$ git clone -n https://src.fedoraproject.org/rpms/xml-maven-plugin.git /var/lib/mock/f40-build-2626520-65282/root/chroot_tmpdir/scmroot/xml-maven-plugin
Cloning into '/var/lib/mock/f40-build-2626520-65282/root/chroot_tmpdir/scmroot/xml-maven-plugin'...
$ git fetch origin 3ba4cd73b9fda39e4ca3775259fd0a0f0b36f702:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xml-maven-plugin
 * [new ref]         3ba4cd73b9fda39e4ca3775259fd0a0f0b36f702 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ba4cd7 Rebuilt for java-21-openjdk as system jdk