$ git clone -n https://src.fedoraproject.org/rpms/rust-chrono-humanize.git /var/lib/mock/f40-build-2035332-47956/root/chroot_tmpdir/scmroot/rust-chrono-humanize
Cloning into '/var/lib/mock/f40-build-2035332-47956/root/chroot_tmpdir/scmroot/rust-chrono-humanize'...
$ git fetch origin 3328db0937641f68395707226b14ce00f000de1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-chrono-humanize
 * [new ref]         3328db0937641f68395707226b14ce00f000de1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3328db0 Update to version 0.2.3; Fixes RHBZ#2224796