$ git clone -n https://src.fedoraproject.org/rpms/rust-logging_timer_proc_macros.git /var/lib/mock/f45-build-43048-799/root/chroot_tmpdir/scmroot/rust-logging_timer_proc_macros
Cloning into '/var/lib/mock/f45-build-43048-799/root/chroot_tmpdir/scmroot/rust-logging_timer_proc_macros'...
$ git fetch origin d3a1b4b2bc166a1fe52464e653b08b33102f6666:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-logging_timer_proc_macros
 * [new ref]         d3a1b4b2bc166a1fe52464e653b08b33102f6666 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3a1b4b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild