$ git clone -n https://src.fedoraproject.org/rpms/perl-AnyEvent-HTTP-Server.git /var/lib/mock/f39-build-1601249-38558/root/chroot_tmpdir/scmroot/perl-AnyEvent-HTTP-Server
Cloning into '/var/lib/mock/f39-build-1601249-38558/root/chroot_tmpdir/scmroot/perl-AnyEvent-HTTP-Server'...
$ git fetch origin 10ae70736f46d12e85875c5bcd4d489f1fa04415:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-AnyEvent-HTTP-Server
 * [new ref]         10ae70736f46d12e85875c5bcd4d489f1fa04415 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10ae707 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild