$ git clone -n https://src.fedoraproject.org/rpms/rubygem-treetop.git /var/lib/mock/f39-build-1499432-34744/root/chroot_tmpdir/scmroot/rubygem-treetop
Cloning into '/var/lib/mock/f39-build-1499432-34744/root/chroot_tmpdir/scmroot/rubygem-treetop'...
$ git fetch origin 7982ddf6c99342730527f19268e1349916160095:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-treetop
 * [new ref]         7982ddf6c99342730527f19268e1349916160095 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7982ddf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild