$ git clone -n https://src.fedoraproject.org/rpms/rust-clap3.git /var/lib/mock/f45-build-40791-776/root/chroot_tmpdir/scmroot/rust-clap3
Cloning into '/var/lib/mock/f45-build-40791-776/root/chroot_tmpdir/scmroot/rust-clap3'...
$ git fetch origin 3293e5b29a3d6f90983e991870dc989d0ad5794c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-clap3
 * [new ref]         3293e5b29a3d6f90983e991870dc989d0ad5794c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3293e5b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild