$ git clone -n https://src.fedoraproject.org/rpms/cpipe.git /var/lib/mock/f40-build-794898-139802/root/chroot_tmpdir/scmroot/cpipe
Cloning into '/var/lib/mock/f40-build-794898-139802/root/chroot_tmpdir/scmroot/cpipe'...
$ git fetch origin f2b2f457f1d0e9fddd0dfdc94c53c283a6978df7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cpipe
 * [new ref]         f2b2f457f1d0e9fddd0dfdc94c53c283a6978df7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2b2f45 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild