$ git clone -n https://src.fedoraproject.org/rpms/dotnet6.0.git /var/lib/mock/f39-build-2373170-60404/root/chroot_tmpdir/scmroot/dotnet6.0
Cloning into '/var/lib/mock/f39-build-2373170-60404/root/chroot_tmpdir/scmroot/dotnet6.0'...
$ git fetch origin 2dbfe7c2dfe46ed632dfeea8468c9e2a75d24d35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dotnet6.0
 * [new ref]         2dbfe7c2dfe46ed632dfeea8468c9e2a75d24d35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2dbfe7c Update to .NET SDK 6.0.126 and Runtime 6.0.26