$ git clone -n https://src.fedoraproject.org/rpms/xml-commons-apis.git /var/lib/mock/f45-build-38945-730/root/chroot_tmpdir/scmroot/xml-commons-apis
Cloning into '/var/lib/mock/f45-build-38945-730/root/chroot_tmpdir/scmroot/xml-commons-apis'...
$ git fetch origin a04f58337fe225d31354354da064e3cf018a2081:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xml-commons-apis
 * [new ref]         a04f58337fe225d31354354da064e3cf018a2081 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a04f583 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild