update

2026-07-26 14:15:24 -05:00
parent ed61527cf0
commit 4511d3a0a3
9 changed files with 169 additions and 18 deletions
@@ -0,0 +1,91 @@
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+
+DEPLOY_ROOT="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
+SCRIPT_PATH="${DEPLOY_ROOT}/$(basename -- "${BASH_SOURCE[0]}")"
+cd "$DEPLOY_ROOT"
+
+fail() {
+	printf 'ERROR: %s\n' "$*" >&2
+	exit 1
+}
+
+command -v git >/dev/null 2>&1 || fail "git is required"
+command -v docker >/dev/null 2>&1 || fail "docker is required"
+docker compose version >/dev/null 2>&1 ||
+	fail "Docker Compose v2 is required"
+[[ -f .env ]] || fail ".env was not found in ${DEPLOY_ROOT}"
+
+post_pull=0
+if [[ "${1:-}" == "--post-pull" ]]; then
+	post_pull=1
+elif [[ $# -ne 0 ]]; then
+	fail "usage: ${0} [--post-pull]"
+fi
+
+if ((post_pull == 0)); then
+	branch="$(git symbolic-ref --quiet --short HEAD)" ||
+		fail "the repository is in detached HEAD state"
+	upstream="$(git rev-parse --abbrev-ref --symbolic-full-name '@{upstream}' 2>/dev/null)" ||
+		fail "branch ${branch} does not have an upstream branch"
+	remote="$(git config --get "branch.${branch}.remote")" ||
+		fail "branch ${branch} does not have a configured remote"
+
+	git diff --quiet && git diff --cached --quiet ||
+		fail "tracked local changes must be committed or stashed before updating"
+
+	printf 'Checking %s against %s...\n' "$branch" "$upstream"
+	git fetch --quiet --prune "$remote"
+
+	local_commit="$(git rev-parse HEAD)"
+	upstream_commit="$(git rev-parse '@{upstream}')"
+	if [[ "$local_commit" == "$upstream_commit" ]]; then
+		printf 'Deployment is already up to date.\n'
+	elif git merge-base --is-ancestor "$local_commit" "$upstream_commit"; then
+		git merge --quiet --ff-only "$upstream_commit"
+		# Restart using the newly pulled copy so changes to this script apply.
+		exec "$SCRIPT_PATH" --post-pull
+	elif git merge-base --is-ancestor "$upstream_commit" "$local_commit"; then
+		fail "local branch ${branch} is ahead of ${upstream}; refusing to update"
+	else
+		fail "local branch ${branch} has diverged from ${upstream}"
+	fi
+fi
+
+printf 'Updating the local Gitea image and deployment stack...\n'
+docker compose --env-file .env -f deploy/gitea/compose.yaml pull
+"${DEPLOY_ROOT}/manage.sh" start
+
+container_id="$(docker compose -f compose.yaml -f compose.tls.yaml ps -q broker)"
+[[ -n "$container_id" ]] ||
+	fail "Docker Compose did not return the local broker container"
+
+printf 'Waiting for the local broker health check'
+for ((attempt = 1; attempt <= 75; attempt++)); do
+	status="$(
+		docker inspect \
+			--format '{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}' \
+			"$container_id"
+	)"
+	case "$status" in
+	healthy)
+		printf ' healthy.\n'
+		docker compose -f compose.yaml -f compose.tls.yaml ps
+		docker compose --env-file .env -f deploy/gitea/compose.yaml ps
+		printf 'Local deployment updated successfully.\n'
+		exit 0
+		;;
+	exited | dead | unhealthy)
+		printf ' %s.\n' "$status"
+		docker compose -f compose.yaml -f compose.tls.yaml logs --tail=100 broker
+		fail "the local broker failed its health check"
+		;;
+	esac
+	printf '.'
+	sleep 2
+done
+
+printf ' timed out.\n'
+docker compose -f compose.yaml -f compose.tls.yaml logs --tail=100 broker
+fail "the local broker did not become healthy within 150 seconds"