travis: make the directory with coverity tools available in a container

Otherwise `coverity.sh build` will fail with
```
find: '/var/tmp/coverity-scan-analysis': No such file or directory
```

See https://travis-ci.org/systemd/systemd/jobs/451683385.

diff --git a/.travis.yml b/.travis.yml
index 499e9eeb91a02eeec40fd506402d55412adac3a6..724504568eb8c973ba8296e16b528fe6bc75743e 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -42,10 +42,10 @@ jobs:
               - FEDORA_RELEASE="latest"
               - CONT_NAME="coverity-fedora-$FEDORA_RELEASE"
               - DOCKER_EXEC="docker exec -ti $CONT_NAME"
-              - DOCKER_RUN="docker run --env-file .cov-env"
+              - TOOL_BASE="/var/tmp/coverity-scan-analysis"
+              - DOCKER_RUN="docker run -v $TOOL_BASE:$TOOL_BASE:rw --env-file .cov-env"
               # Coverity env variables
               - PLATFORM="$(uname)"
-              - TOOL_BASE="/var/tmp/coverity-scan-analysis"
               - TOOL_ARCHIVE="/var/tmp/cov-analysis-$PLATFORM.tgz
               - SCAN_URL="https://scan.coverity.com"
               - UPLOAD_URL="https://scan.coverity.com/builds"