$ git clone -n https://src.fedoraproject.org/rpms/rubygem-ruby-shadow.git /var/lib/mock/f40-build-777985-129689/root/chroot_tmpdir/scmroot/rubygem-ruby-shadow
Cloning into '/var/lib/mock/f40-build-777985-129689/root/chroot_tmpdir/scmroot/rubygem-ruby-shadow'...
$ git fetch origin 798464bec36c9c532dbc08d4bba683a2dd36269f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-ruby-shadow
 * [new ref]         798464bec36c9c532dbc08d4bba683a2dd36269f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 798464b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild