$ git clone -n https://src.fedoraproject.org/rpms/log4j.git /var/lib/mock/f40-build-2490482-61656/root/chroot_tmpdir/scmroot/log4j
Cloning into '/var/lib/mock/f40-build-2490482-61656/root/chroot_tmpdir/scmroot/log4j'...
$ git fetch origin 3d7129c1304b052072700a0dd343075160cae160:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/log4j
 * [new ref]         3d7129c1304b052072700a0dd343075160cae160 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d7129c Rebuilt for java-21-openjdk as system jdk