$ git clone -n https://src.fedoraproject.org/rpms/perl-TeX-Encode.git /var/lib/mock/f45-build-26488-617/root/chroot_tmpdir/scmroot/perl-TeX-Encode
Cloning into '/var/lib/mock/f45-build-26488-617/root/chroot_tmpdir/scmroot/perl-TeX-Encode'...
$ git fetch origin fd6238a6b9aada7dc61fd85f99da2537ece041cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-TeX-Encode
 * [new ref]         fd6238a6b9aada7dc61fd85f99da2537ece041cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd6238a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild