$ git clone -n https://src.fedoraproject.org/rpms/paho-c.git /var/lib/mock/f39-build-1470212-33884/root/chroot_tmpdir/scmroot/paho-c
Cloning into '/var/lib/mock/f39-build-1470212-33884/root/chroot_tmpdir/scmroot/paho-c'...
$ git fetch origin 9c3004f5b573598f00947510ae50723a95bf8fe1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/paho-c
 * [new ref]         9c3004f5b573598f00947510ae50723a95bf8fe1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c3004f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild