$ git clone -n https://src.fedoraproject.org/rpms/libfakekey.git /var/lib/mock/f40-build-786115-134177/root/chroot_tmpdir/scmroot/libfakekey
Cloning into '/var/lib/mock/f40-build-786115-134177/root/chroot_tmpdir/scmroot/libfakekey'...
$ git fetch origin a1aecf655056557cfd4b6908bc1e2da57e7f22ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfakekey
 * [new ref]         a1aecf655056557cfd4b6908bc1e2da57e7f22ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1aecf6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild