#!/usr/bin/env zsh

root=$0:h:a
. $root/lib.zsh.rc

usage() {
    die Usage: $0 ISSUE
}

[[ -n $1 ]] || usage
issue=${1#issues/}
comment=issues/$issue/comment

$PERL -i -npe 's/^/# /' $comment
zmodload -F zsh/stat b:zstat
zstat -A ctimePrev +ctime $comment
$EDITOR $comment
zstat -A ctime +ctime $comment
[[ $ctime != $ctimePrev ]] || {
    echo Aborting comment >&2
    $PERL -i -npe 's/^# //' $comment
    exit 0
}
$PERL -i -ne 'print if $can; if (/^$/) { $can=1 };' $comment
git add $comment