saving uncommitted changes in /etc prior to emerge run

conf.d/redis

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+# Redis user.
+REDIS_USER="redis"
+
+# Redis group.
+REDIS_GROUP="redis"
+
+# Redis configuration file.
+REDIS_CONF="/etc/redis.conf"
+
+# Redis dump directory.
+REDIS_DIR="/var/lib/redis"
+
+# Redis pid file.
+# (Be sure to change the main redis configuration file as well if you change
+# this from the default.)
+REDIS_PID="/var/run/redis/redis.pid"
+
+# Redis options.
+# (Redis expects the first argument to be the configuration file.)
+REDIS_OPTS="${REDIS_CONF}"