$ git clone -n https://src.fedoraproject.org/rpms/perl-Encode-Newlines.git /var/lib/mock/f45-build-23412-597/root/chroot_tmpdir/scmroot/perl-Encode-Newlines
Cloning into '/var/lib/mock/f45-build-23412-597/root/chroot_tmpdir/scmroot/perl-Encode-Newlines'...
$ git fetch origin bdfd794ac9bcc3a760009059583dab5ea5a80df8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Encode-Newlines
 * [new ref]         bdfd794ac9bcc3a760009059583dab5ea5a80df8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bdfd794 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild