#! /bin/sh

config=$1

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

test -r "$config"  || die "usage: fate.sh <config>"

workdir=$(cd $(dirname $config) && pwd)
make=make
tar='tar c'

. "$config"

test -n "$slot"    || die "slot not specified"
test -n "$repo"    || die "repo not specified"
test -d "$samples" || die "samples location not specified"

: ${branch:=master}

src=${workdir}/src
: ${build:=${workdir}/build}
: ${inst:=${workdir}/install}

configuration='
    --enable-gpl
    --prefix="${inst}"
    --samples="${samples}"
    ${ignore_tests:+--ignore-tests="$ignore_tests"}
    ${arch:+--arch="$arch"}
    ${cpu:+--cpu="$cpu"}
    ${toolchain:+--toolchain="$toolchain"}
    ${cross_prefix:+--cross-prefix="$cross_prefix"}
    ${as:+--as="$as"}
    ${cc:+--cc="$cc"}
    ${ld:+--ld="$ld"}
    ${target_os:+--target-os="$target_os"}
    ${sysroot:+--sysroot="$sysroot"}
    ${target_exec:+--target-exec="$target_exec"}
    ${target_path:+--target-path="$target_path"}
    ${target_samples:+--target-samples="$target_samples"}
    ${extra_cflags:+--extra-cflags="$extra_cflags"}
    ${extra_ldflags:+--extra-ldflags="$extra_ldflags"}
    ${extra_libs:+--extra-libs="$extra_libs"}
    ${extra_conf}
'

lock(){
    lock=$1/fate.lock
    (set -C; exec >$lock) 2>/dev/null || return
    trap 'rm $lock' EXIT
}

checkout(){
    case "$repo" in
        file:*|/*) src="${repo#file:}"      ;;
        git:*)     git clone --quiet --branch "$branch" "$repo" "$src" ;;
    esac
}

update()(
    cd ${src} || return
    case "$repo" in
        git:*) git fetch --quiet --force; git reset --quiet --hard "origin/$branch" ;;
    esac
)

configure()(
    cd ${build} || return
    eval ${src}/configure ${configuration}
)

compile()(
    cd ${build} || return
    ${make} ${makeopts} && ${make} install
)

fate()(
    test "$build_only" = "yes" && return
    cd ${build} || return
    ${make} ${makeopts_fate-${makeopts}} -k fate
)

clean(){
    rm -rf ${build} ${inst}
}

report(){
    date=$(date -u +%Y%m%d%H%M%S)
    echo "fate:1:${date}:${slot}:${version}:$1:$2:${branch}:${comment}" >report
    if test -e ${build}/avbuild/config.fate; then
        cat ${build}/avbuild/config.fate >> report 2> /dev/null
    else
        eval echo config:failed:failed:failed:failed:failed:${configuration} >> report 2> /dev/null
    fi
    cat ${build}/tests/data/fate/*.rep >> report 2> /dev/null
    test -n "$fate_recv" && $tar report *.log | gzip | $fate_recv
}

fail(){
    report "$@"
    clean
    exit
}

mkdir -p ${workdir} || die "Error creating ${workdir}"
lock ${workdir}     || die "${workdir} locked"
cd ${workdir}       || die "cd ${workdir} failed"

test -d "$src" && update || checkout || die "Error fetching source"

cd ${workdir}

version=$(${src}/avbuild/version.sh ${src})
test "$version" = "$(cat version-$slot 2>/dev/null)" && exit 0
echo ${version} >version-$slot

rm -rf "${build}" *.log
mkdir -p ${build}

configure >configure.log 2>&1 || fail $? "error configuring"
compile   >compile.log   2>&1 || fail $? "error compiling"
fate      >test.log      2>&1 || fail $? "error testing"
report 0 success
clean