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scripts/deploy.sh: init #3

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35 changes: 35 additions & 0 deletions scripts/deploy.sh
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Original file line number Diff line number Diff line change
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#! /bin/sh

# SPDX-FileCopyrightText: 2020 Alyssa Ross <[email protected]>
# SPDX-License-Identifier: MIT

set -ueo pipefail

ex_usage() {
cat >&2 <<EOF
Usage: $0 hostname...
EOF
exit 64 # EX_USAGE
}

if [ "$#" -eq 0 ]; then
ex_usage
fi

host="$1"
shift

NIX_PATH="nixpkgs=${BASH_SOURCE[0]%/*}/../nixpkgs"
NIX_PATH="$NIX_PATH:nixos-config=${BASH_SOURCE[0]%/*}/../sys/$host.nix"
export NIX_PATH

fqdn="$(nix-instantiate --eval \
-E 'with (import <nixpkgs/nixos> {}).config.networking;
"${hostName}.${domain}"' | tr -d '"')"

nixos_rebuild="$(nix-build --no-out-link \
-A config.system.build.nixos-rebuild \
'<nixpkgs/nixos>')"

exec $nixos_rebuild/bin/nixos-rebuild switch \
--target-host "root@$fqdn" "$@"