dotfiles/config/shell/shenv

#!/usr/bin/env sh

#
# Shell common environment variables and functions (BusyBox compatible)
#

# Favourite commands
export PAGER=less
export EDITOR=nvim
export VISUAL=nvim
export BROWSER=qutebrowser

direnv() { # environment variable name, path
    export "$1"="$2"
    mkdir -p "$2"
}

# Program-specific

export JAVA_FONTS=/usr/share/fonts/TTF # 2019-04-25 Attempt to remove .java/fonts remove if it didn't work
# export ANDROID_HOME=/opt/android-sdk
# export ARDUINO=/usr/share/arduino
# export ARDUINO_DIR=$ARDUINO
# export ARDMK_VENDOR=archlinux-arduino

# Get out of my $HOME!
export BOOT9_PATH="$HOME/.local/share/citra-emu/sysdata/boot9.bin"
direnv CARGOHOME "$HOME/.cache/cargo" # There are config in there that we can version if one want
export CCACHE_CONFIGPATH="$HOME/.config/ccache.conf"
direnv CCACHE_DIR "$HOME/.cache/ccache" # The config file alone seems to be not enough
direnv DASHT_DOCSETS_DIR "$HOME/.cache/dash_docsets"
direnv GNUPGHOME "$HOME/.config/gnupg"
direnv GOPATH "$HOME/.cache/go"
direnv GRADLE_USER_HOME "$HOME/.cache/gradle"
export INPUTRC="$HOME/.config/inputrc"
export LESSHISTFILE="$HOME/.cache/lesshst"
direnv MIX_ARCHIVES "$HOME/.cache/mix/archives"
direnv MONO_GAC_PREFIX "$HOME/.cache/mono"
export NODE_REPL_HISTORY="$HOME/.cache/node_repl_history"
direnv npm_config_cache "$HOME/.cache/npm"
direnv PARALLEL_HOME "$HOME/.cache/parallel"
export PYTHONSTARTUP="$HOME/.config/pythonstartup.py"
export SCREENRC="$HOME/.config/screenrc"
export SQLITE_HISTFILE="$HOME/.cache/sqlite_history"
direnv TERMINFO "$HOME/.config/terminfo"
export RXVT_SOCKET="$HOME/.cache/urxvtd-$HOST"
export VIMINIT="source $HOME/.config/vim/loader.vim"
direnv WINEPREFIX "$HOME/.cache/wineprefix/default"
direnv YARN_CACHE_FOLDER "$HOME/.cache/yarn"
export YARN_DISABLE_SELF_UPDATE_CHECK=true # This also disable the creation of a ~/.yarnrc file
# Disabled since this causes lockups with DMs
# export XAUTHORITY="$HOME/.config/Xauthority"

# And for the rest, see aliases
direnv JUNKHOME "$HOME/.cache/junkhome"

# For software that did not understand that XDG variables have defaults
direnv XDG_DATA_HOME "$HOME/.local/share"
direnv XDG_CONFIG_HOME "$HOME/.config"
export XDG_DATA_DIRS="/usr/local/share/:/usr/share/"
export XDG_CONFIG_DIRS="/etc/xdg"
direnv XDG_CACHE_HOME "$HOME/.cache"
# Please don't set XDG_RUNTIME_DIR as it
# screw with user daemons such as PulseAudio

# Path

# Function stolen from Arch Linux /etc/profile
appendpath() {
    if [ ! -d "$1" ]; then
        return
    fi
    case ":$PATH:" in
    *:"$1":*) ;;

    *)
        export PATH="${PATH:+$PATH:}$1"
        ;;
    esac
}

prependpath() {
    if [ ! -d "$1" ]; then
        return
    fi
    case ":$PATH:" in
    *:"$1":*) ;;

    *)
        export PATH="$1${PATH:+:$PATH}"
        ;;
    esac
}

prependpath '/usr/lib/ccache/bin'
prependpath "${GOPATH}/bin"
prependpath "$HOME/.local/bin"
prependpath "$HOME/.config/scripts"

# If running on termux, load those extra scripts
[ -d /data/data/com.termux/ ] && (
    prependpath "$HOME/.termux/scripts"
    prependpath "$HOME/.termux/bin"
)

# For superseding commands with better ones if they are present

# SSH Agent


# If GPG agent is configured for SSH
if grep -q ^enable-ssh-support$ $GNUPGHOME/gpg-agent.conf 2> /dev/null
then
    # Load GPG agent
    unset SSH_AGENT_PID
    if [ "${gnupg_SSH_AUTH_SOCK_by:-0}" -ne $$ ]; then
      export SSH_AUTH_SOCK="$(gpgconf --list-dirs agent-ssh-socket)"
    fi

else
    # Start regular SSH agent if not already started
    SSH_ENV="$HOME/.ssh/agent"

    start_agent() {
        ssh-agent > "${SSH_ENV}"
        chmod 600 "${SSH_ENV}"
        . "${SSH_ENV}" > /dev/null
    }

    if [ -f "${SSH_ENV}" ]
    then
        . "${SSH_ENV}" > /dev/null
        if [ ! -d "/proc/${SSH_AGENT_PID}" ] || [ "$(cat "/proc/${SSH_AGENT_PID}/comm")" != "ssh-agent" ]
        then
            start_agent
        fi
    else
        start_agent
    fi
fi

# TODO Service sytem that works without systemd,
# and can stop processes on logout