From b1c14cb5ee07a20cb8e1f35ca26f3400e4349a38 Mon Sep 17 00:00:00 2001
From: kasper3 <33230602+kasper3@users.noreply.github.com>
Date: Tue, 2 Jan 2018 23:04:56 +0200
Subject: [PATCH 1/2] Check if tput command exists before using it

Fix #8311

@eerhardt
---
 scripts/obtain/dotnet-install.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/obtain/dotnet-install.sh b/scripts/obtain/dotnet-install.sh
index b65fcddec..412f299c0 100755
--- a/scripts/obtain/dotnet-install.sh
+++ b/scripts/obtain/dotnet-install.sh
@@ -22,7 +22,7 @@ exec 3>&1
 
 # Setup some colors to use. These need to work in fairly limited shells, like the Ubuntu Docker container where there are only 8 colors.
 # See if stdout is a terminal
-if [ -t 1 ]; then
+if [ -t 1 ] && command -v tput > /dev/null; then
     # see if it supports colors
     ncolors=$(tput colors)
     if [ -n "$ncolors" ] && [ $ncolors -ge 8 ]; then

From a30c6a45fb3f75573e49a78dc52ceddc9626b8bf Mon Sep 17 00:00:00 2001
From: kasper3 <33230602+kasper3@users.noreply.github.com>
Date: Tue, 2 Jan 2018 23:13:54 +0200
Subject: [PATCH 2/2] Remove ncurses dependency

---
 scripts/docker/alpine.3.6/Dockerfile | 2 --
 1 file changed, 2 deletions(-)

diff --git a/scripts/docker/alpine.3.6/Dockerfile b/scripts/docker/alpine.3.6/Dockerfile
index 826a5f4ba..746f1bd4b 100644
--- a/scripts/docker/alpine.3.6/Dockerfile
+++ b/scripts/docker/alpine.3.6/Dockerfile
@@ -6,8 +6,6 @@
 # Dockerfile that creates a container suitable to build dotnet-cli
 FROM microsoft/dotnet-buildtools-prereqs:alpine-3.6-3148f11-20171119021156
 
-RUN apk add --no-cache sudo ncurses
-
 # This Dockerfile doesn't use the USER_ID, but the parameter needs to be declared to prevent docker
 # from issuing a warning
 ARG USER_ID=0