repo/gentoo.git - Official Gentoo ebuild repositoryhttps://gitweb.gentoo.org/repo/gentoo.git/commit/eclass/gnome2-utils.eclass?id=56bd759df1d0c750a065b8c845e93d5dfa6b549d
gnome2-utilsのinit commitから"+# This function should be called from pkg_postinst and pkg_postrm.+gnome2_icon_cache_update() {"と書いてある(◞‸◟)