$ git clone -n https://src.fedoraproject.org/rpms/libgravatar.git /var/lib/mock/f41-build-1022079-18048/root/chroot_tmpdir/scmroot/libgravatar
Cloning into '/var/lib/mock/f41-build-1022079-18048/root/chroot_tmpdir/scmroot/libgravatar'...
$ git fetch origin 2631e43fcfe47d3dc331f2be386279fae2c07719:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgravatar
 * [new ref]         2631e43fcfe47d3dc331f2be386279fae2c07719 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2631e43 24.05.1