$ git clone -n https://src.fedoraproject.org/rpms/maven-artifact-transfer.git /var/lib/mock/f40-build-2563924-62171/root/chroot_tmpdir/scmroot/maven-artifact-transfer
Cloning into '/var/lib/mock/f40-build-2563924-62171/root/chroot_tmpdir/scmroot/maven-artifact-transfer'...
$ git fetch origin 88c736cbea4e599afd7021a44f28256460d19788:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-artifact-transfer
 * [new ref]         88c736cbea4e599afd7021a44f28256460d19788 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88c736c Rebuilt for java-21-openjdk as system jdk