case $- in
    *i*) INTERACTIVE=1 ;;
    *)   INTERACTIVE=0 ;;
esac

if [ -z "$XDG_RUNTIME_DIR" ]; then
    XDG_RUNTIME_DIR=$(mktemp -d "/tmp/$(id -u)-runtime-dir.XXX")
    export XDG_RUNTIME_DIR
fi

########################################################################

prepend_path() {
    if [ -d "$1" ]; then
        case ":$PATH:" in
            *:"$1":*) ;;
            *) PATH=$1:$PATH ;;
        esac
    fi
}

prepend_path "$HOME/.ghcup/bin"
prepend_path "$HOME/.cabal/bin"
prepend_path "$HOME/.cargo/bin"
prepend_path "$HOME/.mcabal/bin"
prepend_path "$HOME/.local/musl/bin"
prepend_path "$HOME/.local/bin"

export PATH

########################################################################

if [ -d /usr/local/lib/pkgconfig ]; then
    if [ -n "$PKG_CONFIG_PATH" ]; then
        PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH
    else
        PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
    fi
    export PKG_CONFIG_PATH
fi

########################################################################

export EDITOR=vi
export ALTERNATE_EDITOR=vi
export VISUAL=vi

export MORE=FRX
export LESS=FRX
export EXINIT='set ai ic nu sw=4 ts=4 nofl magic'

if command -v less >/dev/null 2>&1; then
    PAGER=less
elif command -v more >/dev/null 2>&1; then
    PAGER=more
else
    PAGER=cat
fi
export PAGER

########################################################################

HISTCONTROL=ignoreboth
HISTSIZE=1000
HISTFILESIZE=2000
export HISTCONTROL HISTSIZE HISTFILESIZE

########################################################################

if [ "$INTERACTIVE" = 1 ]; then
    color=no
    if command -v tput >/dev/null 2>&1 &&
       tput setaf 1 >/dev/null 2>&1
    then
        color=yes
    fi

    case "$TERM" in
        xterm-color|*-256color)
            color=yes
            ;;
    esac

    user=$(id -un 2>/dev/null || echo '?')
    host=$(hostname 2>/dev/null || uname -n)

    if [ "$color" = yes ]; then
        PS1="$(printf '\033[1;32m')${user}@${host}$(printf '\033[0m'):$(printf '\033[1;34m')"'$PWD'"$(printf '\033[0m')\$ "
    else
        PS1="${user}@${host}:\$PWD\$ "
    fi

    case "$TERM" in
        xterm*|rxvt*|st*|alacritty*)
            PS1="$(printf '\033]0;%s@%s: %s\007' "$user" "$host" '$PWD')$PS1"
            ;;
    esac

    export PS1
fi

########################################################################

if [ "$INTERACTIVE" = 1 ]; then

    alias cb='xclip -selection clipboard'
    alias bctl='bluetoothctl'
    alias less='less -i'

    alias e='emacs'
    alias a='emacsclient -n'
    alias femacs='fbterm -- fbterm-emacs.sh'
    alias demacs='emacs --daemon'

    alias ta='tmux attach'

    alias gl='git log --graph --all --oneline'
    alias glt='git log --graph --all --oneline --simplify-by-decoration'
    alias gs='git status'
    alias gc='git checkout'
    alias gb='git branch'
    alias gd='git diff --patch'
    alias gds='git diff --patch --cached'

    # Only define if supported.
    command -v pushd >/dev/null 2>&1 && alias pd=pushd
    command -v popd  >/dev/null 2>&1 && alias ppd=popd

    alias up='cd ..'

    alias cdp='cd "$(git worktree list --porcelain | awk '"'"'$1=="worktree"{print $2; exit}'"'"')"'

    alias ll='ls -la'
    alias l='lk'

    ls --color=auto >/dev/null 2>&1 && alias ls='ls --color=auto'
    grep --color=auto "" </dev/null >/dev/null 2>&1 && \
        alias grep='grep --color=auto'

fi

########################################################################

if [ -n "$BASH_VERSION" ]; then
    shopt -s histappend checkwinsize globstar
fi

########################################################################

if [ -n "$EAT_SHELL_INTEGRATION_DIR" ]; then
    case "$BASH_VERSION" in
        "")
            ;;
        *)
            [ -f "$EAT_SHELL_INTEGRATION_DIR/bash" ] &&
                . "$EAT_SHELL_INTEGRATION_DIR/bash"
            ;;
    esac
fi