$ git clone -n https://src.fedoraproject.org/rpms/erlang-fast_xml.git /var/lib/mock/f39-build-1562994-37468/root/chroot_tmpdir/scmroot/erlang-fast_xml
Cloning into '/var/lib/mock/f39-build-1562994-37468/root/chroot_tmpdir/scmroot/erlang-fast_xml'...
$ git fetch origin 77eed94cb1b222efef20a756e171e30196657a06:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-fast_xml
 * [new ref]         77eed94cb1b222efef20a756e171e30196657a06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77eed94 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild