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2026-07-26 11:39:21 +05:30

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#!/usr/bin/env bash
#
# update.sh — Update the Zopu runtime to a specific branch or commit.
#
# Usage:
# update.sh # update to latest dogfood/v0
# update.sh dogfood/v0 # update to latest of branch dogfood/v0
# update.sh <commit-sha> # checkout and build a specific commit
#
# The argument is treated as a branch name first; if no matching remote
# tracking branch exists it is treated as a commit SHA.
#
# .env is gitignored and is never touched by git operations. It survives
# updates and rollbacks unchanged.
#
# Must be run as root (uses runuser to build as the service user).
set -euo pipefail
INSTALL_DIR="${ZOPU_INSTALL_DIR:-/opt/zopu}"
SERVICE_USER="${ZOPU_SERVICE_USER:-zopu}"
TARGET="${1:-dogfood/v0}"
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'
log() { echo -e "${GREEN}[update]${NC} $*"; }
warn() { echo -e "${YELLOW}[update]${NC} $*"; }
err() { echo -e "${RED}[update]${NC} $*" >&2; }
run_as_service() {
runuser -u "$SERVICE_USER" -- "$@"
}
cd "$INSTALL_DIR"
# Record current commit for rollback
CURRENT_SHA=$(git rev-parse HEAD)
log "Current HEAD: ${CURRENT_SHA:0:12}"
echo "$CURRENT_SHA" > "${INSTALL_DIR}/.last-deployed-sha"
# Fetch all remotes
log "Fetching from origin..."
git fetch origin
# Resolve target: branch first, then commit
if git show-ref --verify --quiet "refs/remotes/origin/${TARGET}"; then
log "Target is a branch: ${TARGET}"
git checkout -B "$TARGET" "origin/${TARGET}"
elif git rev-parse --verify "${TARGET}^{commit}" &>/dev/null; then
log "Target is a commit: ${TARGET:0:12}"
git checkout "$TARGET"
else
err "'${TARGET}' is not a known branch or valid commit."
err "Available branches: $(git branch -r | tr '\n' ' ')"
exit 1
fi
NEW_SHA=$(git rev-parse HEAD)
log "Now at: ${NEW_SHA:0:12}"
# Restore ownership of the checkout to the service user after git operations
log "Setting ownership of checkout to $SERVICE_USER..."
chown -R "$SERVICE_USER":"$SERVICE_USER" "$INSTALL_DIR"
# Confirm .env is intact and has correct permissions
if [[ -f "${INSTALL_DIR}/.env" ]]; then
log ".env preserved."
chmod 600 "${INSTALL_DIR}/.env"
else
err ".env is missing! Restore it from backup before starting services."
fi
# Install and build
log "Running bun install..."
run_as_service bun install
log "Building web app..."
run_as_service bun run --cwd apps/web build
log "Validating daemon production build..."
run_as_service bun run build:daemon
log "Building agent service..."
run_as_service bun run build:agents
# Graceful restart: daemon first (owns RivetKit engine), then agent and web
log "Restarting services..."
systemctl restart zopu-daemon
sleep 3
systemctl restart zopu-agent
systemctl restart zopu-web
sleep 5
# Health check
HEALTH_SCRIPT="${INSTALL_DIR}/deploy/zopu-runtime/scripts/health-check.sh"
if [[ -x "$HEALTH_SCRIPT" ]]; then
log "Running health check..."
if "$HEALTH_SCRIPT"; then
log "Update complete and healthy."
else
err "Health check failed after update!"
err " journalctl -u zopu-daemon -n 50"
err " journalctl -u zopu-agent -n 50"
err " journalctl -u zopu-web -n 50"
err "To rollback: ${INSTALL_DIR}/deploy/zopu-runtime/scripts/rollback.sh"
exit 1
fi
else
log "Update complete. Verify manually."
fi