#!/usr/bin/env sh

check() {
    echo "$2" | grep -q "$1";
};

VCS_STR=""
VCS_INF=""
VCS_NEW=""
VCS_MOD=""
VCS_REC=""
SPC=""

if [[ $1 == "--zsh-colour" ]]; then
    nstr="%F{red}●%f"
    mstr="%F{11}●%f"
    rstr="%F{28}●%f"
    cFST="%F{green}"
    cSND="%F{blue}"
    cEND="%f"
else
    nstr="@"
    mstr="±"
    rstr="↑"
    cFST=""
    cSND=""
    cEND=""
fi

if [[ -d ".git" || -d "../.git" || -d "../../.git" ]]; then
    outp=$(git status)
    VCS_STR="*"
    VCS_INF=$(echo "$outp" | head -n 1 | cut -d' ' -f 3-)
    check "^Untracked files:$" "$outp"
    [[ $? = 0 ]] && VCS_NEW=$nstr
    check "^Changes not staged for commit:$" "$outp"
    [[ $? = 0 ]] && VCS_MOD=$mstr
    check "^Changes to be committed:$" "$outp"
    [[ $?  = 0 ]] && VCS_REC=$rstr
else if [[ -d "_darcs" || -d "../_darcs" || -d "../../_darcs" ]]; then
    fls=$(darcs show files)
    VCS_STR="+"
    VCS_INF=$(darcs show repo | grep Default | cut -d : -f 3-)
    for f in ./*; do
        if [[ -f $f ]]; then
            echo "$fls" | grep -q $f
        else
            true
        fi;
        if [[ ! $? = 0 ]]; then
            VCS_NEW=$nstr;
            break;
        fi;
    done;
    news=$(darcs what)$
    check "^No changes" "$news"
    [[ $? = 0 ]] || VCS_REC=$rstr
fi; fi;

[ -n "$VCS_NEW$VCS_MOD$VCS_REC" ] && SPC=" "
[ -n "$VCS_STR" ] && echo "$cFST$VCS_STR$cEND{$cSND$VCS_INF$cEND$SPC$VCS_NEW$VCS_MOD$VCS_REC}"