$ git clone -n https://src.fedoraproject.org/rpms/perl-Coro-Multicore.git /var/lib/mock/f40-build-2221054-52674/root/chroot_tmpdir/scmroot/perl-Coro-Multicore
Cloning into '/var/lib/mock/f40-build-2221054-52674/root/chroot_tmpdir/scmroot/perl-Coro-Multicore'...
$ git fetch origin 91469a7ae2a31dcfafa786a74d8d4aad4d3781e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Coro-Multicore
 * [new ref]         91469a7ae2a31dcfafa786a74d8d4aad4d3781e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91469a7 Add perl_multicore_init argument to match pmapi_acquire member (#2254339)