$ git clone -n https://src.fedoraproject.org/rpms/xml-maven-plugin.git /var/lib/mock/f41-build-790267-13610/root/chroot_tmpdir/scmroot/xml-maven-plugin
Cloning into '/var/lib/mock/f41-build-790267-13610/root/chroot_tmpdir/scmroot/xml-maven-plugin'...
$ git fetch origin 085b1832c8554a0d63d8ad1495fcf1c3db83a9d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xml-maven-plugin
 * [new ref]         085b1832c8554a0d63d8ad1495fcf1c3db83a9d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 085b183 Rebuilt for java-21-openjdk as system jdk