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Monorepo for Aesthetic.Computer aesthetic.computer
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Shell
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206#!/usr/bin/env bash# webhook.sh — Smart auto-deploy for lith# Called by POST /lith/deploy (from GitHub push webhook)## Strategy:# 1. git pull# 2. Check which files changed# 3. If only static frontend files changed → done (Caddy serves from disk)# 4. If backend functions or lith/ changed → npm install if needed, restart lith# 5. If Caddyfile changed → reload caddy## This means most frontend pushes deploy instantly with zero downtime.
set -euo pipefail
REMOTE_DIR="/opt/ac"LOG_TAG="[lith-deploy]"DEPLOY_BRANCH="${DEPLOY_BRANCH:-main}"
log() { echo "$LOG_TAG $*"; }
if ! [[ "$DEPLOY_BRANCH" =~ ^[A-Za-z0-9._/-]+$ ]]; then log "invalid DEPLOY_BRANCH: $DEPLOY_BRANCH" exit 2fi
cd "$REMOTE_DIR"
# Record HEAD before pullOLD_HEAD=$(git rev-parse HEAD)OLD_BRANCH=$(git branch --show-current)
# Pull latestlog "pulling branch $DEPLOY_BRANCH..."git fetch origin "$DEPLOY_BRANCH" --quiet
# Authenticated publishers pin a deployment to the exact SHA they just pushed.# Re-check after fetch so a racing push can never make us deploy a different# commit than the one the maintainer reviewed.REMOTE_HEAD=$(git rev-parse "origin/$DEPLOY_BRANCH")if [ -n "${EXPECTED_COMMIT:-}" ] && [ "$REMOTE_HEAD" != "$EXPECTED_COMMIT" ]; then log "refusing deploy: origin/$DEPLOY_BRANCH is $REMOTE_HEAD, expected $EXPECTED_COMMIT" exit 3fi
if git show-ref --verify --quiet "refs/heads/$DEPLOY_BRANCH"; then git checkout "$DEPLOY_BRANCH" --quietelse git checkout -B "$DEPLOY_BRANCH" "origin/$DEPLOY_BRANCH" --quietfi
git reset --hard "origin/$DEPLOY_BRANCH" --quiet
NEW_HEAD=$(git rev-parse HEAD)NEW_BRANCH=$(git branch --show-current)
if [ "$OLD_HEAD" = "$NEW_HEAD" ]; then log "already up to date on $NEW_BRANCH ($NEW_HEAD)" exit 0fi
# Write commit ref for version endpointecho "$NEW_HEAD" > system/public/.commit-ref
# Get list of changed filesCHANGED=$(git diff --name-only "$OLD_HEAD" "$NEW_HEAD")log "updated $OLD_BRANCH/$OLD_HEAD -> $NEW_BRANCH/$NEW_HEAD"log "changed files:"echo "$CHANGED" | sed 's/^/ /'
NEED_RESTART=falseNEED_CADDY_RELOAD=falseNEED_NPM_INSTALL=falseNEED_DP1_FEED_RESTART=falsePURGE_URLS=()
# Map a system/public/<host>/<rel> path to the public URL(s) it serves.# papers.aesthetic.computer is also reachable as papers.prompt.ac, so emit both.emit_urls_for() { local file="$1" case "$file" in system/public/papers.aesthetic.computer/*) local rel="${file#system/public/papers.aesthetic.computer/}" PURGE_URLS+=("https://papers.aesthetic.computer/${rel}") PURGE_URLS+=("https://papers.prompt.ac/${rel}") ;; system/public/aesthetic.computer/*) local rel="${file#system/public/aesthetic.computer/}" PURGE_URLS+=("https://aesthetic.computer/${rel}") ;; system/public/*) # Other subdomains — strip the host segment and emit one URL. local stripped="${file#system/public/}" local host="${stripped%%/*}" local rel="${stripped#*/}" PURGE_URLS+=("https://${host}/${rel}") ;; esac}
while IFS= read -r file; do case "$file" in lith/server.mjs|lith/package.json) NEED_RESTART=true ;; lith/Caddyfile) NEED_CADDY_RELOAD=true ;; lith/package-lock.json) NEED_NPM_INSTALL=true NEED_RESTART=true ;; system/netlify/functions/*) NEED_RESTART=true ;; system/package.json|system/package-lock.json) NEED_NPM_INSTALL=true NEED_RESTART=true ;; shared/*) NEED_RESTART=true ;; lith/dp1-feed-config.yaml|lith/dp1-feed.service) NEED_DP1_FEED_RESTART=true ;; system/public/*) emit_urls_for "$file" ;; *) # Other files (docs, tests, etc.) — no action needed ;; esacdone <<< "$CHANGED"
if $NEED_NPM_INSTALL; then log "installing dependencies..." cd "$REMOTE_DIR/system" && npm install --omit=dev --quiet 2>&1 | tail -1 cd "$REMOTE_DIR/lith" && npm install --omit=dev --quiet 2>&1 | tail -1fi
if $NEED_CADDY_RELOAD; then # Caddy reads /etc/caddy/Caddyfile, not /opt/ac/lith/Caddyfile, so the # checked-out copy has to be installed before the reload — otherwise # `systemctl reload caddy` re-reads the same stale config and the change # silently no-ops. (deploy.fish does the same cp; webhook missed it.) # See: 2026-04-29 jeffrey-platter Caddy try_files fix that didn't apply. log "installing Caddyfile + reloading caddy..." cp "$REMOTE_DIR/lith/Caddyfile" /etc/caddy/Caddyfile systemctl reload caddyfi
if $NEED_DP1_FEED_RESTART; then if systemctl is-active dp1-feed &>/dev/null; then log "updating dp1-feed config..." cp "$REMOTE_DIR/lith/dp1-feed-config.yaml" /opt/dp1-feed/config.yaml cp "$REMOTE_DIR/lith/dp1-feed.service" /etc/systemd/system/dp1-feed.service systemctl daemon-reload systemctl restart dp1-feed fifi
if $NEED_RESTART; then log "restarting lith (backend changes detected)..." systemctl restart lithelse log "static-only deploy — no restart needed"fi
if [ ${#PURGE_URLS[@]} -gt 0 ]; then if [ -n "${CLOUDFLARE_PURGE_TOKEN:-}" ] && [ -n "${CLOUDFLARE_ZONE_ID:-}" ]; then log "purging ${#PURGE_URLS[@]} Cloudflare URL(s) on zone $CLOUDFLARE_ZONE_ID..." # Cloudflare's purge_cache takes up to 30 URLs per request. Chunk the list. chunk=() purge_chunk() { local files_json files_json=$(printf '%s\n' "${chunk[@]}" | python3 -c 'import sys, json; print(json.dumps({"files": [l.strip() for l in sys.stdin if l.strip()]}))') CF_RESPONSE=$(curl -sS -X POST \ "https://api.cloudflare.com/client/v4/zones/${CLOUDFLARE_ZONE_ID}/purge_cache" \ -H "Authorization: Bearer ${CLOUDFLARE_PURGE_TOKEN}" \ -H "Content-Type: application/json" \ --data "$files_json" \ --max-time 20 || echo '{"success":false,"errors":[{"message":"curl failed"}]}') if echo "$CF_RESPONSE" | grep -q '"success":true'; then log " purged ${#chunk[@]} URL(s)" else log " WARN: purge failed: $CF_RESPONSE" fi } for url in "${PURGE_URLS[@]}"; do chunk+=("$url") if [ ${#chunk[@]} -ge 30 ]; then purge_chunk chunk=() fi done if [ ${#chunk[@]} -gt 0 ]; then purge_chunk fi else log "skipping CF purge of ${#PURGE_URLS[@]} URL(s) — CLOUDFLARE_PURGE_TOKEN / CLOUDFLARE_ZONE_ID not set" log " set them in aesthetic-computer-vault/lith/.env (uploaded to /opt/ac/system/.env on deploy)" fifi
log "done"