$ git clone -n https://src.fedoraproject.org/rpms/rust-logging_timer.git /var/lib/mock/f45-build-43033-799/root/chroot_tmpdir/scmroot/rust-logging_timer
Cloning into '/var/lib/mock/f45-build-43033-799/root/chroot_tmpdir/scmroot/rust-logging_timer'...
$ git fetch origin 3ec2d3efe8ff011227fb3c9f4a3d8eedfc1fe1f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-logging_timer
 * [new ref]         3ec2d3efe8ff011227fb3c9f4a3d8eedfc1fe1f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ec2d3e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild