$ git clone -n https://src.fedoraproject.org/rpms/bcc.git /var/lib/mock/f40-build-2327842-58862/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/f40-build-2327842-58862/root/chroot_tmpdir/scmroot/bcc'...
$ git fetch origin eae885cfcc589dc5c8116e961a0407defa7b499e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcc
 * [new ref]         eae885cfcc589dc5c8116e961a0407defa7b499e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eae885c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild