From 2f8ce018523f2b40365f43e5869b3587c022e033 Mon Sep 17 00:00:00 2001
From: Firefly Team <service@t-firefly.com>
Date: Sun, 23 Jun 2019 11:32:59 +0800
Subject: [PATCH] Docker: override stty size in container (#1420)

With some docker CLI version, `stty size` in the container will return `0 0`,
which causes `dialog` to fail. This commit fixes that by setting the actual
terminal size.

For more infor, see:

  https://github.com/docker/for-linux/issues/314
---
 config-docker.conf | 2 ++
 lib/main.sh        | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/config-docker.conf b/config-docker.conf
index 868c7dedb2..aab4f71030 100644
--- a/config-docker.conf
+++ b/config-docker.conf
@@ -77,6 +77,8 @@ DOCKER_FLAGS+=(-v=$SRC/:/root/armbian/)
 # mount 2 named volumes - for cacheable data and compiler cache
 DOCKER_FLAGS+=(-v=armbian-cache:/root/armbian/cache -v=armbian-ccache:/root/.ccache)
 
+DOCKER_FLAGS+=(-e COLUMNS="`tput cols`" -e LINES="`tput lines`")
+
 # pass other command line arguments like KERNEL_ONLY=yes, KERNEL_CONFIGURE=yes, etc.
 # pass "docker-guest" as an additional config name that will be sourced in the container if exists
 display_alert "Running the container" "" "info"
diff --git a/lib/main.sh b/lib/main.sh
index c629d641f1..e066ecfeab 100644
--- a/lib/main.sh
+++ b/lib/main.sh
@@ -26,6 +26,10 @@ umask 002
 # destination
 DEST=$SRC/output
 
+# override stty size
+[[ -n $COLUMNS ]] && stty cols $COLUMNS
+[[ -n $LINES ]] && stty rows $LINES
+
 TTY_X=$(($(stty size | awk '{print $2}')-6)) 			# determine terminal width
 TTY_Y=$(($(stty size | awk '{print $1}')-6)) 			# determine terminal height