feat(dev-env): shell scripts (git-hooks, worktree, deploy, regtest, nav) and smoke test
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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modules/dev-env/scripts/deploy.sh
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modules/dev-env/scripts/deploy.sh
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#!/usr/bin/env bash
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# dev-deploy: thin wrapper around the unified deploy flake
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#
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# Usage:
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# dev-deploy <host> switch on host (uses locked deploy flake input)
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# dev-deploy <host> test test build (no switch)
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# dev-deploy <host> build local build only
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# dev-deploy --local <host> same as switch but with --override-input
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# wired up from local worktrees so the deploy
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# builds against your in-progress changes
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# dev-deploy all [test|build] every host in parallel
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# dev-deploy update nix flake update
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#
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# Deploy host → SSH target mapping comes from /etc/dev-env/config.sh.
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set -euo pipefail
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if [[ -r /etc/dev-env/config.sh ]]; then
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# shellcheck disable=SC1091
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source /etc/dev-env/config.sh
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fi
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DEPLOY_DIR="${DEPLOY_DIR:-$DEV_ROOT/deploy}/${DEVENV_DEPLOY_FLAKE_INPUT:-unified}"
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PROJECTS_JSON="${DEVENV_PROJECTS_JSON:-/etc/dev-env/projects.json}"
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usage() {
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cat <<EOF
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dev-deploy — wraps nixos-rebuild against the unified deploy flake
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USAGE:
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dev-deploy <host> deploy (switch)
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dev-deploy <host> test test build (no switch)
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dev-deploy <host> build local build only (no target)
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dev-deploy --local <host> deploy with --override-input from local worktrees
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dev-deploy --local <host> test test with overrides
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dev-deploy all [test|build] every host in parallel
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dev-deploy update [args...] nix flake update
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Configured targets:
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EOF
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if [[ -n "${!DEPLOY_TARGETS_KEYS[*]:-}" ]] 2>/dev/null \
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|| [[ "${DEPLOY_TARGETS-}" == *"="* ]]; then
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# DEPLOY_TARGETS is rendered as either a bash assoc array or
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# KEY=VALUE lines depending on the shell — print whatever's set.
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env | grep '^DEPLOY_TARGET_' | sed 's/^DEPLOY_TARGET_/ /' | sed 's/=/ → /' || true
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fi
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if [[ -r "$DEPLOY_DIR/deploy.sh" ]]; then
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echo ""
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echo "Backing flake: $DEPLOY_DIR"
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fi
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exit 1
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}
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[[ $# -lt 1 ]] && usage
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# Pull the host → target map. We accept either:
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# 1. DEPLOY_TARGET_<HOST>=<ssh> (rendered by config.nix as env vars)
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# 2. ${DEPLOY_DIR}/deploy.sh's TARGETS associative array (fallback)
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target_for() {
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local host="$1"
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local var="DEPLOY_TARGET_${host//-/_}"
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if [[ -n "${!var:-}" ]]; then
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echo "${!var}"
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return
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fi
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# Fallback: parse the deploy.sh TARGETS array (simple regex; brittle
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# but enough for our case)
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if [[ -r "$DEPLOY_DIR/deploy.sh" ]]; then
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awk -v h="$host" '
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/^[[:space:]]*\[/ {
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if (match($0, /\[([^]]+)\]="([^"]*)"/, m)) {
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if (m[1] == h) { print m[2]; exit }
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}
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}
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' "$DEPLOY_DIR/deploy.sh"
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fi
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}
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# --- subcommands ---
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cmd_update() {
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shift
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cd "$DEPLOY_DIR"
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nix flake update "$@"
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}
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# Build the --override-input flags for a host using projects.json's
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# `deployFlakeInput` mapping. For each project that has deployFlakeInput
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# set AND a worktree resolved to a real on-disk path, we emit
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# --override-input <input> path:<worktree-path>
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# Picks the first worktree by default; pass DEVENV_OVERRIDE_WORKTREE=<name>
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# to choose a specific one.
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build_overrides() {
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local args=()
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local prefer="${DEVENV_OVERRIDE_WORKTREE:-}"
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[[ -r "$PROJECTS_JSON" ]] || { printf '%s\n' ""; return; }
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while IFS=$'\t' read -r input wt_path; do
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[[ -z "$input" || "$input" == "null" ]] && continue
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[[ -d "$wt_path" ]] || continue
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args+=(--override-input "$input" "path:$wt_path")
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done < <(jq -r --arg prefer "$prefer" '
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to_entries[]
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| select(.value.deployFlakeInput != null)
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| .value as $v
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| (if ($prefer | length) > 0 and ($v.worktrees | has($prefer))
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then $v.worktrees[$prefer].path
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else
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($v.worktrees | to_entries | first.value.path // null)
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end) as $path
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| "\($v.deployFlakeInput)\t\($path // "")"
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' "$PROJECTS_JSON")
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printf '%s\0' "${args[@]}"
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}
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run_host() {
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local host="$1" action="$2" use_local="$3"
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local target
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target="$(target_for "$host")"
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if [[ -z "$target" ]] && [[ "$action" != "build" ]]; then
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echo "no SSH target for host '$host' (set DEPLOY_TARGET_${host//-/_})" >&2
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return 1
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fi
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cd "$DEPLOY_DIR"
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local overrides=()
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if $use_local; then
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# Read the null-delimited overrides into an array
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while IFS= read -r -d '' arg; do
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[[ -n "$arg" ]] && overrides+=("$arg")
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done < <(build_overrides)
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if (( ${#overrides[@]} > 0 )); then
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echo "[$host] using ${#overrides[@]} local override(s):"
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local i=0
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while (( i < ${#overrides[@]} )); do
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echo " ${overrides[$((i+1))]} -> ${overrides[$((i+2))]}"
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i=$((i + 3))
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done
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fi
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fi
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case "$action" in
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deploy)
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echo "[$host] switch on $target..."
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nixos-rebuild switch \
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--flake ".#$host" \
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--target-host "$target" \
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"${overrides[@]}"
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;;
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test)
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echo "[$host] test on $target..."
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nixos-rebuild test \
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--flake ".#$host" \
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--target-host "$target" \
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"${overrides[@]}"
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;;
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build)
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echo "[$host] local build..."
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nix build \
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".#nixosConfigurations.$host.config.system.build.toplevel" \
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"${overrides[@]}"
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;;
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*)
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echo "unknown action: $action" >&2
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return 1
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;;
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esac
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}
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USE_LOCAL=false
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if [[ "$1" == "--local" ]]; then
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USE_LOCAL=true
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shift
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fi
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case "$1" in
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update)
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cmd_update "$@"
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;;
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all)
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action="${2:-deploy}"
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# iterate every DEPLOY_TARGET_* env var
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pids=()
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hosts=()
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for var in $(env | grep -o '^DEPLOY_TARGET_[A-Za-z0-9_]*' || true); do
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host="${var#DEPLOY_TARGET_}"
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host="${host//_/-}"
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run_host "$host" "$action" "$USE_LOCAL" &
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pids+=($!)
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hosts+=("$host")
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done
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failed=()
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for i in "${!pids[@]}"; do
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if ! wait "${pids[$i]}"; then
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failed+=("${hosts[$i]}")
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fi
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done
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if (( ${#failed[@]} > 0 )); then
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echo "FAILED: ${failed[*]}"
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exit 1
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fi
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echo "All hosts deployed successfully."
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;;
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-h|--help)
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usage
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;;
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*)
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host="$1"
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action="${2:-deploy}"
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run_host "$host" "$action" "$USE_LOCAL"
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;;
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esac
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