$ git clone -n https://src.fedoraproject.org/rpms/rust-glutin.git /var/lib/mock/f40-build-2652537-66895/root/chroot_tmpdir/scmroot/rust-glutin
Cloning into '/var/lib/mock/f40-build-2652537-66895/root/chroot_tmpdir/scmroot/rust-glutin'...
$ git fetch origin 58928be8048fad1796a92adf9a10d1e2a09fa178:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-glutin
 * [new ref]         58928be8048fad1796a92adf9a10d1e2a09fa178 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58928be update to version 0.31.3; Fixes RHBZ#2263918