$ git clone -n https://src.fedoraproject.org/rpms/rubygem-actionmailer.git /var/lib/mock/f40-build-2305347-57080/root/chroot_tmpdir/scmroot/rubygem-actionmailer
Cloning into '/var/lib/mock/f40-build-2305347-57080/root/chroot_tmpdir/scmroot/rubygem-actionmailer'...
$ git fetch origin 4cc5f8278ee5f3eb5d89a14fbe7b8d29fab33155:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-actionmailer
 * [new ref]         4cc5f8278ee5f3eb5d89a14fbe7b8d29fab33155 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cc5f82 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild