jstmbash/init.source

#!/bin/bash
# shellcheck disable=SC1091
# jeremystartm's bashrc

# check for $TERM
if [[ ! "${TERM}" ]]; then
  echo ":: Error: \$TERM is not set. Please ensure your terminal"
  echo "          (emulator) sets this environment variable."
  env --ignore-environment bash --norc --noprofile
  exit ${?}
fi

# source configuration file
if [ -f "${HOME}/.jstmbash/config.env" ] && [ "${JSTMBASH_LOCAL_CONFIG}" != "true" ]; then
  source "${HOME}/.jstmbash/config.env"
elif [ -f "${HOME}/.config/jstmbash.env" ] && [ "${JSTMBASH_LOCAL_CONFIG}" != "true" ]; then
  source "${HOME}/.config/jstmbash.env"
elif [ -f "/etc/jstmbash/config.env" ] && [ "${JSTMBASH_LOCAL_CONFIG}" != "true" ]; then
  source "/etc/jstmbash/config.env"
elif [ -f "$(pwd)/config.env" ]; then
  source "$(pwd)/config.env"
else
  echo ":: Error: Configuration file not found."
  env --ignore-environment bash --norc --noprofile
  exit ${?}
fi

# check configuration version
case "${JSTMBASH_VERSION}" in
  "")
    echo ":: Error: Invalid configuration file."
    env --ignore-environment bash --norc --noprofile
    exit ${?}
    ;;
  "1") ;;
  *)
    echo ":: Error: Unsupported configuration version \"${JSTMBASH_VERSION}\"."
    echo "          Please migrate your configuration file to the latest version."
    env --ignore-environment bash --norc --noprofile
    exit ${?}
esac

# create directories
mkdir -p "/tmp/${UID}/"

# export xdg variables (because we can)
export "XDG_CONFIG_HOME=${HOME}/.config"
export "XDG_CACHE_HOME=${HOME}/.cache"
export "XDG_DATA_HOME=${HOME}/.local/share"
export "XDG_STATE_HOME=${HOME}/.local/state"
export "XDG_RUNTIME_DIR=/tmp/${UID}/"
export "XDG_DATA_DIRS=/usr/local/share:/usr/share:/var/lib/flatpak/exports/share:${HOME}/.local/share/flatpak/exports/share"
export "XDG_CONFIG_DIRS=/etc/xdg"

# globals
## enable or disable flow control
if [ "${JSTMBASH_GLOBAL_FLOW_CONTROL}" == "true" ]; then
  stty ixon
else
  stty -ixon
fi
## set prompt aka. $PS1 and replace "$(tput sgr0)" with ansi escape sequence
export "PS1=${JSTMBASH_GLOBAL_PROMPT}"
export "PROMPT_COMMAND=${JSTMBASH_GLOBAL_PROMPT_COMMAND}"
## set "incomplete prompt" aka. $PS2
if [ "${JSTMBASH_GLOBAL_PROMPT_INCOMPLETE}" == "true" ]; then
  export "PS2=\[\033[38;5;196m\][incomplete]: \033[0;10m"
fi
export "PS4=\${0}:\${LINENO}+ "
## set default $EDITOR
if ! which "${JSTMBASH_GLOBAL_EDITOR}" &> /dev/null; then
  echo ":: Error: Invalid editor \"${JSTMBASH_GLOBAL_EDITOR}\""
  env --ignore-environment bash --norc --noprofile
  exit ${?}
fi

# manipulate $PATH
if [ "${JSTMBASH_PATH_ENFORCE_CLEAN}" == "true" ]; then
  ## $PATH for system-wide binaries
  PATH_SYSTEM="/sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/local/games:/usr/lib/flatpak/exports/bin"
  ## $PATH for user-wide binaries
  PATH_USER="${HOME}/.local/bin:${HOME}/.local/share/flatpak/exports/bin:${HOME}/.cargo/bin"
  export "PATH=${PATH_SYSTEM}:${PATH_USER}"
  unset PATH_SYSTEM
  unset PATH_USER
fi
if [[ "${JSTM_PATH_APPENDS}" ]]; then
  export "PATH=${PATH}:${JSTM_PATH_APPENDS}"
fi

