$ git clone -n https://src.fedoraproject.org/rpms/rubygem-activesupport.git /var/lib/mock/f38-build-side-42-init-devel-573900-25952/root/chroot_tmpdir/scmroot/rubygem-activesupport
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-573900-25952/root/chroot_tmpdir/scmroot/rubygem-activesupport'...
$ git fetch origin c09e17dc2e8eb62b68a1e4f680655d20d92627b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-activesupport
 * [new ref]         c09e17dc2e8eb62b68a1e4f680655d20d92627b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c09e17d Update to activesupport 7.0.4.3.