Add git lfs support

Author: laurent-verbruggen-at-kbc

Dockerfile

@@ -11,5 +11,8 @@ RUN apk --update add \
 RUN git config --global user.email "git@localhost" && \
     git config --global user.name "git"
 
+ADD scripts/install_git_lfs.sh install_git_lfs.sh
+RUN ./install_git_lfs.sh
+
 ADD assets/ /opt/resource/
 RUN chmod +x /opt/resource/*

scripts/install_git_lfs.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+set -eu
+
+_main() {
+  local tmpdir
+  tmpdir="$(mktemp -d git_lfs_install.XXXXXX)"
+
+  cd "$tmpdir"
+  curl -Lo git.tar.gz https://github.com/github/git-lfs/releases/download/v1.1.2/git-lfs-linux-amd64-1.1.2.tar.gz
+  gunzip git.tar.gz
+  tar xf git.tar
+  mv git-lfs-1.1.2/git-lfs /usr/bin
+  cd ..
+  rm -rf "$tmpdir"
+  git lfs install --skip-smudge
+}
+
+_main "$@"