zshenv

# Important environment variables
## define utilities
get_var () {
  eval 'printf "%s\n" "${'"$1"'}"'
}
set_var () {
  eval "$1=\"\$2\""
}
dedup_var () {
  var_name="$1"
  var_value="$(get_var "$var_name")"
  deduped_var="$(perl -e 'print join(":",grep { not $seen{$_}++  } split(/:/, $ARGV[0]))' "$var_value")"
  set_var "$var_name" "$deduped_var"
}
add_to_var () {
  var_name="$1"
  var_value="$(get_var "$var_name")"
  case ":$var_value:" in
    *:"$2":*)
      ;;
    *)
      if [ "$3" = "after" ] ; then
        new_var=$var_value:$2
      else
        new_var=$2:$var_value
      fi
      set_var "$var_name" "$new_var"
  esac
}
## munge PATH
dedup_var PATH
add_to_var PATH "$HOME/.conda/envs/app/bin"
add_to_var PATH "$HOME/.cargo/bin"
add_to_var PATH "$HOME/.local/bin"
add_to_var PATH "$HOME/download/nvim-linux64/bin"
add_to_var PATH "$HOME/download/typos-vscode/target/release"
add_to_var PATH "$HOME/download/linux_binaries/xclip/bin" after
## munge LD_LIBRARY_PATH
dedup_var LD_LIBRARY_PATH
add_to_var LD_LIBRARY_PATH "$HOME/.conda/envs/app/lib" after
add_to_var LD_LIBRARY_PATH /usr/local/lib
add_to_var LD_LIBRARY_PATH /usr/local/lib64
# enable 256 color
if [ -n "$TMUX" ]; then
  export TERM="tmux-256color"
else
  export TERM="xterm-256color"
fi
## enable mouse in less
export LESS="--mouse --wheel-lines=3"
## define other useful variables
export C_INCLUDE_PATH=$C_INCLUDE_PATH:/usr/local/include
export CPLUS_INCLUDE_PATH=$C_INCLUDE_PATH
## undef utilities
unset -f get_var set_var dedup_var add_to_var

# mkdir + cd
mcd () {
  mkdir -p "$@" && cd "${@:$#}" || return 1
}

# vim -> nvim
vim () {
  if (( $+commands[nvim] )); then
    /usr/bin/env nvim "$@"
  else
    /usr/bin/env vim "$@"
  fi
}
alias vi=vim

# Other configurations
## git editor
(( $+commands[nvim] )) && export EDITOR=nvim
## proxy server
#export ALL_PROXY=socks5://localhost:1080
## using ccache for cmake
export CMAKE_C_COMPILER_LAUNCHER=ccache
export CMAKE_CXX_COMPILER_LAUNCHER=ccache
export CMAKE_CUDA_COMPILER_LAUNCHER=ccache