# add goodies
## extract command, very useful
if [ "${JSTMBASH_GOODIES_EXTRACT}" == "true" ]; then
  function extract(){
    if [ -n "${1}" ]; then
      echo ":: Error: No file given."
      return 1
    fi
    if [ -f "${1}" ]; then
      case "${1}" in
        *.tar|*.tar.xz) tar xf "${1}" ;;
        *.tar.bz2) tar xjf "${1}" ;;
        *.tar.gz|*.tgz) tar xzf "${1}" ;;
        *.tar.zst) unzstd "${1}" ;;
        *.tbbz2) tar xjf "${1}" ;;
        *.gz) gunzip "${1}" ;;
        *.bz2) bunzip2 "${1}" ;;
        *.rar) unrar x "${1}" ;;
        *.zip|*.jar) unzip "${1}" ;;
        *.7z) 7z x "${1}" ;;
        *.Z) uncompress "${1}" ;;
        *.deb) ar x "${1}" ;;
        *)
          echo ":: Error: Invalid archive"
          return 1
          ;;
      esac
    elif [ -d "${1}" ]; then
      ## is it a bird? is it a dir?
      echo ":: Error: Is a directory"
      return 1
    elif [ -a "${1}" ]; then
      ## if block device or something
      echo ":: Error: jeremystartm's bashrc implementation of the extract command only supports files."
      return 1
    else
      ## not found
      echo ":: Error: No such file or directory"
      return 1
    fi
  }
fi

# aliases
## replace package manager
if [ "${JSTMBASH_ALIASES_PKGMGR_REPLACE}" == "true" ]; then
  ## check if original pkgmgr exists
  if ! which "${JSTMBASH_ALIASES_PKGMGR_REPLACE_FROM}" &> /dev/null; then
    echo ":: Error: Invalid package manager \"${JSTMBASH_ALIASES_PKGMGR_REPLACE_FROM}\"."
    echo "          Please specify a valid one in \"JSTMBASH_ALIASES_PKGMGR_REPLACE_FROM\"."
    env --ignore-environment bash --norc --noprofile
    exit ${?}
  fi
  ## check if new pkgmgr exists
  if ! which "${JSTMBASH_ALIASES_PKGMGR_REPLACE_TO}" &> /dev/null; then
    echo ":: Error: Invalid package manager \"${JSTMBASH_ALIASES_PKGMGR_REPLACE_TO}\"."
    echo "          Please specify a valid one in \"JSTMBASH_ALIASES_PKGMGR_REPLACE_TO\"."
    env --ignore-environment bash --norc --noprofile
    exit ${?}
  fi
  ## replace pkgmgr
  # shellcheck disable=SC2139
  alias "${JSTMBASH_ALIASES_PKGMGR_REPLACE_FROM}=${JSTMBASH_ALIASES_PKGMGR_REPLACE_TO}"
  ## make alias to old pkgmgr, just in case
  # shellcheck disable=SC2139
  alias "${JSTMBASH_ALIASES_PKGMGR_REPLACE_FROM}-real=$(which "${JSTMBASH_ALIASES_PKGMGR_REPLACE_FROM}")"
fi
## use eza instead of ls and dir
if [ "${JSTMBASH_ALIASES_USE_EZA}" == "true" ] && which eza &> /dev/null; then
  alias "ls=eza"
  alias "dir=eza"
fi
## use bat instead of cat
if [ "${JSTMBASH_ALIASES_USE_BAT}" == "true" ] && which bat &> /dev/null; then
  alias "cat=bat"
fi
## use moar instead of less and more
if [ "${JSTMBASH_ALIASES_USE_MOAR}" == "true" ] && which moar &> /dev/null; then
  alias "more=moar"
  alias "less=moar"
  export "PAGER=moar"
fi

# make programs fancier
## makes eza fancier
if [ "${JSTMBASH_FANCIER_EZA}" == "true" ] && which eza &> /dev/null; then
  if [ "${JSTMBASH_FANCIER_EZA_LONG}" == "true" ]; then 
    export "LONGGRID=--long"
  else
    export "LONGGRID=--grid"
  fi
  if [ "${JSTMBASH_FANCIER_EZA_DIRECTORIES_BEFORE_FILES}" == "true" ]; then 
    export "DIRS_BEFORE_FILES= --group-directories-first"
  else
    unset DIRS_BEFORE_FILES
  fi
  if [ "${JSTMBASH_FANCIER_EZA_SIZE1000}" == "true" ]; then 
    unset SIZE1000
  else
    export "SIZE1000= --binary"
  fi
  if [ "${JSTMBASH_FANCIER_EZA_DISPLAY_MOUNTS}" == "true" ]; then 
    unset DISPLAYMOUNTS
  else
    export "DISPLAYMOUNTS= --mounts"
  fi
  if [ "${JSTMBASH_FANCIER_EZA_OCTAL_PERMISSIONS}" == "true" ]; then 
    export "OCTALPERMS= --octal-permissions --no-permissions"
  else
    unset OCTALPERMS
  fi
  if [ "${JSTMBASH_FANCIER_EZA_GITINFO}" == "true" ]; then 
    export "GITINFO= --git"
  else
    export "GITINFO= --no-git"
  fi
  ## arguments to avoid redundancy
  EZA_ARGUMENTS="${LONGGRID} --color=always --color-scale=size --color-scale-mode=fixed --no-quotes --smart-group --almost-all --sort name${DIRS_BEFORE_FILES}${SIZE1000}${DISPLAY_MOUNTS}${OCTALPERMS}"
  # shellcheck disable=SC2139
  alias "eza=$(which eza) ${EZA_ARGUMENTS}"
  if [ "${JSTMBASH_ALIASES_USE_EZA}" == "true" ]; then
    # shellcheck disable=SC2139
    alias "ls=$(which eza) ${EZA_ARGUMENTS}"
    # shellcheck disable=SC2139
    alias "dir=$(which eza) ${EZA_ARGUMENTS}"
  fi
  unset LONGGRID
  unset DIRS_BEFORE_FILES
  unset SIZE1000
  unset DISPLAYMOUNTS
  unset GITINFO
  unset EZA_ARGUMENTS
fi
## makes bat fancier
if [ "${JSTMBASH_FANCIER_BAT}" == "true" ] && which bat &> /dev/null; then
  ## check if moar should be bat's pager
  if [ "${JSTMBASH_FANCIER_BAT_USE_MOAR}" == "true" ] && which moar &> /dev/null; then
    export "env PAGER=moar -colors 16M --no-linenumbers --statusbar bold "
  fi
  BAT_ARGUMENTS="--decorations=always --color=always --theme=Dracula --italic-text=always --wrap=never --nonprintable-notation=caret --paging=auto --style full"
  # shellcheck disable=SC2139
  alias "bat=${PAGER}$(which bat) ${BAT_ARGUMENTS}"
  if [ "${JSTMBASH_ALIASES_USE_BAT}" == "true" ]; then
    # shellcheck disable=SC2139
    alias "cat=$(which bat) ${BAT_ARGUMENTS}"
  fi
  unset PAGER
  unset BAT_ARGUMENTS
fi
## makes moar fancier
if [ "${JSTMBASH_FANCIER_MOAR}" == "true" ] && which moar &> /dev/null; then
  ## arguments to avoid redundancy
  MOAR_ARGUMENTS="-colors 16M -statusbar bold --style ${JSTMBASH_FANCIER_MOAR_STYLE}"
  # shellcheck disable=SC2139
  alias "moar=$(which moar) ${MOAR_ARGUMENTS}"
  if [ "${JSTMBASH_ALIASES_USE_MOAR}" == "true" ]; then
    # shellcheck disable=SC2139
    alias "more=moar ${MOAR_ARGUMENTS}"
    # shellcheck disable=SC2139
    alias "less=moar ${MOAR_ARGUMENTS}"
    export "PAGER=moar ${MOAR_ARGUMENTS}"
  fi
  unset MOAR_ARGUMENTS
fi
## makes ytfzf fancier
if [ "${JSTMBASH_FANCIER_YTFZF}" == "true" ] && which ytfzf &> /dev/null; then
  ## check for valid thumbnail viewer
  case "${JSTMBASH_FANCIER_YTFZF_THUMBVIEWER}" in
    "chafa") ;;
    "catimg") ;;
    "imv") ;;
    "mpv") ;;
    "swayimg") ;;
    "swayimg-hyprland") ;;
    *)
      echo ":: Error: Invalid ytfzf thumbnail viewer \"${JSTMBASH_FANCIER_YTFZF_THUMBVIEWER}\""
      env --ignore-environment bash --norc --noprofile
      exit ${?}
      ;;
  esac
  ## *bonk*
  if [ "${JSTMBASH_FANCIER_YTFZF_NSFW}" == "true" ]; then
    export "NSFW=--nsfw"
  else
    unset NSFW
  fi
  ## subtitles
  if [ "${JSTMBASH_FANCIER_YTFZF_SUBTITLES}" == "true" ]; then
    export "SUBTITLES=--features=subtitles"
  else
    unset SUBTITLES
  fi
  # shellcheck disable=SC2139
  alias "ytfzf=ytfzf --formats --format-selection=normal --search-again --show-thumbnails --async-thumbnails --thumb-viewer=${JSTMBASH_FANCIER_YTFZF_THUMBVIEWER} --scrape=youtube,invidious-channel,url --force-invidious --pages=5 --max-threads=${JSTMBASH_GLOBAL_THREADS} ${NSFW} --sort-by=relevance --video-duration=short --thumbnail-quality=maxres ${SUBTITLES} --rii --search-source=prompt"
  unset NSFW
  unset SUBTITLES
fi

# display warnings
if [ "${JSTMBASH_WARNINGS_NO_TRUECOLOR}" == "true" ] && [ "${COLORTERM}" != "truecolor" ]; then
  echo ":: Warning: Your terminal (emulator) does not provide truecolor support."
  echo "            Things may break! If you think this is an false-positive set"
  echo "            \"JSTMBASH_WARNINGS_NO_TRUECOLOR\" to false to avoid seeing this message."
fi
if [ "${JSTMBASH_WARNINGS_EXA_UNMAINTAINED}" == "true" ] && which exa &> /dev/null; then
  echo ":: Warning: exa is unmaintained software and should be avoided."
  echo "            Use eza (https://eza.rocks) as a replacement."
fi