$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-GCrypt.git /var/lib/mock/f40-build-2016181-46162/root/chroot_tmpdir/scmroot/perl-Crypt-GCrypt
Cloning into '/var/lib/mock/f40-build-2016181-46162/root/chroot_tmpdir/scmroot/perl-Crypt-GCrypt'...
$ git fetch origin e8a0ca226a1e695a9e415c610d8db3b68e4de6c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-GCrypt
 * [new ref]         e8a0ca226a1e695a9e415c610d8db3b68e4de6c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8a0ca2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild