$ git clone -n https://src.fedoraproject.org/rpms/help2man.git /var/lib/mock/f45-build-13389-450/root/chroot_tmpdir/scmroot/help2man
Cloning into '/var/lib/mock/f45-build-13389-450/root/chroot_tmpdir/scmroot/help2man'...
$ git fetch origin 37d5b3d66b5d797adc3f364e7bd9fe7bcfbf0c5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/help2man
 * [new ref]         37d5b3d66b5d797adc3f364e7bd9fe7bcfbf0c5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37d5b3d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild