#!/usr/bin/env bash

VERSION=0.1.3

DESTDIR=~/.suckless
BUILDDIR=~/.suckless-build

die() {
  echo "${@:2}"
  exit $1
}

usage() {
  die $1 "Usage: suckless-rebuild dmenu|slstatus|st <config.h>"
}

version() {
  die $1 "suckless-build $VERSION"
}

case $1 in
  dmenu|slstatus|st ) software=$1; config=$2 ;;
  -V|--version ) version 0 ;;
  -h|--help) usage 0 ;;
  * ) usage 1 ;;
esac

if [[ ${#@} != 2 ]]; then
  usage 1
fi

if [[ ! $software =~ ^dmenu$|^slstatus$|^st$ ]]; then
  die 1 "Unknown suckless software '$software'."
fi
if [[ ! -d /usr/src/$software ]]; then
  die 1 "'an9wer-$software' may not be installed."
fi
if [[ ! -f $config ]]; then
  die 1 "'$config' is not a regular file."
fi

# Move last build directory
if [[ -e $BUILDDIR/$software ]]; then
  temp=$(mktemp -u -d /tmp/$software.XXXXX)
  mv "$BUILDDIR/$software" "$temp"
fi

mkdir -p "$BUILDDIR"
cp -r /usr/src/$software "$BUILDDIR/$software"
cp -f "$config" "$BUILDDIR/$software/config.h"

cd "$BUILDDIR/$software"
if make &> build.log && make PREFIX="$DESTDIR" install &> build.log; then
  echo "Done! Recommend to add '~/.suckless/bin' to \$PATH to use new builded $software."
else
  echo "Some error occurred, check '$BUILDDIR/$software/build.log' to find more."
fi
if [[ -v temp ]]; then
  sed -i "1i The last build directory was moved to $temp\n" build.log
fi

# vim: set filetype=sh: