.bashrc


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# Debian packages: fzf

# If not running interactively, don't do anything else
[ -z "$PS1" ] && return

if [ -f $HOME/.environment ]; then
    . $HOME/.environment
fi

export HISTFILESIZE=
export HISTSIZE=

eval `dircolors 2>/dev/null`

# don't put duplicate lines in the history
export HISTCONTROL=$HISTCONTROL${HISTCONTROL+,}ignoredups

# append to the history file, don't overwrite it
shopt -s histappend

# store multi-line commands in history
shopt -s cmdhist

# this breaks eg "bts show #nnnnnn"
shopt -u interactive_comments

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# Name directory to change to it.
shopt -s autocd

# Disable XOFF, for f*** sake
stty -ixon

# enable completion
if [ -f /etc/bash_completion ]; then
    . /etc/bash_completion
fi

# enable fzf completion if available
if [ -f /usr/share/bash-completion/completions/fzf ]; then
    . /usr/share/bash-completion/completions/fzf
fi

if [ -f /usr/share/doc/fzf/examples/key-bindings.bash ]; then
    . /usr/share/doc/fzf/examples/key-bindings.bash
fi

# enable local config parts
if [ -d ~/.bash.d/ ]; then
    for f in $(find ~/.bash.d/ -type f); do
        . $f
    done
fi

# aliases
if [ -e ~/.alias.d/ ]; then
    for e in $(find ~/.alias.d/ -type l,f | sort); do
        . $e
    done
fi

umask 022

vterm_printf() {
    if [ -n "$TMUX" ] && ([ "${TERM%%-*}" = "tmux" ] || [ "${TERM%%-*}" = "screen" ]); then
        # Tell tmux to pass the escape sequences through
        printf "\ePtmux;\e\e]%s\007\e\\" "$1"
    elif [ "${TERM%%-*}" = "screen" ]; then
        # GNU screen (screen, screen-256color, screen-256color-bce)
        printf "\eP\e]%s\007\e\\" "$1"
    else
        printf "\e]%s\e\\" "$1"
    fi
}

vterm_prompt_end(){
    vterm_printf "51;A$(whoami)@$(hostname):$(pwd)"
}

update_title () {
    printf "\e]0;$USER@$HOSTNAME: %s\a" "$1"
}

# Update title before executing a command: set it to the full command
show_command () {
    this_command="`history 1`"
    update_title "${this_command/+([ ])+([0-9])+([ ])/}"
}

# Things to do before displaying the command prompt, including printing
# nonzero exit status of the last run command, and setting the git branch.
prompt_command_notitle () {
    local code="$?"
    if [ "$code" -ne 0 ]; then
        echo "- exit $code"
    fi

    local fullbranch="$(cat .git/HEAD 2>/dev/null)"
    if [ "$fullbranch" = "" ]; then
        local fullbranch="$(git symbolic-ref HEAD 2>/dev/null)"
    fi
    local branch="${fullbranch##ref: }"
    vcsinfo="${branch:+#${branch##refs/heads/}}"
}

prompt_command () {
    prompt_command_notitle
    update_title
}

PS1='\u@\h:\w$vcsinfo> '

case "$TERM" in
xterm*|rxvt*|screen)
    PS1="\[\e]0;\u@\h:\w\a\]$PS1"'\[$(vterm_prompt_end)\]'
    trap show_command DEBUG
    PROMPT_COMMAND=prompt_command
    ;;
*)
    PS1=$PS1'\[$(vterm_prompt_end)\]'
    PROMPT_COMMAND=prompt_command_notitle
    ;;
esac

if [ -e ~/.bashrc.post ]; then
    . ~/.bashrc.post
fi