#!/bin/bash

POINT=HEAD
ARCH=$(dpkg-architecture -q DEB_BUILD_ARCH)
HOSTNAME=$(hostname)

while getopts ":p:a:" opt; do
  case $opt in
    p)
      POINT=$OPTARG
      ;;
    a)
      ARCH=$OPTARG
      set +e
      chk=`dpkg-architecture -a$ARCH > /dev/null 2>&1 ; echo $?`
      set -e
      if [ $chk != 0 ]; then
          echo "Did not recognise ${ARCH} as a Debian architecture name. Exit."
          exit 1
      fi
      ARCH=${ARCH}
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      ;;
  esac
done

PATH=/usr/local/sbin:/usr/local/bin:$PATH
export PATH

NUMCPUS=$(grep processor /proc/cpuinfo | wc -l)
if [ $NUMCPUS -gt 1 ]; then
    PARALLEL="-j $NUMCPUS"
else
    PARALLEL=""
fi

set -e
set -x

mysid=sid-93sam-strace

BASE_CHROOT="sid_$ARCH-dchroot"

schroot -e -c $mysid || true
schroot -b -c $BASE_CHROOT -n $mysid
dd-schroot-cmd -y -c $mysid apt-get update
dd-schroot-cmd -y -c $mysid apt-get build-dep strace
dd-schroot-cmd -y -c $mysid apt-get install git autotools-dev gawk dh-autoreconf

DATETIME=$(date -u '+%Y-%m-%d-%H%M%S')
BDIR=~/build/strace/build-test-${DATETIME}

mkdir -p ${BDIR}
cd ${BDIR}

cat > ~/build/strace/inside-schroot-test.sh << EOF
#!/bin/sh
cd ${BDIR}
git clone -q http://git.code.sf.net/p/strace/code strace.git
echo "BUILD ENVIRONMENT INFORMATION"
echo "============================="
echo "Debian architecture"
echo "-------------------"
dpkg-architecture -q DEB_BUILD_ARCH
echo "Hostname"
echo "--------"
hostname
echo "uname -rm"
echo "---------"
uname -rm
echo "Version of kernel headers (linux-libc-dev)"
echo "------------------------------------------"
dpkg -s linux-libc-dev
echo "Version of libc"
echo "---------------"
dpkg -s libc6-dev
echo "Version of gcc"
echo "--------------"
dpkg -s gcc
cd strace.git
git checkout $POINT
./bootstrap
./configure
make $PARALLEL && make check VERBOSE=1 && echo SUCCESS > ${BDIR}/RESULT
EOF

chmod +x ~/build/strace/inside-schroot-test.sh

cd ~

# Run the command, outout to typescript
script -c "schroot -r -c $mysid ~/build/strace/inside-schroot-test.sh"

if [ -f ${BDIR}/RESULT ] ; then
    schroot -e -c $mysid
    rm -rf ${BDIR}
    rm -f ~/build/strace/inside-schroot-test.sh
else
    echo "BUILD FAILED - not doing cleanup"
    echo "Results in ${BDIR}"
fi
mv typescript typescript-$ARCH-$HOSTNAME-${DATETIME}.txt

gzip -9 typescript-$ARCH-$HOSTNAME-${DATETIME}.txt
FILE="typescript-$ARCH-$HOSTNAME-${DATETIME}.txt.gz"

(echo "START $FILE" ; \
 base64 < $FILE ; \
 echo "END $FILE") | \
    mailx -s "strace-build-test $ARCH-$HOSTNAME-${DATETIME} log" \
	  steve-strace@einval.com

rm -f $FILE