Add powerlevel9k fallback mode for SSH clients without fonts

zsh/.zshrc

@@ -153,6 +153,16 @@ fi
 
 source ~/.dot-file-repo/zsh/powerlevel9k_settings.sh
 
+# Fall back mode for powerlevel9k when SSH-ing to server with dot-file-repo and
+# powerlevel9k installed, but dot-file-repo and fonts not available on client.
+if [ -z $SSH_CLIENT ]; then
+    # this env variable will be available only if this .zshrc is used on client
+    export LC_CLIENT_HAS_DOT_FILE_REPO=1
+fi
+if [ -z $LC_CLIENT_HAS_DOT_FILE_REPO ]; then
+    source ~/.dot-file-repo/zsh/powerlevel9k_settings_no_font_fallback.sh
+fi
+
 
 # zsh-syntax-highlighting
 # From here, maybe interesting:

zsh/powerlevel9k_settings_no_font_fallback.sh

@@ -0,0 +1,11 @@
+POWERLEVEL9K_HOME_ICON=''
+POWERLEVEL9K_HOME_SUB_ICON=''
+POWERLEVEL9K_FOLDER_ICON=''
+POWERLEVEL9K_SSH_ICON=''
+
+POWERLEVEL9K_LEFT_SEGMENT_SEPARATOR=""
+POWERLEVEL9K_LEFT_SUBSEGMENT_SEPARATOR=""
+POWERLEVEL9K_RIGHT_SEGMENT_SEPARATOR=""
+POWERLEVEL9K_RIGHT_SUBSEGMENT_SEPARATOR=""
+
+POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(host dir_writable dir vcs)