$ git clone -n https://src.fedoraproject.org/rpms/zegrapher.git /var/lib/mock/f39-build-1622891-38874/root/chroot_tmpdir/scmroot/zegrapher
Cloning into '/var/lib/mock/f39-build-1622891-38874/root/chroot_tmpdir/scmroot/zegrapher'...
$ git fetch origin 78156e06f42772d760de22ff2454bdcbf7973a9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zegrapher
 * [new ref]         78156e06f42772d760de22ff2454bdcbf7973a9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78156e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild