$ git clone -n https://src.fedoraproject.org/rpms/xml-maven-plugin.git /var/lib/mock/f39-build-1987008-43353/root/chroot_tmpdir/scmroot/xml-maven-plugin
Cloning into '/var/lib/mock/f39-build-1987008-43353/root/chroot_tmpdir/scmroot/xml-maven-plugin'...
$ git fetch origin 35bbdb72349508e9a181eee2e45e3c2170972084:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xml-maven-plugin
 * [new ref]         35bbdb72349508e9a181eee2e45e3c2170972084 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35bbdb7 Version 1.1.0