$ git clone -n https://src.fedoraproject.org/rpms/picosat.git /var/lib/mock/f45-build-28501-631/root/chroot_tmpdir/scmroot/picosat
Cloning into '/var/lib/mock/f45-build-28501-631/root/chroot_tmpdir/scmroot/picosat'...
$ git fetch origin e49911111a96a12537a5e4dd78454706dfcb5343:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/picosat
 * [new ref]         e49911111a96a12537a5e4dd78454706dfcb5343 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e499111 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild