE_MODE_READ_WRITE, &notmuch);
     if (status)
-	return status_to_exit(status);
+	return keep ? NOTMUCH_STATUS_SUCCESS : status_to_exit (status);
 
     notmuch_exit_if_unmatched_db_uuid (notmuch);
 
@@ -578,5 +578,5 @@ notmuch_insert_command (notmuch_config_t *config, int argc, char *argv[])
 	notmuch_run_hook (db_path, "post-insert");
     }
 
-    return status ? status_to_exit(status) : EXIT_SUCCESS;
+    return status_to_exit (status);
 }
diff --git a/test/T070-insert.sh b/test/T070-insert.sh
index fd620e5..3e7d582 100755
--- a/test/T070-insert.sh
+++ b/test/T070-insert.sh
@@ -206,14 +206,24 @@ gen_insert_msg
 
 for code in  FILE_NOT_EMAIL READ_ONLY_DATABASE UPGRADE_REQUIRED PATH_ERROR; do
     test_expect_code 1 "EXIT_FAILURE when add_message returns $code" \
-	"gdb --batch-silent --return-child-result -x index-file-$code.gdb \
-	     --args notmuch insert  < $gen_msg_filename"
+         "gdb --batch-silent --return-child-result \
+	     -ex \"set args insert < $gen_msg_filename\" \
+	     -x index-file-$code.gdb notmuch"
+    test_expect_code 0 "success exit with --keep when add_message returns $code" \
+         "gdb --batch-silent --return-child-result \
+	     -ex \"set args insert --keep < $gen_msg_filename\" \
+	     -x index-file-$code.gdb notmuch"
 done
 
 for code in OUT_OF_MEMORY XAPIAN_EXCEPTION ; do
     test_expect_code 75 "EX_TEMPFAIL when add_message returns $code" \
-	"gdb --batch-silent --return-child-result -x index-file-$code.gdb \
-	     --args notmuch insert  < $gen_msg_filename"
+         "gdb --batch-silent --return-child-result \
+	     -ex \"set args insert < $gen_msg_filename\" \
+	     -x index-file-$code.gdb notmuch"
+    test_expect_code 0 "success exit with --keep when add_message returns $code" \
+         "gdb --batch-silent --return-child-result \
+	     -ex \"set args insert --keep < $gen_msg_filename\" \
+	     -x index-file-$code.gdb notmuch"
 done
 
 test_done