$ git clone -n https://src.fedoraproject.org/rpms/copy-jdk-configs.git /var/lib/mock/f40-build-1993357-43677/root/chroot_tmpdir/scmroot/copy-jdk-configs
Cloning into '/var/lib/mock/f40-build-1993357-43677/root/chroot_tmpdir/scmroot/copy-jdk-configs'...
$ git fetch origin f136b3402da5f6c0c1f6cb75c85fec8fc550bc9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/copy-jdk-configs
 * [new ref]         f136b3402da5f6c0c1f6cb75c85fec8fc550bc9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f136b34 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild