$ git clone -n https://src.fedoraproject.org/rpms/perl-Coro-Multicore.git /var/lib/mock/f40-build-2016090-46153/root/chroot_tmpdir/scmroot/perl-Coro-Multicore
Cloning into '/var/lib/mock/f40-build-2016090-46153/root/chroot_tmpdir/scmroot/perl-Coro-Multicore'...
$ git fetch origin 7e649b47e82565594474a106ef6f02c1934c1f6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Coro-Multicore
 * [new ref]         7e649b47e82565594474a106ef6f02c1934c1f6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e649b4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild