#! /bin/sh -e
###
### Wrapper around `sbuild' builds
###
### (c) 2018 Mark Wooding
###

###----- Licensing notice ---------------------------------------------------
###
### This file is part of the distorted.org.uk chroot maintenance tools.
###
### distorted-chroot is free software: you can redistribute it and/or
### modify it under the terms of the GNU General Public License as
### published by the Free Software Foundation; either version 2 of the
### License, or (at your option) any later version.
###
### distorted-chroot is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
### General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with distorted-chroot.  If not, write to the Free Software
### Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
### USA.

## Set up compiler caching.  This makes a big difference to build times.
PATH=/usr/lib/ccache:$PATH; export PATH
CCACHE_DIR=/build/.ccache; export CCACHE_DIR
unset CCACHE_HARDLINK
CCACHE_COMPRESS=t; export CCACHE_COMPRESS
CCACHE_UMASK=002; export CCACHE_UMASK

## Hack the build options.  `sbuild' tries to turn off testing for
## cross-builds, which is exactly wrong.  Turn them back on unless I really
## want them off.
old=$DEB_BUILD_OPTIONS new= force_nocheck=nil
for o in $old; do
  case $o in x-mdw-nocheck) force_nocheck=t ;; esac
done
for o in $old; do
  include=t
  case $o in
    x-mdw-nocheck) include=nil ;;
    nocheck) include=$force_nocheck ;;
  esac
  case $include in
    t) new=${new:+$new }$o ;;
  esac
done
DEB_BUILD_OPTIONS=$new; export DEB_BUILD_OPTIONS

## Preset the library search path to find the tools version of `fakeroot'.
for i in /usr/lib/*/libfakeroot; do
  LD_LIBRARY_PATH=${LD_LIBRARY_PATH+$LD_LIBRARY_PATH:}$i
done
export LD_LIBRARY_PATH

## We're ready to go.
exec "$@"