Use relative path for bootstrap script

.travis.yml

@@ -21,9 +21,7 @@ env:
 install: true
 
 before_script:
-  - cd $GOPATH/src/code.dumpstack.io/tools/out-of-tree/tools/qemu-debian-img
-  - ./bootstrap.sh
-  - cd $GOPATH/src/code.dumpstack.io/tools/out-of-tree
+  - tools/out-of-tree/bootstrap.sh
 
 script:
   - go test -parallel 1 -v ./...

tools/qemu-debian-img/bootstrap.sh

@@ -1,4 +1,6 @@
 #!/bin/sh -eux
+cd $(dirname $(realpath $0))
+
 docker build -t gen-ubuntu1804-image .
 docker run --privileged -v $(pwd):/shared -t gen-ubuntu1804-image
 RUN="docker run -v $(pwd):/shared -t gen-ubuntu1804-image"