by "${T}"/environment.
svn path=/main/trunk/; revision=8911
PORTAGE_DEPCACHEDIR PORTAGE_GID PORTAGE_INST_GID \
PORTAGE_INST_UID PORTAGE_LOG_FILE PORTAGE_MASTER_PID \
PORTAGE_REPO_NAME PORTAGE_RESTRICT PORTAGE_WORKDIR_MODE PORTDIR \
- PORTDIR_OVERLAY PREROOTPATH \
+ PORTDIR_OVERLAY ${!PORTAGE_SANDBOX_*} PREROOTPATH \
PROFILE_PATHS PWORKDIR QA_INTERCEPTORS \
RC_DEFAULT_INDENT RC_DOT_PATTERN RC_ENDCOL \
RC_INDENTATION READONLY_EBUILD_METADATA READONLY_PORTAGE_VARS \