saving uncommitted changes in /etc prior to emerge run

psd.conf

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+#
+# /etc/psd.conf
+#
+# For documentation, refer to the psd man page or the wiki page
+# https://wiki.archlinux.org/index.php/Profile-sync-daemon
+
+## WARNING Do NOT change anything in the file while psd is running!
+##
+## 1) Stop psd
+## 2) Save changes to /etc/psd.conf
+## 3) Start psd
+##
+## You have been warned!
+
+# List users separated by spaces whose browser(s) profile(s) will get symlinked
+# and sync'ed to tmpfs
+# Do NOT list a user twice!
+#
+# Example
+# USERS="facade happy"
+USERS="jule"
+
+# List browsers separated by spaces to include in the sync. Useful if you do not
+# wish to have all possible browser profiles sync'ed
+#
+# Possible values:
+#		chromium
+#		conkeror.mozdev.org
+#		firefox
+#		firefox-trunk
+#		google-chrome
+#		heftig-aurora
+#		luakit
+#		midori
+#		opera
+#		opera-next
+#		qupzilla
+#		rekonq
+#		seamonkey
+#
+# Uncomment and select which browsers to manage if you wish
+# Otherwise all available/supported browsers will be managed
+BROWSERS="firefox"
+
+# Define where browser profiles will reside in tmpfs
+# This location must be mounted to tmpfs and MUST have permissions of 777
+# Use NO trailing backslash!
+#
+# Suggested locations based on distro defaults:
+#   Arch Linux/Chakra, Fedora, and Gentoo leave this commented out
+#   Debian 6 and below use a setting of "/dev/shm"
+#   Debian 7+  use a setting of "/runi/shm"
+VOLATILE="/dev/shm"
+
+# Define where the pid file for psd will reside
+#   Arch Linux/Chakra, Debian 7+, Fedora, and Gentoo leave this commented out
+#   Debian 6 and below/Mint/Ubuntu use a setting of "/var/run/psd"
+#
+#DAEMON_FILE="/run/psd"