$ git clone -n https://src.fedoraproject.org/rpms/rust-proptest.git /var/lib/mock/f38-build-side-42-init-devel-754321-27665/root/chroot_tmpdir/scmroot/rust-proptest
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-754321-27665/root/chroot_tmpdir/scmroot/rust-proptest'...
$ git fetch origin 1a77922289a920849b695d8daf16a1018204589c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-proptest
 * [new ref]         1a77922289a920849b695d8daf16a1018204589c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a77922 Update to version 1.1.0; Fixes RHBZ#2167212