CI: Fetch main repo tags from forks

Signed-off-by: Vicente Adolfo Bolea Sanchez <vicente.bolea@kitware.com>

.gitlab-ci.yml

@@ -133,6 +133,7 @@ stages:
     - sccache --show-stats
     - .gitlab/ci/config/google_benchmarks.sh
     - "cmake --version"
+    - "cmake -V -P .gitlab/ci/config/fetch_vtkm_tags.cmake"
     - "cmake -V -P .gitlab/ci/config/gitlab_ci_setup.cmake"
     - "ctest -VV -S .gitlab/ci/ctest_configure.cmake"
   script:

.gitlab/ci/config/fetch_vtkm_tags.cmake

@@ -0,0 +1,34 @@
+##=============================================================================
+##
+##  Copyright (c) Kitware, Inc.
+##  All rights reserved.
+##  See LICENSE.txt for details.
+##
+##  This software is distributed WITHOUT ANY WARRANTY; without even
+##  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+##  PURPOSE.  See the above copyright notice for more information.
+##
+##=============================================================================
+
+## Fetch latests tags from VTK-m main repo
+
+find_package(Git)
+if(NOT Git_FOUND)
+  message(ERROR "Git not installed, Could not fetch vtk/vtk-m tags")
+  return()
+endif()
+
+set(REPO_URL "https://gitlab.kitware.com/vtk/vtk-m.git")
+
+## Only fetch tags when in a fork in a MR since often times forks do not have
+## the latest tags from the main repo.
+if(DEFINED ENV{CI_MERGE_REQUEST_ID} AND NOT $ENV{CI_REPOSITORY_URL} MATCHES "vtk/vtk-m\\.git$")
+  message("Fetching vtk/vtk-m repo latest tags")
+  execute_process(
+    COMMAND
+    ${GIT_EXECUTABLE}
+    fetch
+    ${REPO_URL}
+    "refs/tags/*:refs/tags/*"
+  )
+endif()