$ git clone -n https://src.fedoraproject.org/rpms/rust-test-case-macros.git /var/lib/mock/f45-build-45393-822/root/chroot_tmpdir/scmroot/rust-test-case-macros
Cloning into '/var/lib/mock/f45-build-45393-822/root/chroot_tmpdir/scmroot/rust-test-case-macros'...
$ git fetch origin 82ae941b8a49417560df28932d17af9aeb5b81fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-test-case-macros
 * [new ref]         82ae941b8a49417560df28932d17af9aeb5b81fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82ae941 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild