#!/usr/bin/env bash # ############################################################################ # SCRIPT: get-jb.sh # # PACKAGE: just-bashit version 0.2.0 # # ############################################################################ # Installs just-runit (just-buildit / jb / jbx) to ~/.local/bin. # # # # Must be sourced so PATH exports reach the calling shell: # # . <(curl -sSL https://just-buildit.github.io/get-jb.sh) # # # # To force reinstall even when already current: # # JB_REINSTALL=1 . <(curl -sSL https://just-buildit.github.io/get-jb.sh) # ############################################################################ # Wrapped in a function so locals don't leak and we can clean up afterward. _jb_install() { local INSTALL_DIR="${HOME}/.local/bin" local RAW_BASE RAW_BASE="https://raw.githubusercontent.com/just-buildit/just-bashit/main/src/just_bashit" local RUNIT_URL="${RAW_BASE}/just-runit" local BASHRC="${HOME}/.bashrc" local BOLD="\033[1m" local GREEN="\033[1;32m" local CYAN="\033[1;36m" local YELLOW="\033[1;33m" local RESET="\033[0m" _jb_say() { printf "${CYAN} -> ${RESET}${BOLD}%s${RESET}\n" "$*"; } _jb_ok() { printf "${GREEN} ok ${RESET}%s\n" "$*"; } _jb_warn() { printf "${YELLOW} !! ${RESET}%s\n" "$*"; } # -- disclaimer ------------------------------------------------------------ printf '%b' "${YELLOW}${BOLD}" printf ' +----------------------------------------------------------+\n' printf ' | This script is provided AS IS, without warranty of any |\n' printf ' | kind. Review the source before running: |\n' printf ' | https://just-buildit.github.io/get-jb.sh |\n' printf ' | |\n' printf ' | The tool it installs fetches and executes arbitrary |\n' printf ' | code from URLs you provide. It performs no review, |\n' printf ' | scanning, or sandboxing. You are solely responsible |\n' printf ' | for what you choose to run. |\n' printf ' | |\n' printf ' | Use at your own risk. |\n' printf ' +----------------------------------------------------------+\n' printf '%b\n' "${RESET}" # -- install dir ----------------------------------------------------------- _jb_say "install dir: ${INSTALL_DIR}" mkdir -p "${INSTALL_DIR}" # -- version-aware download ----------------------------------------------- local tmp_runit tmp_runit=$(mktemp /tmp/just-runit.XXXXXX) # shellcheck disable=SC2064 trap "rm -f '${tmp_runit}'" RETURN _jb_say "fetching jb from ${RUNIT_URL}" if ! curl -sSL --proto '=https' --tlsv1.2 -o "${tmp_runit}" "${RUNIT_URL}"; then printf "\033[1;31m !! \033[0mfailed to download jb\n" >&2 return 1 fi local new_ver new_ver=$(grep '^_VERSION=' "${tmp_runit}" | cut -d'"' -f2) new_ver="${new_ver:-unknown}" local installed="${INSTALL_DIR}/just-runit" if [[ -x ${installed} ]]; then local cur_ver cur_ver=$(grep '^_VERSION=' "${installed}" | cut -d'"' -f2) cur_ver="${cur_ver:-unknown}" if [[ ${cur_ver} == "${new_ver}" && ${JB_REINSTALL:-0} != "1" ]]; then _jb_ok "already at v${cur_ver} — set JB_REINSTALL=1 to force reinstall" else if [[ ${cur_ver} != "${new_ver}" ]]; then _jb_say "upgrading v${cur_ver} -> v${new_ver}" else _jb_say "reinstalling v${new_ver}" fi cp "${tmp_runit}" "${installed}" chmod +x "${installed}" _jb_ok "jb v${new_ver} installed" fi else _jb_say "installing v${new_ver}" cp "${tmp_runit}" "${installed}" chmod +x "${installed}" _jb_ok "jb v${new_ver} installed" fi # -- remove stale aliases from prior naming schemes ----------------------- local stale for stale in jr jx; do local stale_path="${INSTALL_DIR}/${stale}" if [[ -L ${stale_path} && "$(readlink -f "${stale_path}")" == "$(readlink -f "${INSTALL_DIR}/just-runit")" ]]; then rm -f "${stale_path}" _jb_warn "removed stale alias: ${stale}" fi done # -- just-buildit symlink (always created — canonical long name) ----------- ln -sf just-runit "${INSTALL_DIR}/just-buildit" _jb_ok "just-buildit -> just-runit" # -- jb symlink (short alias — skipped if jb is already someone else's) --- local _jb_cmd _jb_cmd="$(command -v jb 2>/dev/null || true)" local _JB_NAME="jb" if [[ -n ${_jb_cmd} && "$(readlink -f "${_jb_cmd}")" != "$(readlink -f "${INSTALL_DIR}/just-runit")" ]]; then _jb_warn "'jb' is already in use (${_jb_cmd}) — skipping short alias" _jb_warn "use 'just-buildit' instead (always available)" _JB_NAME="just-buildit" else ln -sf just-runit "${INSTALL_DIR}/jb" _jb_ok "jb -> just-runit" fi # -- jbx symlink (runner shorthand, always created) ----------------------- ln -sf just-runit "${INSTALL_DIR}/jbx" _jb_ok "jbx -> just-runit" # -- PATH ------------------------------------------------------------------ if [[ ":${PATH}:" != *":${INSTALL_DIR}:"* ]]; then _jb_say "adding ${INSTALL_DIR} to PATH (current shell)" export PATH="${INSTALL_DIR}:${PATH}" # shellcheck disable=SC2016 local entry='export PATH="${HOME}/.local/bin:${PATH}"' if ! grep -qF '.local/bin' "${BASHRC}" 2>/dev/null; then _jb_say "persisting PATH to ${BASHRC}" printf '\n%s\n' "${entry}" >>"${BASHRC}" _jb_ok "added to ${BASHRC}" else _jb_warn "${BASHRC} already references .local/bin — skipped" fi else _jb_ok "${INSTALL_DIR} already in PATH" fi # -- uv (enables Python PEP 723 dep resolution) --------------------------- if command -v uv >/dev/null 2>&1; then _jb_ok "uv found — Python PEP 723 support ready" else _jb_say "installing uv (Python PEP 723 support)" "${INSTALL_DIR}/just-runit" https://astral.sh/uv/install.sh if command -v uv >/dev/null 2>&1; then _jb_ok "uv installed" else _jb_warn "uv installed — open a new shell if 'uv' isn't found" fi fi # -- confirm --------------------------------------------------------------- printf '\n%b\n\n' "${GREEN}${BOLD} just-buildit is ready.${RESET}" printf ' %b%s -h%b show help\n' \ "${BOLD}" "${_JB_NAME}" "${RESET}" printf ' %b%s run just-bashit:datetime iso-8601-basic%b quick test\n\n' \ "${BOLD}" "${_JB_NAME}" "${RESET}" } _jb_install "$@" unset -f _jb_install _jb_say _jb_ok _jb_warn