LANG=C
SCRIPT_DIR=$(dirname $(readlink -f "$0"))
-TEST_TOP=$(readlink -f "$SCRIPT_DIR/../tests/")
-INTERNAL_BIN=$(readlink -f "$SCRIPT_DIR/../")
-TOP=$(readlink -f "$SCRIPT_DIR/../")
-if ! [ -f "$TOP/btrfs" ];then
- TOP=$(dirname `which btrfs`)
+if [ -z "$TOP" ]; then
+ TOP=$(readlink -f "$SCRIPT_DIR/../")
+ if [ -f "$TOP/configure.ac" ]; then
+ # inside git
+ TEST_TOP="$TOP/tests/"
+ INTERNAL_BIN="$TOP"
+ else
+ # external, defaults to system binaries
+ TOP=$(dirname `which btrfs`)
+ TEST_TOP="$SCRIPT_DIR"
+ INTERNAL_BIN="$TEST_TOP"
+ fi
+else
+ # assume external, TOP set from commandline
+ TEST_TOP="$SCRIPT_DIR"
+ INTERNAL_BIN="$TEST_TOP"
+fi
+if ! [ -x "$TOP/btrfs" ]; then
+ echo "ERROR: cannot execute btrfs from TOP=$TOP"
+ exit 1
fi
TEST_DEV=${TEST_DEV:-}
RESULTS="$TEST_TOP/misc-tests-results.txt"
export TOP
export RESULTS
export LANG
-export TEST_DEV
export IMAGE
+export TEST_DEV
rm -f "$RESULTS"