Initial not working

Dockerfile

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+FROM alpine:3.8 as sdk-download
+
+COPY fetch-sdk.sh .
+RUN ./fetch-sdk.sh
+
+COPY fetch-repo.sh .
+RUN ./fetch-repo.sh
+
+FROM scratch as sdk
+
+COPY --from=sdk-download /sdk /
+ENV PATH=$PATH:/opt/depot_tools
+
+# fix permissions
+RUN chmod +s /usr/bin/sudo
+RUN mkdir -p /chromiumos
+RUN chown -R chronos:chronos /chromiumos
+RUN chown -R chronos:chronos /home/chronos
+
+COPY fetch-source.sh /usr/local/bin/
+COPY full-build.sh /usr/local/bin/
+
+RUN echo "chronos ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
+
+USER chronos
+RUN git config --global user.email "dev@null"
+RUN git config --global user.name "/dev/null"
+
+WORKDIR /chromiumos
+
+CMD ["/bin/bash"]
+
+FROM sdk as source
+
+RUN fetch-source.sh
+
+# Add chromite/bin into the user's path
+ENV PATH=$PATH:/chromiumos/chromite/bin
+# Add chromite as a local site-package
+RUN mkdir -p /home/chronos/.local/lib/python2.6/site-packages
+RUN ln -s /chromiumos/chromite /home/chronos/.local/lib/python2.6/site-packages/
+ENV PORTAGE_USERNAME=chronos
+# Add bash completion
+RUN echo ". /chromiumos/src/scripts/bash_completion" >> .bash_profile
+
+WORKDIR /chromiumos/src/scripts

build-in-docker.sh

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+#!/bin/sh
+
+set -e
+
+docker build -t cr .
+docker run --name cr -it -v $PWD/dist:/dist cr full-build.sh

fetch-repo.sh

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+#!/bin/sh
+
+set -e
+
+apk add --no-cache git
+
+# See http://commondatastorage.googleapis.com/chrome-infra-docs/flat/depot_tools/docs/html/depot_tools_tutorial.html#_setting_up
+echo "Getting depot_tools"
+git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git /sdk/opt/depot_tools
+rm -rf /sdk/opt/depot_tools/.git
+

fetch-sdk.sh

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+#!/bin/sh
+
+set -e
+
+# See https://www.chromium.org/chromium-os/developer-guide/using-sdk-standalone#TOC-Getting-the-SDK
+
+echo "Getting the SDK"
+eval $(wget -O - "https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/master/chromeos/binhost/host/sdk_version.conf?format=TEXT" | base64 -d | grep '^SDK_LATEST_VERSION=')
+wget -O /sdk.tar.xz "https://commondatastorage.googleapis.com/chromiumos-sdk/cros-sdk-${SDK_LATEST_VERSION}.tar.xz"
+
+echo "Extracting the SDK"
+mkdir /sdk
+cd /sdk
+tar xvf /sdk.tar.xz

fetch-source.sh

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+#!/bin/sh
+
+set -e
+
+echo "Entering /chromiumos working directory"
+cd /chromiumos
+
+echo "Syncing source"
+repo init -u https://chromium.googlesource.com/chromiumos/manifest.git --repo-url https://chromium.googlesource.com/external/repo.git
+repo sync -j6
+

full-build.sh

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+#!/bin/sh
+
+set -e
+
+echo "Changing directory"
+cd /chromiumos/src/scripts
+
+echo "Setup board"
+export BOARD=amd64-generic
+./setup_board --board=${BOARD}
+
+echo "Build packages"
+./build_packages --board=${BOARD}
+
+echo "Build image"
+./build_image --board=${BOARD} --noenable_rootfs_verification base
+