[leafnode-list] [PATCH] fix(Sourcehut CI): make the pipeline fail when dpkg-buildflags does.

[Matěj Cepl]

The previous version of the command ignored failing
dpkg-buildflags (or even if the program was missing).

References: https://gitlab.com/leafnode-2/leafnode-2/-/merge_requests/6#note_2469407294
---
 .build.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.build.yml b/.build.yml
index eebffdf..8934206 100644
--- a/.build.yml
+++ b/.build.yml
@@ -28,7 +28,7 @@ tasks:
           --with-spooldir=/var/spool/news \
           --sysconfdir=/etc/news/leafnode \
           --disable-silent-rules
-      eval "$(dpkg-buildflags --export=sh)" && make
+      cmd="$(dpkg-buildflags --export=sh)" && eval "$cmd" && make
       make README README.html
       make FAQ.html
   - test: |
@@ -37,4 +37,4 @@ tasks:
       ./configure \
           --build=${DEB_BUILD_GNU_TYPE} \
           --host=${DEB_HOST_GNU_TYPE}
-      eval "$(dpkg-buildflags --export=sh)" && make check
+      cmd="$(dpkg-buildflags --export=sh)" && eval "$cmd" && make check
-- 
2.49.0