$ git clone -n https://src.fedoraproject.org/rpms/rust-crossterm.git /var/lib/mock/f41-build-side-1-2940038-35321/root/chroot_tmpdir/scmroot/rust-crossterm
Cloning into '/var/lib/mock/f41-build-side-1-2940038-35321/root/chroot_tmpdir/scmroot/rust-crossterm'...
$ git fetch origin 4a610e52de18f04e29698e3c3ebb57602463ca4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-crossterm
 * [new ref]         4a610e52de18f04e29698e3c3ebb57602463ca4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a610e5 Update to version 0.28.1; Fixes: RHBZ#2302127