cmd-build: Silence ostree rev-parse

Makes for a scary message otherwise in the `ENOENT` case.
coreos · Oct 31, 2018 · 70feb1d · 70feb1d
1 parent 773b59a
commit 70feb1d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/cmd-build b/src/cmd-build
@@ -69,7 +69,7 @@ fi
 
 previous_commit=
 if [ -n "${ref:-}" ]; then
-    previous_commit=$(ostree --repo=${workdir}/repo rev-parse ${ref} || true)
+    previous_commit=$(ostree --repo=${workdir}/repo rev-parse ${ref} 2>/dev/null || true)
 fi
 # If the ref was unset or missing, look at the previous build
 if [ -z "${previous_commit}" ] && [ -n "${previous_build}" ]; then