$ git clone -n https://src.fedoraproject.org/rpms/rust-encode_unicode.git /var/lib/mock/f39-build-1445210-32650/root/chroot_tmpdir/scmroot/rust-encode_unicode
Cloning into '/var/lib/mock/f39-build-1445210-32650/root/chroot_tmpdir/scmroot/rust-encode_unicode'...
$ git fetch origin 77bdec932927af2c306dae73b1ec0ece2fb26897:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-encode_unicode
 * [new ref]         77bdec932927af2c306dae73b1ec0ece2fb26897 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77bdec9 Update to version 1.0.0; Fixes RHBZ#2116151