From 0ff3d1de33af34c45cb2f18adf831cf51b367904 Mon Sep 17 00:00:00 2001
From: Colin Walters <walters@verbum.org>
Date: Thu, 1 Jan 2015 21:13:17 -0500
Subject: [PATCH] [libhif] Exit again on SIGINT/SIGTERM

A major (if not the biggest) point of this endeavor is to support
atomic/idempotent operation.
---
 src/rpmostree-compose-builtin-tree.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/rpmostree-compose-builtin-tree.c b/src/rpmostree-compose-builtin-tree.c
index 1775a1bd..927974d8 100644
--- a/src/rpmostree-compose-builtin-tree.c
+++ b/src/rpmostree-compose-builtin-tree.c
@@ -160,6 +160,12 @@ install_packages_in_root (RpmOstreeTreeComposeContext  *self,
   if (!hif_context_setup (hifctx, cancellable, error))
     goto out;
 
+  /* Forcibly override rpm/librepo SIGINT handlers.  We always operate
+   * in a fully idempotent/atomic mode, and can be killed at any time.
+   */
+  signal (SIGINT, SIG_DFL);
+  signal (SIGTERM, SIG_DFL);
+
   /* Bind the json \"repos\" member to the hif state, which looks at the
    * enabled= member of the repos file.  By default we forcibly enable
    * only repos which are specified, ignoring the enabled= flag.