```cmake
#
# Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
#
# This file is part of Orfeo Toolbox
#
#     https://www.orfeo-toolbox.org/
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

#Contact: Gaëlle USSEGLIO
otb_fetch_module(DiapOTBModule
  "OTB module for SAR processing in Diapason."
  GIT_REPOSITORY https://gitlab.orfeo-toolbox.org/remote_modules/diapotb.git
  GIT_TAG f84b85352abb75ff3eefafdf0480fcde7fa06173
)
```

Set the correct branch to use for DiapOTB
user
```cmake
#
# Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
#
# This file is part of Orfeo Toolbox
#
#     https://www.orfeo-toolbox.org/
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

#Contact: Gaëlle USSEGLIO
otb_fetch_module(DiapOTBModule
  "OTB module for SAR processing in Diapason."
  GIT_REPOSITORY https://gitlab.orfeo-toolbox.org/remote_modules/diapotb.git
  GIT_TAG 3a058ebdf2a1dc18d5136f322324837065d5ef75
)
```
assistant