aurora-nixhack.sh

#!/bin/bash
# Build, export, and publish the Nix dependencies of an Aurora job.
# Then use the aurora commandline utility to launch it.
#
# This should really be an Aurora client hook, or at least a
# better-integrated wrapper script.
set -e

attr=${1:?USAGE: $0 <attribute>}
shift

pushdir=./nar
s3cache="s3://your-s3-bucket/nar"

derivation=$(nix-instantiate -A "$attr")
store_path=$(nix-store --realize "$derivation")

echo "STORE PATH: $store_path"

echo "EXPORTING TO $pushdir"

nix-push --dest "$pushdir" "$store_path"

echo "SYNCING TO $s3cache"

aws s3 sync "$pushdir" "$s3cache"

echo "STORE PATH FOR AURORA: $store_path"

aurora "$@" --bind store_path="$store_path"