mirror of
https://github.com/nix-community/nixos-anywhere.git
synced 2024-09-11 16:45:28 +03:00
46 lines
1.2 KiB
Bash
Executable File
46 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -uex -o pipefail
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if [ "$#" -ne 3 ]; then
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echo "USAGE: $0 NIXOS_SYSTEM TARGET_HOST TARGET_PORT" >&2
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exit 1
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fi
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NIXOS_SYSTEM=$1
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TARGET_HOST=$2
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TARGET_PORT=$3
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shift 3
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workDir=$(mktemp -d)
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trap 'rm -rf "$workDir"' EXIT
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sshOpts=(-p "${TARGET_PORT}")
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sshOpts+=(-o UserKnownHostsFile=/dev/null)
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sshOpts+=(-o StrictHostKeyChecking=no)
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if [[ -n ${SSH_KEY+x} && ${SSH_KEY} != "-" ]]; then
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sshPrivateKeyFile="$workDir/ssh_key"
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trap 'rm "$sshPrivateKeyFile"' EXIT
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# Create the file with 0700 - umask calculation: 777 - 700 = 077
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(
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umask 077
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echo "$SSH_KEY" >"$sshPrivateKeyFile"
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)
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unset SSH_AUTH_SOCK # don't use system agent if key was supplied
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sshOpts+=(-o "IdentityFile=${sshPrivateKeyFile}")
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fi
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try=1
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until NIX_SSHOPTS="${sshOpts[*]}" nix copy -s --experimental-features nix-command --to "ssh://$TARGET_HOST" "$NIXOS_SYSTEM"; do
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if [[ $try -gt 10 ]]; then
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echo "retries exhausted" >&2
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exit 1
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fi
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sleep 10
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try=$((try + 1))
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done
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# shellcheck disable=SC2029
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ssh "${sshOpts[@]}" "$TARGET_HOST" "nix-env -p /nix/var/nix/profiles/system --set $(printf "%q" "$NIXOS_SYSTEM"); /nix/var/nix/profiles/system/bin/switch-to-configuration switch" || :
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