$ git clone -n https://src.fedoraproject.org/rpms/rubygem-actionview.git /var/lib/mock/f40-build-2496877-61664/root/chroot_tmpdir/scmroot/rubygem-actionview
Cloning into '/var/lib/mock/f40-build-2496877-61664/root/chroot_tmpdir/scmroot/rubygem-actionview'...
$ git fetch origin 252897bd40e5c4b32c0b25c6303d1f319b165e3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-actionview
 * [new ref]         252897bd40e5c4b32c0b25c6303d1f319b165e3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 252897b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild