$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-UnixCrypt_XS.git /var/lib/mock/f40-build-779286-130260/root/chroot_tmpdir/scmroot/perl-Crypt-UnixCrypt_XS
Cloning into '/var/lib/mock/f40-build-779286-130260/root/chroot_tmpdir/scmroot/perl-Crypt-UnixCrypt_XS'...
$ git fetch origin dd4f96ce837518f8f9a89bd0ae5e452798dfac71:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-UnixCrypt_XS
 * [new ref]         dd4f96ce837518f8f9a89bd0ae5e452798dfac71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd4f96c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild