$ git clone -n https://src.fedoraproject.org/rpms/dotnet6.0.git /var/lib/mock/f39-build-1935180-43119/root/chroot_tmpdir/scmroot/dotnet6.0
Cloning into '/var/lib/mock/f39-build-1935180-43119/root/chroot_tmpdir/scmroot/dotnet6.0'...
$ git fetch origin f1a655c0f3d7c08e8ea355ab6bedd4322fd087f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dotnet6.0
 * [new ref]         f1a655c0f3d7c08e8ea355ab6bedd4322fd087f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1a655c Update to .NET SDK 6.0.125 and Runtime 6.0.25