$ git clone -n https://src.fedoraproject.org/rpms/rust-cursor-icon.git /var/lib/mock/f42-build-side-1-3587774-46935/root/chroot_tmpdir/scmroot/rust-cursor-icon
Cloning into '/var/lib/mock/f42-build-side-1-3587774-46935/root/chroot_tmpdir/scmroot/rust-cursor-icon'...
$ git fetch origin 4cf7a069767c352e5b304e1735cce21730474c58:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cursor-icon
 * [new ref]         4cf7a069767c352e5b304e1735cce21730474c58 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cf7a06 Update to version 1.2.0; Fixes RHBZ#2368457