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#!@zsh@/bin/zsh
set -e
gcrootsDir=${PWD}/.nix-gc-roots
if [[ ${#@} -ge 1 ]]; then
shellFile=${1}
shift
else
shellFile=${PWD}/shell.nix
fi
set -x
mkdir -p ${gcrootsDir}
nix-instantiate ${shellFile} --indirect --add-root ${gcrootsDir}/shell.drv
nix-store --indirect --add-root ${gcrootsDir}/shell.dep --realise $(nix-store --query --references ${gcrootsDir}/shell.drv)
set +x
exec nix-shell $(readlink ${gcrootsDir}/shell.drv) ${@}
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