$ git clone -n https://src.fedoraproject.org/rpms/rust-pretty_assertions.git /var/lib/mock/f45-build-43985-809/root/chroot_tmpdir/scmroot/rust-pretty_assertions
Cloning into '/var/lib/mock/f45-build-43985-809/root/chroot_tmpdir/scmroot/rust-pretty_assertions'...
$ git fetch origin d17c8df2170199d4d70bba747248674b0f84075f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pretty_assertions
 * [new ref]         d17c8df2170199d4d70bba747248674b0f84075f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d17c8df Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild