message: CI: Replace realpath with readlink.
diff: @@ -18,7 +18,7 @@ x86_64-centos6-gcc4:
  - INSTALL_DIR="${SOURCE_DIR}/_install"
  - DESC=$(git describe)
  - time scl enable devtoolset-4 rh-python34 "./buildenv --pick-build-tree --branch \"$CI_BUILD_REF_NAME\" --link-build-tree \"$BUILD_DIR\" --build-trees-root \"/cache/$CI_PROJECT_NAME\""
  - - if test -n "$FROM_SCRATCH"; then dir=$(realpath $BUILD_DIR); rm -rf "$dir" && mkdir -p "$dir"; else time scl enable devtoolset-4 rh-python34 "./buildenv --cache-download-build-tree --exclude='*.deb,*.rpm,*.tbz' --branch \"$CI_BUILD_REF_NAME\" --build-trees-root \"/cache/$CI_PROJECT_NAME\" --cache-namespace \"$CI_RUNNER_DESCRIPTION/$CI_PROJECT_NAME\" --cache-id \"$CI_RUNNER_ID\" --verbose"; fi
  + - if test -n "$FROM_SCRATCH"; then dir=$(readlink -f $BUILD_DIR); rm -rf "$dir" && mkdir -p "$dir"; else time scl enable devtoolset-4 rh-python34 "./buildenv --cache-download-build-tree --exclude='*.deb,*.rpm,*.tbz' --branch \"$CI_BUILD_REF_NAME\" --build-trees-root \"/cache/$CI_PROJECT_NAME\" --cache-namespace \"$CI_RUNNER_DESCRIPTION/$CI_PROJECT_NAME\" --cache-id \"$CI_RUNNER_ID\" --verbose"; fi
  - mkdir -p "$INSTALL_DIR"
  - scl enable devtoolset-4 rh-python34 "farm/configure --arch x86_64 --os centos6 --compiler gcc4 --project Elle --source-dir \"$SOURCE_DIR\" --build-dir \"$BUILD_DIR\" --install-dir \"$INSTALL_DIR\""
  - cd "$BUILD_DIR"
  