Changed lots of things, too lazy to comment it all.

i3/i3/scripts/genconfig.bash

@@ -9,6 +9,14 @@ CONF_DIR="$HOME/.i3/config.d"
 # file that should be used when no host specific configuration present
 DEFAULT_CONF="$CONF_DIR/default"
 
+LOGFILE="$LOGDIR/i3/genconfig.log"
+
+mkdir -p "$(dirname $LOGFILE)"
+
+log() {
+    echo "[$(date +%FT%T)] $*" >> "$LOGFILE"
+}
+
 host="$(hostname)"
 
 host_specific_conf="$CONF_DIR/$host.config"
@@ -19,15 +27,19 @@ host_specific_conf="$CONF_DIR/$host.config"
 if [[ ! -f "$host_specific_conf" ]] && [[ ! -f "$DEFAULT_CONF" ]]; then
     # if there is no host-specific configuration and no default one, just use
     # the main config
+    log "neither config for host $host nor default config at $DEFAULT_CONF found, using main only"
     ln -sf "$MAIN_CONF" "$SESSION_CONF"
 else
     # either use the host specific config if present, or the default if not
     if [[ -f "$host_specific_conf" ]]; then
+        log "found config for host $host at $host_specific_conf"
         conf_to_use="$host_specific_conf"
     else
+        log "no config for host $host found, using default one"
         conf_to_use="$DEFAULT_CONF"
     fi
     cat "$MAIN_CONF" <(echo -e "\n###\n### host-specific configuration for host \"$host\"\n###\n") "$conf_to_use" > "$SESSION_CONF"
+    log "created session config at $SESSION_CONF"
 fi
 
 echo "$SESSION_CONF"
@@ -35,4 +47,7 @@ echo "$SESSION_CONF"
 # if we got any parameters, tell i3 to reload the config
 # so the script can be used both on startup without reload (as i3 is not even
 # running yet) and later when reloading
-[[ -n "$1" ]] && i3-msg reload
+if [[ -n "$1" ]] ; then
+    log "telling i3 to reload the config file"
+    i3-msg reload
+fi