Another try to make docs deployment

.travis.yml

@@ -16,7 +16,7 @@ osx: &osx
 matrix:
   include:
     - <<: *linux
-       env: CONAN_GCC_VERSIONS=9 CONAN_DOCKER_IMAGE=conanio/gcc9
+      env: CONAN_GCC_VERSIONS=9 CONAN_DOCKER_IMAGE=conanio/gcc9 DEPLOY_DOCS=TRUE
 
 install:
   - chmod +x .travis/install.sh
@@ -25,17 +25,19 @@ install:
 script:
   - chmod +x .travis/run.sh
   - ./.travis/run.sh
+  - |
+    # Prepare documentation for deployment
+    if [ -n "$DEPLOY_DOCS" ]; then
+      ./.travis/deploy.sh
+    fi
 
 before_deploy:
-  - conan search mp-units --raw
-  - conan search mp-units --raw 2>@1 | tail -n1 | xargs -I % conan info % --paths --package-filter mp-units*
-  - cp -r `conan search mp-units --raw 2>@1 | tail -n1 | xargs -I % conan info % --paths --package-filter mp-units* | sed -n 's/    package_folder: //p'`/share/doc/units/sphinx .
 
 deploy:
   provider: pages
   skip_cleanup: true
   github_token: $GITHUB_TOKEN # Set in travis-ci.org dashboard
   keep_history: true
-  local_dir: sphinx
+  local_dir: gh-pages
   on:
     branch: master

.travis/deploy.sh

@@ -0,0 +1,4 @@
+rm -rf gh-pages
+sudo -E docker run --name docker_deploy $CONAN_DOCKER_IMAGE /bin/sh -c "conan remote add conan-mpusz https://api.bintray.com/conan/mpusz/conan-mpusz"
+sudo -E docker exec docker_deploy /bin/sh -c "conan search -r conan-mpusz mp-units --raw | tail -n1 | xargs -I % conan install % -g deploy -s compiler.version=$CONAN_GCC_VERSIONS -s compiler.cppstd=20"
+sudo -E docker cp docker_deploy:/home/conan/mp-units/share/doc/units/sphinx gh-pages