mgh01@mgh01-laptop:~/ObsProjects$ osc co mer-core:aarch64:devel:fixup libexpat
A    mer-core:aarch64:devel:fixup
A    mer-core:aarch64:devel:fixup/libexpat
A    mer-core:aarch64:devel:fixup/libexpat/_service
At revision 3.
mgh01@mgh01-laptop:~/ObsProjects$ cd mer-core:aarch64:devel:fixup/
mgh01@mgh01-laptop:~/ObsProjects/mer-core:aarch64:devel:fixup$ cd libexpat/
mgh01@mgh01-laptop:~/ObsProjects/mer-core:aarch64:devel:fixup/libexpat$ ls
_service
mgh01@mgh01-laptop:~/ObsProjects/mer-core:aarch64:devel:fixup/libexpat$ osc build Core_aarch64 aarch64
WARNING: native compile is not possible, an emulator must be configured!
Missing argument: build description (spec, dsc or kiwi file)
mgh01@mgh01-laptop:~/ObsProjects/mer-core:aarch64:devel:fixup/libexpat$