$ git clone -n https://src.fedoraproject.org/rpms/dotnet6.0.git /var/lib/mock/f39-build-1600496-38538/root/chroot_tmpdir/scmroot/dotnet6.0
Cloning into '/var/lib/mock/f39-build-1600496-38538/root/chroot_tmpdir/scmroot/dotnet6.0'...
$ git fetch origin 245ea64d28d274f21b7bda98592d0958852a69a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dotnet6.0
 * [new ref]         245ea64d28d274f21b7bda98592d0958852a69a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 245ea64 Update to .NET SDK 6.0.124 and Runtime 6.0.24