$ git clone -n https://src.fedoraproject.org/rpms/rubygem-http-cookie.git /var/lib/mock/f39-build-1499329-34744/root/chroot_tmpdir/scmroot/rubygem-http-cookie
Cloning into '/var/lib/mock/f39-build-1499329-34744/root/chroot_tmpdir/scmroot/rubygem-http-cookie'...
$ git fetch origin 193155d913aeae96c2a7de94a7c0012dcb84252d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-http-cookie
 * [new ref]         193155d913aeae96c2a7de94a7c0012dcb84252d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 193155d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild