heroku-buildpack-uml/bin/compile

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#!/bin/bash -x
export APP="$(realpath "$1")"
export CACHE="$2"
export ENV="$3"
export BP="$(realpath "$(dirname "$0")/..")"
export PATH="$PATH:$BP/bin"
if ! test -d "$CACHE"
then mkdir "$CACHE"
fi
. "$BP/bin/read_config"
mkdir "$CACHE/app_root"
find "$APP" ! -path "$APP" -maxdepth 1 -exec mv "{}" "$CACHE/app_root" \;
mv "$CACHE/app_root" "$APP/root"
tar -xvzf "$BP/uml.tar.gz" -C "$APP"
mkdir "$APP/shadow_root"
mkdir "$APP/shadow_mount"
dd if=/dev/zero of="$APP/shadow_root.img" bs=1048576 count="$FS_SIZE"
/sbin/mke2fs "$APP/shadow_root.img"
wget http://ftp.debian.org/debian/pool/main/c/criu/criu_3.6-2_amd64.deb -O "$APP/criu.deb"
uml_run "rm /var/lib/dpkg/lock /var/lib/dpkg/triggers/Lock; rm -r /var/cache/apt/archives/*; umount /app; dpkg -i '$APP/criu.deb'; apt-get -f install; mount --bind '$APP/root' /app; bash /app/install.sh"
mkdir "$APP/.profile.d"
cp "$BP/bin/read_config" "$APP/.profile.d"
cp "$BP/bin/redirect_PORT" "$APP/.profile.d"
cp "$APP/root/Procfile" "$APP/Procfile"
fix_procfile "$APP/Procfile"
if test -f "$APP/root/.slirprc"
then cp "$APP/root/.slirprc" "$APP"
fi