$ git clone -n https://src.fedoraproject.org/rpms/rubygem-activesupport.git /var/lib/mock/f40-build-2224086-52767/root/chroot_tmpdir/scmroot/rubygem-activesupport
Cloning into '/var/lib/mock/f40-build-2224086-52767/root/chroot_tmpdir/scmroot/rubygem-activesupport'...
$ git fetch origin e8270956dbc8e00b58eda5d9ef30f0dad0311aee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-activesupport
 * [new ref]         e8270956dbc8e00b58eda5d9ef30f0dad0311aee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e827095 Add explicit dependencies to avoid Ruby 3.3 warnings.