[build]: setup -t option in docker run correctly (sonic-net#6320)

use bash -t test flag to check if input device is tty or not Signed-off-by: Guohan Lu <lguohan@gmail.com>
lguohan · Jan 20, 2021 · dd62584 · dd62584
1 parent ccec723
commit dd62584
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Makefile.work b/Makefile.work
@@ -80,7 +80,7 @@ DOCKER_RUN := docker run --rm=true --privileged \
     -w $(DOCKER_BUILDER_WORKDIR) \
     -e "http_proxy=$(http_proxy)" \
     -e "https_proxy=$(https_proxy)" \
-    -i$(if $(TERM),t,)
+    -i$(shell { if [ -t 0 ]; then echo t; fi })
 
 include rules/config