$ git clone -n https://src.fedoraproject.org/rpms/rust-proptest.git /var/lib/mock/f38-build-side-43-rust-devel-1424208-31490/root/chroot_tmpdir/scmroot/rust-proptest
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1424208-31490/root/chroot_tmpdir/scmroot/rust-proptest'...
$ git fetch origin e06a8c15102ee4426a75cfb5d97cad34c4eae991:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-proptest
 * [new ref]         e06a8c15102ee4426a75cfb5d97cad34c4eae991 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e06a8c1 Update to version 1.3.1; Fixes RHBZ#2241566