saving uncommitted changes in /etc prior to emerge run

prelink.conf

@@ -1,39 +1,48 @@
-# This config file contains a list of directories both with binaries
+# prelink.conf autogenerated by eselect
-# and libraries prelink should consider by default.
+# Make all changes to /etc/env.d files
-# If a directory name is prefixed with `-l ', the directory hierarchy
-# will be walked as long as filesystem boundaries are not crossed.
-# If a directory name is prefixed with `-h ', symbolic links in a
-# directory hierarchy are followed.
-# Directories or files with `-b ' prefix will be blacklisted.
--c /etc/prelink.conf.d/*.conf
--b *.la
--b *.png
--b *.py
--b *.pl
--b *.pm
--b *.sh
--b *.xml
--b *.xslt
--b *.a
--b *.js
--b /lib/modules
--b /usr/lib{,x32,32,64}/locale
--b /usr/lib{,x32,32,64}/wine
--b /usr/lib{,x32,32,64}/valgrind
--b /usr/X11R6/lib{,x32,32,64}/X11/xfig
--b /usr/src
 -l /bin
--l /usr/bin
 -l /sbin
+-l /usr/bin
 -l /usr/sbin
--l /usr/X11R6/bin
+-l /lib
--l /usr/kerberos/bin
+-l /usr/lib
--l /usr/games
+-l /lib32
--l /usr/libexec
+-l /usr/lib32
--l /var/ftp/bin
+-l /lib64
--l /lib{,x32,32,64}
+-l /usr/lib64
--l /usr/lib{,x32,32,64}
+-h /opt/bin/
--l /usr/X11R6/lib{,x32,32,64}
+-h /usr/x86_64-pc-linux-gnu/gcc-bin/4.8.5/
--l /usr/kerberos/lib{,x32,32,64}
+-h /usr/x86_64-pc-linux-gnu/gnat-gcc-bin/4.3/
--l /usr/X11R6/LessTif
+-h /usr/libexec/gnat-gcc/x86_64-pc-linux-gnu/4.3/
--l /var/ftp/lib{,x32,32,64}
+-h /opt/nvidia-cg-toolkit/bin/
+-h /usr/games/bin/
+-h /opt/aws-as-tools/bin/
+-h /lib64/
+-h /usr/lib64/
+-h /usr/local/lib64/
+-h /lib32/
+-h /usr/lib32/
+-h /usr/local/lib32/
+-h /lib/
+-h /usr/lib/
+-h /usr/local/lib/
+-h include ld.so.conf.d/*.conf/
+-h /usr/lib32/OpenCL/vendors/nvidia/
+-h /usr/lib64/OpenCL/vendors/nvidia/
+-h /usr/lib32/opengl/nvidia/lib/
+-h /usr/lib64/opengl/nvidia/lib/
+-h /usr/lib32/qt4/
+-h /usr/lib64/qt4/
+-h /usr/lib64/gnat-gcc/x86_64-pc-linux-gnu/4.3/
+-h /usr/lib64/gnat-gcc/x86_64-pc-linux-gnu/4.3/adalib/
+-h /opt/nvidia-cg-toolkit/lib32/
+-h /opt/nvidia-cg-toolkit/lib64/
+-h /usr/games/lib64/
+-h /usr/games/lib32/
+-h /usr/games/lib/
+-b /usr/lib64/libfreebl3.so
+-b /usr/lib64/libnssdbm3.so
+-b /usr/lib64/libsoftokn3.so
+-b /usr/lib32/libfreebl3.so
+-b /usr/lib32/libnssdbm3.so
+-b /usr/lib32/libsoftokn3.so