$ git clone -n https://src.fedoraproject.org/rpms/rust-scroll0.11.git /var/lib/mock/f45-build-44709-816/root/chroot_tmpdir/scmroot/rust-scroll0.11
Cloning into '/var/lib/mock/f45-build-44709-816/root/chroot_tmpdir/scmroot/rust-scroll0.11'...
$ git fetch origin f8f31fe0723d39247740eacc19f0f34f2ffbc643:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-scroll0.11
 * [new ref]         f8f31fe0723d39247740eacc19f0f34f2ffbc643 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8f31fe Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild