$ git clone -n https://src.fedoraproject.org/rpms/rust-insta-cmd.git /var/lib/mock/f45-build-42592-795/root/chroot_tmpdir/scmroot/rust-insta-cmd
Cloning into '/var/lib/mock/f45-build-42592-795/root/chroot_tmpdir/scmroot/rust-insta-cmd'...
$ git fetch origin 24355b8b6c826ec5ba2b1f43328b22218d6248a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-insta-cmd
 * [new ref]         24355b8b6c826ec5ba2b1f43328b22218d6248a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24355b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild