$ git clone -n https://src.fedoraproject.org/rpms/maven-mapping.git /var/lib/mock/f39-build-1505934-35167/root/chroot_tmpdir/scmroot/maven-mapping
Cloning into '/var/lib/mock/f39-build-1505934-35167/root/chroot_tmpdir/scmroot/maven-mapping'...
$ git fetch origin 14920eda8bae30ee58765e0f367f1543a575062a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-mapping
 * [new ref]         14920eda8bae30ee58765e0f367f1543a575062a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14920ed Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild