$ git clone -n https://src.fedoraproject.org/rpms/rust-deunicode.git /var/lib/mock/f39-build-1488856-34499/root/chroot_tmpdir/scmroot/rust-deunicode
Cloning into '/var/lib/mock/f39-build-1488856-34499/root/chroot_tmpdir/scmroot/rust-deunicode'...
$ git fetch origin d876074522ada92665d5fde89c8b3880836a002e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-deunicode
 * [new ref]         d876074522ada92665d5fde89c8b3880836a002e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d876074 Update to version 1.4.1; Fixes RHBZ#2244250