$ git clone -n https://src.fedoraproject.org/rpms/mingw-vulkan-headers.git /var/lib/mock/f45-build-18848-531/root/chroot_tmpdir/scmroot/mingw-vulkan-headers
Cloning into '/var/lib/mock/f45-build-18848-531/root/chroot_tmpdir/scmroot/mingw-vulkan-headers'...
$ git fetch origin 60918e0c26ecb9aa639ff5fe333f8ad8d862a5b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-vulkan-headers
 * [new ref]         60918e0c26ecb9aa639ff5fe333f8ad8d862a5b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60918e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild