$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-CBC.git /var/lib/mock/f40-build-2622000-64822/root/chroot_tmpdir/scmroot/perl-Crypt-CBC
Cloning into '/var/lib/mock/f40-build-2622000-64822/root/chroot_tmpdir/scmroot/perl-Crypt-CBC'...
$ git fetch origin 6a8d1a9064b3571d794c81ecd9e17a53cfe11d4d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-CBC
 * [new ref]         6a8d1a9064b3571d794c81ecd9e17a53cfe11d4d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a8d1a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild