update cs video settings and ohmyzsh

exact_dot_oh-my-zsh/oh-my-zsh.sh

@@ -1,17 +1,15 @@
+# If ZSH is not defined, use the current script's directory.
+[[ -z "$ZSH" ]] && export ZSH="${${(%):-%x}:a:h}"
+
 # Set ZSH_CACHE_DIR to the path where cache files should be created
 # or else we will use the default cache/
 if [[ -z "$ZSH_CACHE_DIR" ]]; then
   ZSH_CACHE_DIR="$ZSH/cache"
 fi
 
-# Migrate .zsh-update file to $ZSH_CACHE_DIR
-if [ -f ~/.zsh-update ] && [ ! -f ${ZSH_CACHE_DIR}/.zsh-update ]; then
-    mv ~/.zsh-update ${ZSH_CACHE_DIR}/.zsh-update
-fi
-
 # Check for updates on initial load...
 if [ "$DISABLE_AUTO_UPDATE" != "true" ]; then
-  env ZSH=$ZSH ZSH_CACHE_DIR=$ZSH_CACHE_DIR DISABLE_UPDATE_PROMPT=$DISABLE_UPDATE_PROMPT zsh -f $ZSH/tools/check_for_upgrade.sh
+  source $ZSH/tools/check_for_upgrade.sh
 fi
 
 # Initializes Oh My Zsh
@@ -61,6 +59,17 @@ if [ -z "$ZSH_COMPDUMP" ]; then
   ZSH_COMPDUMP="${ZDOTDIR:-${HOME}}/.zcompdump-${SHORT_HOST}-${ZSH_VERSION}"
 fi
 
+# Construct zcompdump OMZ metadata
+zcompdump_revision="#omz revision: $(builtin cd -q "$ZSH"; git rev-parse HEAD 2>/dev/null)"
+zcompdump_fpath="#omz fpath: $fpath"
+
+# Delete the zcompdump file if OMZ zcompdump metadata changed
+if ! command grep -q -Fx "$zcompdump_revision" "$ZSH_COMPDUMP" 2>/dev/null \
+   || ! command grep -q -Fx "$zcompdump_fpath" "$ZSH_COMPDUMP" 2>/dev/null; then
+  command rm -f "$ZSH_COMPDUMP"
+  zcompdump_refresh=1
+fi
+
 if [[ $ZSH_DISABLE_COMPFIX != true ]]; then
   source $ZSH/lib/compfix.zsh
   # If completion insecurities exist, warn the user
@@ -72,6 +81,19 @@ else
   compinit -u -C -d "${ZSH_COMPDUMP}"
 fi
 
+# Append zcompdump metadata if missing
+if (( $zcompdump_refresh )); then
+  # Use `tee` in case the $ZSH_COMPDUMP filename is invalid, to silence the error
+  # See https://github.com/ohmyzsh/ohmyzsh/commit/dd1a7269#commitcomment-39003489
+  tee -a "$ZSH_COMPDUMP" &>/dev/null <<EOF
+
+$zcompdump_revision
+$zcompdump_fpath
+EOF
+fi
+
+unset zcompdump_revision zcompdump_fpath zcompdump_refresh
+
 
 # Load all of the config files in ~/oh-my-zsh that end in .zsh
 # TIP: Add files you don't want in git to .gitignore