From: Colin Walters <walters@verbum.org>
Date: Thu, 12 Oct 2017 10:46:25 -0400
Subject: lib/deltas: Check cancellable during processing

Let's react to `Ctrl-C` faster here. Noticed while I was doing an update on my
desktop and playing with cancellation.

Closes: #1266
Approved by: jlebon
Origin: upstream, 2017.13, commit:a1986b1a8083ef4f840973f1c73d932a52e43644
---
 src/libostree/ostree-repo-static-delta-processing.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libostree/ostree-repo-static-delta-processing.c b/src/libostree/ostree-repo-static-delta-processing.c
index 844de2c..78bf7e1 100644
--- a/src/libostree/ostree-repo-static-delta-processing.c
+++ b/src/libostree/ostree-repo-static-delta-processing.c
@@ -229,6 +229,9 @@ _ostree_static_delta_part_execute (OstreeRepo      *repo,
       state->oplen--;
       state->opdata++;
 
+      if (g_cancellable_set_error_if_cancelled (cancellable, error))
+        goto out;
+
       switch (opcode)
         {
         case OSTREE_STATIC_DELTA_OP_OPEN_SPLICE_AND_CLOSE: