$ git clone -n https://src.fedoraproject.org/rpms/perl-IO-Socket-Multicast.git /var/lib/mock/f39-build-1437585-32149/root/chroot_tmpdir/scmroot/perl-IO-Socket-Multicast
Cloning into '/var/lib/mock/f39-build-1437585-32149/root/chroot_tmpdir/scmroot/perl-IO-Socket-Multicast'...
$ git fetch origin 8c9c966bad4e6a309d65fa7e53d26b159c1c547d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-IO-Socket-Multicast
 * [new ref]         8c9c966bad4e6a309d65fa7e53d26b159c1c547d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c9c966 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild