open5gs-master: Fix indentation

Use tabs everywhere, as usual with other Dockerfiles (eg.
open5gs-latest).

Change-Id: Ie4e72f484797ada718915e837cd38be574136631

open5gs-master/Dockerfile

@@ -3,56 +3,56 @@ ARG	USER
 ARG	DISTRO
 FROM	$USER/$DISTRO-build
 
-RUN apt-get update && \
-    apt-get upgrade -y && \
-    DEBIAN_FRONTEND=noninteractive \
-    apt-get install -y --no-install-recommends \
-        cmake \
-        vim \
-        sudo \
-        iproute2 \
-        iputils-ping \
-        libcap2-bin \
-        net-tools && \
-    apt-get clean
+RUN	apt-get update && \
+	apt-get upgrade -y && \
+	DEBIAN_FRONTEND=noninteractive \
+	apt-get install -y --no-install-recommends \
+		cmake \
+		vim \
+		sudo \
+		iproute2 \
+		iputils-ping \
+		libcap2-bin \
+		net-tools && \
+	apt-get clean
 
 # create a user
-ARG username=osmocom
-RUN useradd -m ${username} && \
-    echo "${username} ALL=(root) NOPASSWD:ALL" > /etc/sudoers.d/${username} && \
-    chmod 0440 /etc/sudoers.d/${username}
+ARG	username=osmocom
+RUN	useradd -m ${username} && \
+	echo "${username} ALL=(root) NOPASSWD:ALL" > /etc/sudoers.d/${username} && \
+	chmod 0440 /etc/sudoers.d/${username}
 
-WORKDIR /home/${username}
+WORKDIR	/home/${username}
 
 
 # clone open5gs
-ARG GITHUB_USER=open5gs
-ARG GITHUB_REPO=open5gs
-ARG OPEN5GS_BRANCH=main
-RUN git clone https://github.com/$GITHUB_USER/$GITHUB_REPO
+ARG	GITHUB_USER=open5gs
+ARG	GITHUB_REPO=open5gs
+ARG	OPEN5GS_BRANCH=main
+RUN	git clone https://github.com/$GITHUB_USER/$GITHUB_REPO
 
 # install dependencies specified in debian/control (cache them)
-RUN cd $GITHUB_REPO && \
-    git checkout $OPEN5GS_BRANCH && \
-    apt-get build-dep -y .
+RUN	cd $GITHUB_REPO && \
+	git checkout $OPEN5GS_BRANCH && \
+	apt-get build-dep -y .
 
-ADD https://api.github.com/repos/$GITHUB_USER/$GITHUB_REPO/git/refs/heads/$OPEN5GS_BRANCH /root/open5gs-ver.json
+ADD	https://api.github.com/repos/$GITHUB_USER/$GITHUB_REPO/git/refs/heads/$OPEN5GS_BRANCH /root/open5gs-ver.json
 
 # update the source code (if needed)
-RUN cd $GITHUB_REPO && \
-    git fetch && git checkout -f -B $OPEN5GS_BRANCH origin/$OPEN5GS_BRANCH
+RUN	cd $GITHUB_REPO && \
+	git fetch && git checkout -f -B $OPEN5GS_BRANCH origin/$OPEN5GS_BRANCH
 
 # update installed dependencies, install missing (if any)
-RUN cd $GITHUB_REPO && \
-    apt-get build-dep -y .
+RUN	cd $GITHUB_REPO && \
+	apt-get build-dep -y .
 
 # build + install open5gs
-RUN cd $GITHUB_REPO && \
-    meson build \
-        --prefix=/usr \
-        --sysconfdir=/etc \
-        --localstatedir=/var \
-        --libdir=lib/x86_64-linux-gnu \
-        --libexecdir=lib/x86_64-linux-gnu && \
-    meson configure build && \
-    ninja -C build install
+RUN	cd $GITHUB_REPO && \
+	meson build \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+		--localstatedir=/var \
+		--libdir=lib/x86_64-linux-gnu \
+		--libexecdir=lib/x86_64-linux-gnu && \
+	meson configure build && \
+	ninja -C build install