$ git clone -n https://src.fedoraproject.org/rpms/amg4psblas.git /var/lib/mock/f40-build-1314878-23514/root/chroot_tmpdir/scmroot/amg4psblas
Cloning into '/var/lib/mock/f40-build-1314878-23514/root/chroot_tmpdir/scmroot/amg4psblas'...
$ git fetch origin cb4e23b35ef496a371b757d072951e8ba2428534:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/amg4psblas
 * [new ref]         cb4e23b35ef496a371b757d072951e8ba2428534 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb4e23b Rebuild with suitesparse 7.6.0