#! /bin/sh

# Run an abidb test based on the binaries right here

# test prereqs
type git 2>/dev/null || (echo "need git" ; exit 77)
type gcc 2>/dev/null || (echo "need gcc" ; exit 77)
type eu-readelf 2>/dev/null || (echo "need eu-readelf" ; exit 77)
type debuginfod-find 2>/dev/null || (echo "need debuginfod-find" ; exit 77)

toolssrcdir=@abs_top_srcdir@/tools
toolsdir=@abs_top_builddir@/tools
PATH=$toolsdir:$PATH
export PATH

type $toolsdir/abidw && ABIDW=$toolsdir/abidw
type $toolsdir/abidiff && ABIDIFF=$toolsdir/abidiff
type $toolssrcdir/abidb && ABIDB=$toolssrcdir/abidb
type $toolsdir/abicompat && ABICOMPAT=$toolsdir/abicompat
datadir=@abs_top_srcdir@/tests/data/test-abidb
odatadir=@abs_top_builddir@/tests/data/test-abidb

test -d $odatadir || mkdir -p $odatadir

set -x

gitdir=$(mktemp -d --tmpdir abidb-XXXXXXXX)

function clean_env
{
    echo cleaning "$gitdir"
    # comment rm -rf out to preserve the evidence
    rm -rf "$gitdir"
    rm -rf $odatadir
}

git init $gitdir

# Build a little shared library, a binary against it, then
# break it with an update

gcc -g -fPIC -rdynamic -shared $datadir/abidb2so.c -Wl,-soname=libabidb2.so -o $odatadir/libabidb2.so
$ABIDB --loglevel=debug --abidw $ABIDW --git $gitdir --submit $odatadir/libabidb2.so
gcc -g $datadir/abidb2client.c -L$odatadir -labidb2 -o $odatadir/abidb2client
$ABIDB --loglevel=debug --git $gitdir --check $odatadir/abidb2client
rm  $odatadir/libabidb2.so
gcc -g -fPIC -rdynamic -shared $datadir/abidb2soBAD.c -Wl,-soname=libabidb2.so -o $odatadir/libabidb2.so

cmd="$ABIDB --loglevel=debug --abidw $ABIDW  --git $gitdir --submit $odatadir/libabidb2.so"
$cmd
RESULT_CODE=$?
if test $RESULT_CODE -eq 0; then
    cmd="$ABIDB --loglevel=debug --abicompat $ABICOMPAT --git $gitdir --check $odatadir/abidb2client"
    $cmd
    RESULT_CODE=$?
    echo "expected a failure!"
    if test $RESULT_CODE -ne 0; then
	echo "executed: $cmd: "
	echo "with exit code: $RESULT_CODE"
	RESULT_CODE=0
    else
	RESULT_CODE=1
    fi
else
    echo "command failed: $cmd"
fi

# How many shared libraries did we collect?
(cd $gitdir; git ls-files; for file in `git ls-files`; do git show $file; done )

clean_env

exit $RESULT_CODE