$ git clone -n https://src.fedoraproject.org/rpms/dolfin.git /var/lib/mock/f40-build-740369-109660/root/chroot_tmpdir/scmroot/dolfin
Cloning into '/var/lib/mock/f40-build-740369-109660/root/chroot_tmpdir/scmroot/dolfin'...
$ git fetch origin 3765bad2d1bab43de76652c4f3356524caefd9b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dolfin
 * [new ref]         3765bad2d1bab43de76652c4f3356524caefd9b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3765bad Rebuild for sundials-6.6.1 and petsc-3.20.0