Move devshell to subdirectory
This commit is contained in:
52
devshell/commands.nix
Normal file
52
devshell/commands.nix
Normal file
@@ -0,0 +1,52 @@
|
||||
{ pkgs, ... }:
|
||||
let
|
||||
homeFlake = "$HOME/.config/nixpkgs/flake.nix";
|
||||
in
|
||||
{
|
||||
commands = [
|
||||
{
|
||||
name = "repl";
|
||||
category = "utilities";
|
||||
help = "Open a `nix repl` with this flake";
|
||||
command =
|
||||
''
|
||||
tmp="$(mktemp --tmpdir repl.nix.XXXXX)"
|
||||
echo "builtins.getFlake \"$PRJ_ROOT\"" > "$tmp"
|
||||
nix repl "$tmp" || true
|
||||
rm "$tmp"
|
||||
'';
|
||||
}
|
||||
{
|
||||
name = "home-link";
|
||||
category = "utilities";
|
||||
help = "Install link to flake.nix for home-manager to use";
|
||||
command =
|
||||
''
|
||||
[ -e "${homeFlake}" ] && echo "${homeFlake} already exists" && exit 1
|
||||
|
||||
mkdir -p "$(dirname "${homeFlake}")"
|
||||
ln -s "$(pwd)/flake.nix" "${homeFlake}"
|
||||
echo "Installed link to $(pwd)/flake.nix at ${homeFlake}"
|
||||
'';
|
||||
}
|
||||
{
|
||||
name = "home-unlink";
|
||||
category = "utilities";
|
||||
help = "Remove home-manager flake.nix link";
|
||||
command = "rm -f ${homeFlake}";
|
||||
}
|
||||
|
||||
{
|
||||
name = "fmt";
|
||||
category = "tasks";
|
||||
help = pkgs.nixpkgs-fmt.meta.description;
|
||||
command = ''exec "${pkgs.nixpkgs-fmt}/bin/nixpkgs-fmt" "$@"'';
|
||||
}
|
||||
{
|
||||
name = "home-switch";
|
||||
category = "tasks";
|
||||
help = "Run `home-manager switch`";
|
||||
command = ''home-manager switch --flake . "$@"'';
|
||||
}
|
||||
];
|
||||
}
|
||||
25
devshell/default.nix
Normal file
25
devshell/default.nix
Normal file
@@ -0,0 +1,25 @@
|
||||
{ lib, pkgs, ... }:
|
||||
let
|
||||
inherit (lib.my) attrsToNVList;
|
||||
in
|
||||
{
|
||||
imports = [ ./commands.nix ./install.nix ];
|
||||
|
||||
env = attrsToNVList {
|
||||
# starship will show this
|
||||
name = "devshell";
|
||||
|
||||
NIX_USER_CONF_FILES = toString (pkgs.writeText "nix.conf"
|
||||
''
|
||||
experimental-features = nix-command flakes ca-derivations
|
||||
'');
|
||||
};
|
||||
|
||||
packages = with pkgs; [
|
||||
coreutils
|
||||
nixVersions.stable
|
||||
agenix
|
||||
deploy-rs.deploy-rs
|
||||
home-manager
|
||||
];
|
||||
}
|
||||
205
devshell/install.nix
Normal file
205
devshell/install.nix
Normal file
@@ -0,0 +1,205 @@
|
||||
{ lib, pkgs, config, ... }:
|
||||
let
|
||||
inherit (lib) mapAttrsToList concatMapStringsSep;
|
||||
inherit (lib.my) mkOpt' attrsToNVList;
|
||||
|
||||
parseArgs = opts:
|
||||
''
|
||||
POSITIONAL_ARGS=()
|
||||
|
||||
while [ $# -gt 0 ]; do
|
||||
# shellcheck disable=SC2221,SC2222
|
||||
case $1 in
|
||||
${opts}
|
||||
-*|--*)
|
||||
die "Unknown option $1"
|
||||
;;
|
||||
*)
|
||||
POSITIONAL_ARGS+=("$1") # save positional arg
|
||||
shift # past argument
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
set -- "''${POSITIONAL_ARGS[@]}" # restore positional parameters
|
||||
'';
|
||||
installCommon = pkgs.writeShellApplication {
|
||||
name = "install-common.sh";
|
||||
runtimeInputs = with pkgs; [
|
||||
coreutils
|
||||
gnugrep
|
||||
openssh
|
||||
nixVersions.stable
|
||||
jq
|
||||
];
|
||||
text =
|
||||
''
|
||||
log() {
|
||||
echo -e "$@" >&2
|
||||
}
|
||||
debug() {
|
||||
[ -n "$DEBUG" ] || return 0
|
||||
log "[\e[32;1mdebug\e[0m]: \e[32m$*\e[0m"
|
||||
}
|
||||
info() {
|
||||
log "[\e[36;1minfo\e[0m]: \e[36m$*\e[0m"
|
||||
}
|
||||
warn() {
|
||||
log "[\e[33;1minfo\e[0m]: \e[33m$*\e[0m"
|
||||
}
|
||||
error() {
|
||||
log "[\e[31;1minfo\e[0m]: \e[31m$*\e[0m"
|
||||
}
|
||||
die() {
|
||||
error "$@"
|
||||
exit 1
|
||||
}
|
||||
|
||||
askYN() {
|
||||
local question="$1"
|
||||
local options default
|
||||
|
||||
if [ "$2" = y ]; then
|
||||
options="Y/n"
|
||||
default="y"
|
||||
else
|
||||
options="y/N"
|
||||
default="n"
|
||||
fi
|
||||
|
||||
local input
|
||||
read -p "$question [$options] " -n 1 -s -r input
|
||||
: "''${input:=$default}"
|
||||
echo "$input"
|
||||
[[ "$input" =~ ^[yY]$ ]]
|
||||
}
|
||||
|
||||
# : is a builtin that does nothing...
|
||||
: "''${DEBUG:=}"
|
||||
: "''${INSTALLER:=}"
|
||||
: "''${INSTALLER_SSH_OPTS:=}"
|
||||
: "''${INSTALLER_SSH_PORT:=22}"
|
||||
|
||||
[ -z "$INSTALLER" ] && die "\$INSTALLER is not set"
|
||||
|
||||
KNOWN_HOSTS="$(mktemp --tmpdir known_hosts.XXXXXX)"
|
||||
cleanup() {
|
||||
rm -f "$KNOWN_HOSTS"
|
||||
}
|
||||
trap cleanup EXIT
|
||||
|
||||
IFS=" " read -ra SSH_OPTS <<< "$INSTALLER_SSH_OPTS"
|
||||
SSH_OPTS+=(-o StrictHostKeyChecking=ask -o UserKnownHostsFile="$KNOWN_HOSTS" -p "$INSTALLER_SSH_PORT")
|
||||
debug "ssh params: ''${SSH_OPTS[*]}"
|
||||
|
||||
execInstaller() {
|
||||
debug "[root@$INSTALLER -p $INSTALLER_SSH_PORT] $*"
|
||||
ssh "''${SSH_OPTS[@]}" "root@$INSTALLER" -- "$@" 2> >(grep -v "Permanently added" 1>&2)
|
||||
}
|
||||
'';
|
||||
};
|
||||
installerCommandOpts = with lib.types; {
|
||||
options = {
|
||||
help = mkOpt' str null "Help message.";
|
||||
script = mkOpt' lines "" "Script contents.";
|
||||
packages = mkOpt' (listOf package) [ ] "Packages to make available to the script.";
|
||||
};
|
||||
};
|
||||
in
|
||||
{
|
||||
options.my.installerCommands = with lib.types;
|
||||
mkOpt' (attrsOf (submodule installerCommandOpts)) { } "Installer commands.";
|
||||
|
||||
config = {
|
||||
my.installerCommands = {
|
||||
installer-shell = {
|
||||
help = "Get a shell into the installer";
|
||||
script =
|
||||
''
|
||||
execInstaller "$@"
|
||||
'';
|
||||
};
|
||||
|
||||
# TODO: Add new command to generate a template with the output of nixos-generate-config included
|
||||
|
||||
do-install = {
|
||||
help = "Install a system configuration into a prepared installer that can be reached at $INSTALLER";
|
||||
script =
|
||||
''
|
||||
noBootloader=
|
||||
noSubstitute=
|
||||
${parseArgs
|
||||
''
|
||||
--no-bootloader)
|
||||
noBootloader=true
|
||||
shift
|
||||
;;
|
||||
--no-substitute)
|
||||
noSubstitute=true
|
||||
shift
|
||||
;;
|
||||
''}
|
||||
system="''${1:-}"
|
||||
[ -z "$system" ] && die "usage: $0 [--no-bootloader] [--no-substitute] <system>"
|
||||
|
||||
: "''${INSTALLER_BUILD_OPTS:=}"
|
||||
IFS=" " read -ra BUILD_OPTS <<< "$INSTALLER_BUILD_OPTS"
|
||||
|
||||
INSTALL_ROOT="$(execInstaller echo \$INSTALL_ROOT)"
|
||||
info "Installing configuration for $system to $INSTALLER:$INSTALL_ROOT"
|
||||
askYN "Continue?" n || exit 1
|
||||
|
||||
params=()
|
||||
[ -z "$noSubstitute" ] && params+=(--substitute-on-destination)
|
||||
|
||||
flakeAttr="$PRJ_ROOT#nixosConfigurations.$system.config.system.build.toplevel"
|
||||
info "Building $flakeAttr..."
|
||||
storePath="$(nix build "''${BUILD_OPTS[@]}" --no-link --json "$flakeAttr" | jq -r .[0].outputs.out)"
|
||||
|
||||
info "Copying closure of configuration $storePath to target..."
|
||||
NIX_SSHOPTS="''${SSH_OPTS[*]}" nix copy "''${params[@]}" \
|
||||
--to "ssh://root@$INSTALLER?remote-store=$INSTALL_ROOT" "$storePath"
|
||||
|
||||
profile=/nix/var/nix/profiles/system
|
||||
info "Setting $profile on target to point to copied configuration..."
|
||||
# Use `nix-env` since `nix profile` uses a non-backwards compatible manifest format
|
||||
execInstaller nix-env --store "$INSTALL_ROOT" -p "$INSTALL_ROOT$profile" --set "$storePath"
|
||||
|
||||
# Make switch-to-configuration recognise this as a NixOS system
|
||||
execInstaller "mkdir -m 0755 -p \"$INSTALL_ROOT/etc\" && touch \"$INSTALL_ROOT/etc/NIXOS\""
|
||||
|
||||
if [ -z "$noBootloader" ]; then
|
||||
info "Activating configuration and installing bootloader..."
|
||||
# Grub needs an mtab.
|
||||
execInstaller ln -sfn /proc/mounts "$INSTALL_ROOT/etc/mtab"
|
||||
execInstaller "export NIXOS_INSTALL_BOOTLOADER=1 && \
|
||||
nixos-enter --root \"$INSTALL_ROOT\" -- /run/current-system/bin/switch-to-configuration boot"
|
||||
else
|
||||
info "Activating configuation..."
|
||||
execInstaller \
|
||||
nixos-enter --root "$INSTALL_ROOT" -- /run/current-system/bin/switch-to-configuration boot
|
||||
fi
|
||||
|
||||
info "Success!"
|
||||
'';
|
||||
};
|
||||
};
|
||||
|
||||
commands = mapAttrsToList (name: cmd: {
|
||||
inherit name;
|
||||
inherit (cmd) help;
|
||||
category = "installation";
|
||||
package = pkgs.writeShellApplication {
|
||||
inherit name;
|
||||
runtimeInputs = cmd.packages;
|
||||
text =
|
||||
''
|
||||
# shellcheck disable=SC1091
|
||||
source "${installCommon}/bin/install-common.sh"
|
||||
|
||||
${cmd.script}
|
||||
'';
|
||||
};
|
||||
}) config.my.installerCommands;
|
||||
};
|
||||
}
|
||||
Reference in New Issue
Block a user