$ git clone -n https://src.fedoraproject.org/rpms/mpsolve.git /var/lib/mock/f40-build-2140866-50850/root/chroot_tmpdir/scmroot/mpsolve
Cloning into '/var/lib/mock/f40-build-2140866-50850/root/chroot_tmpdir/scmroot/mpsolve'...
$ git fetch origin c744c52077ed0e0c1a4a9f9e590dac2a6ec737ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mpsolve
 * [new ref]         c744c52077ed0e0c1a4a9f9e590dac2a6ec737ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c744c52 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild