$ git clone -n https://src.fedoraproject.org/rpms/dotnet6.0.git /var/lib/mock/f38-build-side-42-init-devel-1124835-30270/root/chroot_tmpdir/scmroot/dotnet6.0
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1124835-30270/root/chroot_tmpdir/scmroot/dotnet6.0'...
$ git fetch origin 7718b1fd647561177479b2431ccaa70ca52055c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dotnet6.0
 * [new ref]         7718b1fd647561177479b2431ccaa70ca52055c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7718b1f Update to .NET SDK 6.0.115 and Runtime 6.0.15