$ git clone -n https://src.fedoraproject.org/rpms/rust-glycin.git /var/lib/mock/f40-build-2169857-51005/root/chroot_tmpdir/scmroot/rust-glycin
Cloning into '/var/lib/mock/f40-build-2169857-51005/root/chroot_tmpdir/scmroot/rust-glycin'...
$ git fetch origin 67f8f105248fc3203575ce5f4c60aff3b87382cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-glycin
 * [new ref]         67f8f105248fc3203575ce5f4c60aff3b87382cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67f8f10 Update to version 0.1.0; Fixes RHBZ#2238935