dotfiles/.bashrc

# requires the following utilities:
#   git
#   GNU coreutils (for realpath)
#   BSD basename

prompt_command() {
    local retval=$?
    local branch="";
    local clean="";
    local workingDir="";

    local numcolor="\[\e[0;33m\]"
    local red="\[\e[0;31m\]"
    local sepcolor="\[\e[1;30m\]"
    local yellow="\[\e[0;33m\]"
    local brightyellow="\[\e[1;33m\]"
    local brightblue="\[\e[1;34m\]"
    local default="\[\e[0m\]"
    local green="\[\e[0;32m\]"

    if [[ $retval != 0 ]]; then
        numcolor="\[\e[1;41;33m\]"
    fi

    # If we're in a git repo
    if git branch &>/dev/null; then

        local repoDir=`git rev-parse --show-toplevel`
        branch="$green$(git branch 2>/dev/null | grep \* | cut -d ' ' -f 2-)"
        clean=$(git status | grep clean)
        # if [ -z "$clean" ]; then clean="${red}✗"; else clean=""; fi
        if [ -z "$clean" ]; then clean="${red}++"; else clean=""; fi

        workingDir="$(basename ${repoDir})/"
        workingDir+=`realpath "--relative-to=${repoDir}" "$(pwd)"`
    else
        workingDir=`pwd`
    fi

    PS1="$numcolor\!$red \u$sepcolor@${brightblue}\h${default}:${branch}${clean} "

    # Add a linebreak if the branchname + working dir will make the line
    # overly long
    # echo "Branch and working dir length is $(expr ${#branch} + ${#workingDir})"
    # echo "COLUMNS is $COLUMNS. COLUMNS / 3 is $(expr $COLUMNS / 3)"
    if (( $(expr ${#branch} + ${#workingDir}) > $(expr $COLUMNS / 3) )); then
      PS1="\r\n${PS1}\r\n"
    fi

    PS1+="$default$workingDir"

    # If the working dir is itself too long, put it on it's own line and put
    # the prompt below it.
    if (( ${#workingDir} > $(expr $COLUMNS / 3) )); then PS1+="\r\n"; fi

    PS1+="$green\$${default} "

    # PS1="$numcolor\!$red \u$sepcolor@${brightblue}\h${default}:${branch}${clean} $default\w$green\$${default} "
}

PROMPT_COMMAND=prompt_command

eval "$(thefuck --alias fixit)"
set -o vi

source ~/.bash_aliases