$ git clone -n https://src.fedoraproject.org/rpms/rust-owo-colors.git /var/lib/mock/f45-build-43622-804/root/chroot_tmpdir/scmroot/rust-owo-colors
Cloning into '/var/lib/mock/f45-build-43622-804/root/chroot_tmpdir/scmroot/rust-owo-colors'...
$ git fetch origin f7e6fdc4f1849905e2a2c4fa32aad38f1a23d994:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-owo-colors
 * [new ref]         f7e6fdc4f1849905e2a2c4fa32aad38f1a23d994 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7e6fdc Update to version 4.4.0; Fixes RHBZ#2525158