saving uncommitted changes in /etc prior to emerge run

._cfg0000_dispatch-conf.conf

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+#
+# dispatch-conf.conf
+#
+
+# Directory to archive replaced configs
+archive-dir=${EPREFIX}/etc/config-archive
+
+# Use rcs for storing files in the archive directory?
+# NOTE: You should install dev-vcs/rcs before enabling this option.
+# WARNING: When configured to use rcs, read and execute permissions of
+# archived files may be inherited from the first check in of a working
+# file, as documented in the ci(1) man page. This means that even if
+# the permissions of the working file have since changed, the older
+# permissions of the first check in may be inherited. As mentioned in
+# the ci(1) man page, users can control access to RCS files by setting
+# the permissions of the directory containing the files (see
+# archive-dir above).
+# (yes or no)
+use-rcs=no
+
+# Diff for display
+# %s old file
+# %s new file
+# If using colordiff instead of diff, the less -R option may be required
+# for correct display.
+diff="diff -Nu '%s' '%s'"
+
+# Set the pager for use with diff commands (this will
+# cause the PAGER environment variable to be ignored).
+# Setting pager="cat" will disable pager usage.
+pager=""
+
+# Default options used if less is the pager
+less-opts="--no-init --quit-if-one-screen"
+
+# Diff for interactive merges.
+# %s output file
+# %s old file
+# %s new file
+merge="sdiff --suppress-common-lines --output='%s' '%s' '%s'"
+
+# Automerge files comprising only CVS interpolations (e.g. Header or Id)
+# (yes or no)
+replace-cvs=yes
+
+# Automerge files comprising only whitespace and/or comments
+# (yes or no)
+replace-wscomments=no
+
+# Automerge files that the user hasn't modified
+# (yes or no)
+replace-unmodified=no
+
+# Ignore a version that is identical to the previously merged version,
+# even though it is different from the current user modified version
+# Note that emerge already has a similar feature enabled by default,
+# which can be disabled by the emerge --noconfmem option.
+# (yes or no)
+ignore-previously-merged=no
+
+# Per-session log file of changes made to configuration files
+#log-file=/var/log/dispatch-conf.log
+
+# List of frozen files for which dispatch-conf will automatically zap updates
+#frozen-files=""