Initial commit

scripts/update-from-github.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT_DIR"
+
+branch="${1:-${DEPLOY_BRANCH:-main}}"
+remote="${2:-${DEPLOY_REMOTE:-origin}}"
+
+log() {
+    printf '\n[%s] %s\n' "$(date '+%Y-%m-%d %H:%M:%S')" "$1"
+}
+
+if ! command -v git >/dev/null 2>&1; then
+    printf 'Missing required command: git\n' >&2
+    exit 1
+fi
+
+if [[ ! -d .git ]]; then
+    printf 'No .git directory found in %s\n' "$ROOT_DIR" >&2
+    printf 'Clone the repository on the server with git before using this script.\n' >&2
+    exit 1
+fi
+
+if ! git diff --quiet || ! git diff --cached --quiet; then
+    printf 'Tracked local changes detected. Commit or stash them before updating from GitHub.\n' >&2
+    exit 1
+fi
+
+log "Fetching updates from ${remote}"
+git fetch --prune "$remote"
+
+if git show-ref --verify --quiet "refs/heads/$branch"; then
+    log "Switching to branch ${branch}"
+    git checkout "$branch"
+else
+    log "Creating local branch ${branch} tracking ${remote}/${branch}"
+    git checkout -b "$branch" --track "${remote}/${branch}"
+fi
+
+log "Pulling the latest changes for ${branch}"
+git pull --ff-only "$remote" "$branch"
+
+log "Running deployment script"
+bash "$ROOT_DIR/scripts/deploy.sh"