#!/usr/bin/env sh set -eu DAY_SHIFT_DEFAULT_VERSION='0.2.23' DAY_SHIFT_COMMAND_NAME='day-shift' DAY_SHIFT_ORIGIN='https://tnsds.tech/downloads/' DAY_SHIFT_VERSION=${DAY_SHIFT_VERSION:-$DAY_SHIFT_DEFAULT_VERSION} DAY_SHIFT_INSTALL_DIR=${DAY_SHIFT_INSTALL_DIR:-$HOME/.local/day-shift} DAY_SHIFT_BIN_DIR=${DAY_SHIFT_BIN_DIR:-$HOME/.local/bin} log() { printf '[day-shift] %s\n' "$1" } fail() { printf '[day-shift] ERROR: %s\n' "$1" >&2 exit 1 } begin_step() { current_step=$1 step_started_at=$(date +%s) log "$current_step..." } finish_step() { step_finished_at=$(date +%s) step_elapsed=$((step_finished_at - step_started_at)) log "$current_step complete (${step_elapsed}s)." } download_file() { download_label=$1 download_url=$2 download_destination=$3 begin_step "$download_label" log "Source: $download_url" if ! curl --fail --show-error --location --progress-bar --connect-timeout 15 --max-time 600 --speed-limit 1024 --speed-time 30 "$download_url" -o "$download_destination"; then fail "$download_label failed from $download_url. Check the network connection and DAY_SHIFT_ORIGIN, then retry." fi finish_step } need_command() { command -v "$1" >/dev/null 2>&1 || fail "Missing required command: $1" } version_ge_20() { node_version=$(node --version 2>/dev/null | sed 's/^v//') node_major=${node_version%%.*} case "$node_major" in ''|*[!0-9]*) return 1 ;; esac [ "$node_major" -ge 20 ] } log "Starting Day Shift installation (requested version: $DAY_SHIFT_VERSION)." begin_step 'Checking prerequisites' need_command node need_command tar need_command shasum version_ge_20 || fail 'Day Shift requires system Node.js >=20.0.0 before installation changes are made.' finish_step resolve_script_dir() { script_path=$0 while [ -L "$script_path" ]; do script_dir=$(CDPATH= cd -- "$(dirname -- "$script_path")" && pwd) link_target=$(readlink "$script_path") case "$link_target" in /*) script_path=$link_target ;; *) script_path=$script_dir/$link_target ;; esac done CDPATH= cd -- "$(dirname -- "$script_path")" && pwd } validate_installer_manifest_json() { manifest_candidate_path=$1 manifest_candidate_source=$2 node -e "const fs=require('fs'); const manifestPath=process.argv[1]; const manifestSource=process.argv[2]; let text=''; try { text=fs.readFileSync(manifestPath,'utf8'); } catch (error) { console.error('Failed to read downloaded installer manifest.'); process.exit(1); } try { const parsed=JSON.parse(text); if(!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) throw new Error('shape'); } catch (error) { const trimmed=text.trimStart(); const likelyHtml=/^\s]/i.test(trimmed) || /^\s]/i.test(trimmed); const reason=likelyHtml ? 'The download returned HTML instead of JSON.' : 'The download did not contain valid JSON.'; console.error('Downloaded installer manifest from ' + manifestSource + ' could not be parsed. ' + reason); console.error('Check that DAY_SHIFT_ORIGIN points at the published downloads directory and that installer-manifest.json is reachable there.'); process.exit(1); }" "$manifest_candidate_path" "$manifest_candidate_source" || fail 'Downloaded installer manifest is invalid.' } work_dir=$(mktemp -d 2>/dev/null || mktemp -d -t day-shift-install) cleanup() { rm -rf "$work_dir"; } trap cleanup EXIT INT TERM script_dir=$(resolve_script_dir) local_manifest_path="$script_dir/installer-manifest.json" manifest_path="$work_dir/installer-manifest.json" manifest_source='' use_local_release_assets=false if [ -f "$local_manifest_path" ]; then manifest_path="$local_manifest_path" manifest_source="$local_manifest_path" use_local_release_assets=true log "Using bundled installer manifest: $manifest_source" else need_command curl manifest_url="${DAY_SHIFT_ORIGIN%/}/installer-manifest.json" if [ "$DAY_SHIFT_VERSION" != latest ]; then manifest_url="${DAY_SHIFT_ORIGIN%/}/$DAY_SHIFT_VERSION/installer-manifest.json" fi download_file 'Downloading installer manifest' "$manifest_url" "$manifest_path" manifest_source="$manifest_url" fi begin_step 'Validating installer manifest' validate_installer_manifest_json "$manifest_path" "$manifest_source" resolved_version=$(node -e "const fs=require('fs'); const m=JSON.parse(fs.readFileSync(process.argv[1],'utf8')); if(!m.version || m.version === 'latest') process.exit(2); process.stdout.write(m.version);" "$manifest_path") archive_filename=$(node -e "const fs=require('fs'); const m=JSON.parse(fs.readFileSync(process.argv[1],'utf8')); const a=(m.artifacts||[]).find((item)=>item.target==='macos-linux' && item.kind==='archive' && item.runtimeModel==='system-node'); if(!a) process.exit(2); process.stdout.write(a.filename);" "$manifest_path") archive_sha256=$(node -e "const fs=require('fs'); const m=JSON.parse(fs.readFileSync(process.argv[1],'utf8')); const a=(m.artifacts||[]).find((item)=>item.target==='macos-linux' && item.kind==='archive' && item.runtimeModel==='system-node'); if(!a || !/^[a-f0-9]{64}$/.test(a.sha256)) process.exit(2); process.stdout.write(a.sha256);" "$manifest_path") manifest_command=$(node -e "const fs=require('fs'); const m=JSON.parse(fs.readFileSync(process.argv[1],'utf8')); if(!m.command || !m.command.installedName) process.exit(2); process.stdout.write(m.command.installedName);" "$manifest_path") [ "$manifest_command" = "$DAY_SHIFT_COMMAND_NAME" ] || DAY_SHIFT_COMMAND_NAME=$manifest_command finish_step log "Resolved Day Shift $resolved_version ($archive_filename)." archive_path="$work_dir/$archive_filename" extract_dir="$work_dir/extract" stage_dir="$work_dir/stage" if [ "$use_local_release_assets" = true ]; then [ "$DAY_SHIFT_VERSION" = latest ] || [ "$DAY_SHIFT_VERSION" = "$resolved_version" ] || fail "Local installer assets are for version $resolved_version, but DAY_SHIFT_VERSION requested $DAY_SHIFT_VERSION." archive_path="$script_dir/$archive_filename" [ -f "$archive_path" ] || fail "Local installer expected archive '$archive_filename' next to install.sh." log "Using bundled release archive: $archive_path" else archive_url="${DAY_SHIFT_ORIGIN%/}/$resolved_version/$archive_filename" download_file 'Downloading release archive' "$archive_url" "$archive_path" fi begin_step 'Verifying release archive checksum' printf '%s %s\n' "$archive_sha256" "$archive_path" | shasum -a 256 -c - >/dev/null finish_step begin_step 'Extracting release archive' mkdir -p "$extract_dir" "$stage_dir" tar -xzf "$archive_path" -C "$extract_dir" payload_root=$(find "$extract_dir" -mindepth 1 -maxdepth 1 -type d | head -n 1) [ -n "$payload_root" ] || fail 'Downloaded archive did not contain an installable payload directory.' finish_step begin_step 'Staging release files' cp -R "$payload_root/." "$stage_dir/" finish_step begin_step 'Activating installation' mkdir -p "$DAY_SHIFT_INSTALL_DIR" "$DAY_SHIFT_BIN_DIR" rm -rf "$DAY_SHIFT_INSTALL_DIR.previous" if [ -e "$DAY_SHIFT_INSTALL_DIR/current" ]; then mv "$DAY_SHIFT_INSTALL_DIR/current" "$DAY_SHIFT_INSTALL_DIR.previous" fi mv "$stage_dir" "$DAY_SHIFT_INSTALL_DIR/current" ln -sf "$DAY_SHIFT_INSTALL_DIR/current/bin/$DAY_SHIFT_COMMAND_NAME" "$DAY_SHIFT_BIN_DIR/$DAY_SHIFT_COMMAND_NAME" finish_step printf 'Installed Day Shift %s\n' "$resolved_version" printf 'Executable: %s\n' "$DAY_SHIFT_BIN_DIR/$DAY_SHIFT_COMMAND_NAME" printf 'Command: %s\n' "$DAY_SHIFT_COMMAND_NAME" printf 'If %s is not found, run: export PATH="%s:$PATH"\n' "$DAY_SHIFT_COMMAND_NAME" "$DAY_SHIFT_BIN_DIR" printf 'Persist PATH in your shell profile (for example ~/.zshrc or ~/.bashrc), then open a new shell or source the profile.\n'