#!/bin/sh # dsh one-line installer. # # curl -fsSL https://raw.githubusercontent.com/deepseek-harness/deepseek-harness/master/scripts/install.sh | sh # # It clones the harness to ~/.dsh/source, checks host dependencies (git, Node, # pnpm) and offers to install a missing pnpm, runs `pnpm install` (no build — # the `bin/dsh` launcher runs the TypeScript source through the repo's own tsx), # symlinks `dsh` onto PATH, records your API credentials in the Harness home # (`~/.dsh`) dsh reads at boot, and drops you into `dsh`. # # When run from inside an existing checkout (e.g. `sh scripts/install.sh` rather # than `curl ... | sh`) it reuses that checkout and skips the clone/update, leaving # the working tree untouched; DSH_REF is ignored in that mode. Setting DSH_SOURCE # to a different directory opts back into the normal clone/update path. # # When run through `curl | sh` the script text arrives on stdin, so every # prompt and the final launch read the controlling terminal (/dev/tty) directly; # with no terminal the script prints the manual next steps instead. # # Overridable via environment: # DSH_REF branch or tag to clone/checkout (default: master) # DSH_REPO clone URL (default: the GitHub repo) # DSH_SOURCE checkout location (default: ~/.dsh/source) # DSH_BIN_DIR directory the `dsh` symlink lands in (default: ~/.local/bin) # DSH_HOME Harness home holding the personal config (default: ~/.dsh) # FIXME(install-ts): Move the post-checkout workflow into a tested TypeScript # entrypoint; keep this POSIX shell file as the curl/source bootstrap. set -eu DSH_REF=${DSH_REF:-master} DSH_REPO=${DSH_REPO:-https://github.com/deepseek-harness/deepseek-harness.git} # Remember whether the caller pinned a source location before defaulting it, so # in-repo detection only repoints an unset DSH_SOURCE. if [ -n "${DSH_SOURCE:-}" ]; then DSH_SOURCE_EXPLICIT=1; else DSH_SOURCE_EXPLICIT=0; fi DSH_SOURCE=${DSH_SOURCE:-$HOME/.dsh/source} DSH_BIN_DIR=${DSH_BIN_DIR:-$HOME/.local/bin} # --- in-repo detection --------------------------------------------------------- # Under `curl ... | sh` the script text arrives on stdin, so $0 is the shell # name and no file path resolves; running a checked-out copy (`sh # scripts/install.sh`) makes $0 the script file. When $0 is a readable file whose # parent is a scripts/ dir inside a real dsh checkout (bin/dsh launcher present), # reuse that checkout and skip the clone. An explicit DSH_SOURCE pointing # elsewhere opts back into the clone/update path. IN_REPO=0 if [ -f "$0" ]; then _self_dir=$(CDPATH= cd -- "$(dirname -- "$0")" 2>/dev/null && pwd -P) || _self_dir='' if [ -n "$_self_dir" ]; then _repo_root=$(dirname -- "$_self_dir") if [ "$(basename -- "$_self_dir")" = scripts ] \ && [ -x "$_repo_root/bin/dsh" ] && [ -f "$_repo_root/scripts/install.sh" ]; then if [ "$DSH_SOURCE_EXPLICIT" = 0 ] || [ "$DSH_SOURCE" = "$_repo_root" ]; then IN_REPO=1 DSH_SOURCE=$_repo_root fi fi fi fi # --- terminal-aware prompting -------------------------------------------------- # stdin is the piped script, so read the controlling terminal for input. if { true /dev/null; then HAS_TTY=1 # Restore terminal echo on exit or interrupt: ask_secret disables echo between # its stty toggles, and dash (a common `sh`) does not run an EXIT trap when the # shell is killed by a signal, so the fatal signals need their own handler. A # successful run ends in exec, which replaces this process and drops the traps. trap 'stty echo /dev/null || true' EXIT trap 'stty echo /dev/null || true; exit 130' INT TERM HUP else HAS_TTY=0 fi # Colour only when writing to a terminal. if [ -t 1 ]; then B=$(printf '\033[1m'); DIM=$(printf '\033[2m'); RED=$(printf '\033[31m') GRN=$(printf '\033[32m'); YEL=$(printf '\033[33m'); RST=$(printf '\033[0m') else B=''; DIM=''; RED=''; GRN=''; YEL=''; RST='' fi info() { printf '%s==>%s %s\n' "$GRN" "$RST" "$1"; } step() { printf '\n%s==>%s %s%s%s\n' "$GRN" "$RST" "$B" "$1" "$RST"; } warn() { printf '%s warn%s %s\n' "$YEL" "$RST" "$1" >&2; } die() { printf '%serror%s %s\n' "$RED" "$RST" "$1" >&2; exit 1; } # ask PROMPT [DEFAULT] -> answer on stdout (plain-text line). ask() { [ "$HAS_TTY" = 1 ] || die "no terminal available for input; re-run in an interactive shell" printf '%s%s%s ' "$B" "$1" "$RST" >/dev/tty IFS= read -r _ans answer on stdout, with terminal echo suppressed. ask_secret() { [ "$HAS_TTY" = 1 ] || die "no terminal available for input; re-run in an interactive shell" printf '%s%s%s ' "$B" "$1" "$RST" >/dev/tty stty -echo /dev/null || true IFS= read -r _sec /dev/null || true printf '\n' >/dev/tty printf '%s' "$_sec" } # confirm PROMPT [Y] -> exit 0 on yes. Default is no unless second arg is "Y". confirm() { _def=${2:-N} if [ "$HAS_TTY" != 1 ]; then [ "$_def" = Y ] # non-interactive: take the default return fi if [ "$_def" = Y ]; then _hint='[Y/n]'; else _hint='[y/N]'; fi printf '%s%s%s %s ' "$B" "$1" "$RST" "$_hint" >/dev/tty IFS= read -r _r /dev/null 2>&1 || die "git is required but not found. Install git, then re-run." info "git ... ok" # Node ^22.19.0 || >=24.0.0 (see the root package.json "engines" field). node_ok() { command -v node >/dev/null 2>&1 || return 1 _v=$(node -v 2>/dev/null) || return 1 _v=${_v#v} _major=${_v%%.*} _rest=${_v#*.} _minor=${_rest%%.*} case "$_major" in ''|*[!0-9]*) return 1 ;; esac case "$_minor" in ''|*[!0-9]*) _minor=0 ;; esac [ "$_major" -ge 24 ] && return 0 [ "$_major" -eq 22 ] && [ "$_minor" -ge 19 ] && return 0 return 1 } if node_ok; then info "node $(node -v) ... ok" else if command -v node >/dev/null 2>&1; then die "Node $(node -v) is unsupported. dsh needs ^22.19.0 || >=24.0.0 — upgrade Node, then re-run." fi die "Node is required but not found. Install Node ^22.19.0 || >=24, then re-run." fi # pnpm is the only dependency we offer to install for you. if command -v pnpm >/dev/null 2>&1; then info "pnpm $(pnpm --version 2>/dev/null) ... ok" else warn "pnpm is not installed." if confirm "Install pnpm now?" Y; then if command -v corepack >/dev/null 2>&1 && corepack enable pnpm >/dev/null 2>&1; then info "enabled pnpm via corepack" elif command -v npm >/dev/null 2>&1 && npm install -g pnpm >/dev/null 2>&1; then info "installed pnpm via npm" else die "could not install pnpm automatically. Install it (https://pnpm.io/installation), then re-run." fi command -v pnpm >/dev/null 2>&1 || die "pnpm still not on PATH after install. Open a new shell, then re-run." else die "pnpm is required. Install it (https://pnpm.io/installation), then re-run." fi fi # --- 2. clone (or update) the source ------------------------------------------ if [ "$IN_REPO" = 1 ]; then step "Using existing checkout at $DSH_SOURCE" info "running from inside the repo — skipping clone (DSH_REF ignored, working tree left untouched)" else step "Fetching source into $DSH_SOURCE" if [ -d "$DSH_SOURCE/.git" ]; then info "existing checkout found — updating" git -C "$DSH_SOURCE" fetch --depth 1 origin "$DSH_REF" # Reset the checkout to the freshly fetched tip. FETCH_HEAD (not # origin/) so this resolves for a tag as well as a branch, and -B makes # the re-run idempotent whether or not DSH_REF changed since the last install. git -C "$DSH_SOURCE" checkout -q -B "$DSH_REF" FETCH_HEAD else mkdir -p "$(dirname "$DSH_SOURCE")" git clone --depth 1 --branch "$DSH_REF" "$DSH_REPO" "$DSH_SOURCE" fi fi # --- 3. install dependencies (no build; the launcher runs from source) -------- step "Installing dependencies with pnpm (this can take a while)" ( cd "$DSH_SOURCE" && pnpm install ) [ -x "$DSH_SOURCE/bin/dsh" ] || die "launcher $DSH_SOURCE/bin/dsh missing after install — is DSH_REF a branch that ships apps/cli?" # --- 4. put `dsh` on PATH ------------------------------------------------------ step "Linking dsh into $DSH_BIN_DIR" mkdir -p "$DSH_BIN_DIR" ln -sf "$DSH_SOURCE/bin/dsh" "$DSH_BIN_DIR/dsh" info "linked $DSH_BIN_DIR/dsh -> $DSH_SOURCE/bin/dsh" case ":$PATH:" in *":$DSH_BIN_DIR:"*) ON_PATH=1 ;; *) ON_PATH=0 ;; esac if [ "$ON_PATH" = 0 ]; then warn "$DSH_BIN_DIR is not on your PATH." _line="export PATH=\"$DSH_BIN_DIR:\$PATH\"" _rc='' _sh=${SHELL:-} # SHELL may be unset; word-removal on an unset var trips set -u under dash. case "${_sh##*/}" in zsh) _rc="$HOME/.zshrc" ;; bash) _rc="$HOME/.bashrc" ;; esac if [ -n "$_rc" ] && [ -f "$_rc" ] && grep -qF "$_line" "$_rc" 2>/dev/null; then info "$_rc already exports $DSH_BIN_DIR — open a new shell to pick it up" elif [ -n "$_rc" ] && confirm "Add it to $_rc?" Y; then printf '\n# Added by the dsh installer\n%s\n' "$_line" >>"$_rc" info "updated $_rc — run 'source $_rc' or open a new shell to pick it up" else warn "add this line to your shell profile yourself:" printf ' %s\n' "$_line" fi fi # --- 5. credentials ------------------------------------------------------------ # Mirror app-boot's resolveDshHome precedence ($DSH_HOME, else ~/.dsh) so creds land where dsh reads them. if [ -n "${DSH_HOME:-}" ]; then CONF="$DSH_HOME" else CONF="$HOME/.dsh" fi ENV_FILE="$CONF/.env" step "Configuring credentials" if [ -f "$ENV_FILE" ] && grep -q '^DEEPSEEK_API_KEY=' "$ENV_FILE" 2>/dev/null; then info "DEEPSEEK_API_KEY already set in $ENV_FILE" if ! confirm "Replace it?" N; then SKIP_CREDS=1 fi fi if [ "${SKIP_CREDS:-0}" != 1 ]; then if [ "$HAS_TTY" = 1 ]; then API_KEY=$(ask_secret "DeepSeek API key (input hidden):") if [ -z "$API_KEY" ]; then warn "no key entered — skipping. Set DEEPSEEK_API_KEY in $ENV_FILE before using dsh." else BASE_URL=$(ask "DeepSeek base URL (optional, Enter to skip):") mkdir -p "$CONF" # The installer owns exactly the two DEEPSEEK_* lines; any other lines the # user keeps in this .env are preserved. The rewrite happens in a subshell # so umask 077 (which closes the create-time permission race) does not leak # into the exec'd dsh, and lands atomically via a same-dir temp + mv. _tmp="$ENV_FILE.dsh.$$" ( umask 077 if [ -f "$ENV_FILE" ]; then grep -v -e '^DEEPSEEK_API_KEY=' -e '^DEEPSEEK_BASE_URL=' "$ENV_FILE" >"$_tmp" || true else : >"$_tmp" fi printf 'DEEPSEEK_API_KEY=%s\n' "$API_KEY" >>"$_tmp" if [ -n "$BASE_URL" ]; then printf 'DEEPSEEK_BASE_URL=%s\n' "$BASE_URL" >>"$_tmp"; fi ) mv "$_tmp" "$ENV_FILE" chmod 600 "$ENV_FILE" 2>/dev/null || true info "wrote $ENV_FILE" fi else warn "no terminal for credential input — set DEEPSEEK_API_KEY in $ENV_FILE before using dsh." fi fi # --- 6. launch ----------------------------------------------------------------- step "Done" if [ "$HAS_TTY" = 1 ]; then info "launching dsh — run 'dsh' anytime to start again" exec "$DSH_BIN_DIR/dsh"