$ git clone -n https://src.fedoraproject.org/rpms/srpc.git /var/lib/mock/f40-build-761054-121307/root/chroot_tmpdir/scmroot/srpc
Cloning into '/var/lib/mock/f40-build-761054-121307/root/chroot_tmpdir/scmroot/srpc'...
$ git fetch origin a087e2f69dfc9fe6078817467ed75fcb7b104e53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/srpc
 * [new ref]         a087e2f69dfc9fe6078817467ed75fcb7b104e53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a087e2f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild