docker: More sensible run script

It is very easy to figure out current directory and bash option from the
execution, so do less in the Makefile invocation command line, and
figure both options in the script.

This makes the next patch easier.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1468934445-32183-7-git-send-email-famz@redhat.com

tests/docker/Makefile.include

@@ -114,10 +114,8 @@ docker-run-%: docker-qemu-src
 				-e CCACHE_DIR=/var/tmp/ccache \
 				-v $$(realpath $(DOCKER_SRC_COPY)):/var/tmp/qemu:z$(COMMA)ro \
 				-v $(DOCKER_CCACHE_DIR):/var/tmp/ccache:z \
-				-w /var/tmp/qemu \
 				qemu:$(IMAGE) \
-				$(if $V,/bin/bash -x ,) \
-				./run \
+				/var/tmp/qemu/run \
 				$(CMD); \
 			, "  RUN $(CMD) in $(IMAGE)")))
 

tests/docker/run

@@ -11,6 +11,12 @@
 # or (at your option) any later version. See the COPYING file in
 # the top-level directory.
 
+if test -n "$V"; then
+    set -x
+fi
+
+BASE="$(dirname $(readlink -e $0))"
+
 # Prepare the environment
 . /etc/profile || true
 export PATH=/usr/lib/ccache:$PATH
@@ -24,10 +30,10 @@ export TEST_DIR=/tmp/qemu-test
 mkdir -p $TEST_DIR/{src,build,install}
 
 # Extract the source tarballs
-tar -C $TEST_DIR/src -xzf qemu.tgz
+tar -C $TEST_DIR/src -xzf $BASE/qemu.tgz
 for p in dtc pixman; do
-    if test -f $p.tgz; then
-        tar -C $TEST_DIR/src/$p -xzf $p.tgz
+    if test -f $BASE/$p.tgz; then
+        tar -C $TEST_DIR/src/$p -xzf $BASE/$p.tgz
         export FEATURES="$FEATURES $p"
     fi
 done