Initial docker support (#55)

* Dockerfile which allows full build on ubuntu
* No cross-compile yet
* Fixed build scripts bug found with docker

Signed-off-by: Dolf Starreveld <dolf@starreveld.com>

scripts/script-functions.sh

@@ -82,7 +82,7 @@ catPrefix()
 
 mkdir_moonfire()
 {
-	sudo -u ${NVR_USER} -H mkdir "$@"
+	sudo -u "${NVR_USER}" -H mkdir "$@"
 }
 
 echo_multi()
@@ -342,7 +342,8 @@ prep_moonfire_user()
 			--ingroup "${NVR_GROUP}" --home "${NVR_HOME}"
 	fi
 	if [ ! -d "${NVR_HOME}" ]; then
-		mkdir_moonfire "${NVR_HOME}"
+		sudo mkdir "${NVR_HOME}"
+		sudo chown "${NVR_USER}:${NVR_GROUP}"  "${NVR_HOME}"
 	fi
 	sudo chown ${NVR_USER}:${NVR_GROUP} "${NVR_HOME}"
 }

scripts/setup-ubuntu.sh

@@ -35,6 +35,7 @@
 
 initEnvironmentVars
 makePrepConfig
+export DEBIAN_FRONTEND=noninteractive
 
 
 # Process command line options
@@ -119,9 +120,9 @@ if ! versionAtLeast "$ffv" "$FFMPEG_MIN_VERSION"; then
 		echo_info -x "Fetching FFmpeg source..."
 		git clone --depth 1 -b "release/${FFMPEG_RELEASE_VERSION}" https://github.com/FFmpeg/FFmpeg.git
 		cd FFmpeg
-		pt=`uname -p 2>& /dev/null`
+		pt=`uname -p 2>/dev/null`
 		if [ -z "${pt##*86*}" ]; then
-			sudo apt-get install -y yasm
+			DEBIAN_FRONTEND=noninteractive sudo apt-get install -y yasm
 		fi
 		./configure --enable-shared
 		make