$ git clone -n https://src.fedoraproject.org/rpms/plexus-xml.git /var/lib/mock/f41-build-756763-13422/root/chroot_tmpdir/scmroot/plexus-xml
Cloning into '/var/lib/mock/f41-build-756763-13422/root/chroot_tmpdir/scmroot/plexus-xml'...
$ git fetch origin 475e82bdc960da771dadd6e3ec420bd958d0a7d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-xml
 * [new ref]         475e82bdc960da771dadd6e3ec420bd958d0a7d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 475e82b bump of release for for java-21-openjdk as system jdk