$ git clone -n https://src.fedoraproject.org/rpms/maven-doxia.git /var/lib/mock/f40-build-1723685-24647/root/chroot_tmpdir/scmroot/maven-doxia
Cloning into '/var/lib/mock/f40-build-1723685-24647/root/chroot_tmpdir/scmroot/maven-doxia'...
$ git fetch origin 21a3e517586881c7705145869b7b6e861d726627:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-doxia
 * [new ref]         21a3e517586881c7705145869b7b6e861d726627 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21a3e51 Rebuilt for java-21-openjdk as system jdk