Simplified option variables for greater flexibility.

functions/alias.zsh

@@ -2,7 +2,7 @@ setopt correct        # Correct commands.
 setopt correct_all    # Correct all arguments.
 
 # The 'ls' Family
-if ! check-bool "$DISABLE_COLOR"; then
+if check-bool "$COLOR"; then
   if [[ -f "$HOME/.dir_colors" ]] && ( (( $+commands[dircolors] )) || ( (( $+plugins[(er)gnu-utils] )) && (( $+commands[gdircolors] )) ) ); then
     eval $("${commands[dircolors]:-$commands[gdircolors]}" "$HOME/.dir_colors")
     alias ls='ls -hF --group-directories-first --color=auto'
@@ -79,7 +79,7 @@ else
 fi
 
 # Diff/Make
-if ! check-bool "$DISABLE_COLOR"; then
+if check-bool "$COLOR"; then
   if (( $+commands[colordiff] )); then
     alias diff='colordiff -u'
     compdef colordiff=diff

functions/environment.zsh

@@ -64,7 +64,7 @@ export VISUAL="vim"
 export PAGER='less'
 
 # Grep
-if ! check-bool "$DISABLE_COLOR"; then
+if check-bool "$COLOR"; then
   export GREP_COLOR='37;45'
   export GREP_OPTIONS='--color=auto'
 fi
@@ -89,7 +89,7 @@ if (( $+commands[lesspipe.sh] )); then
 fi
 
 # Termcap
-if ! check-bool "$DISABLE_COLOR"; then
+if check-bool "$COLOR"; then
   export LESS_TERMCAP_mb=$'\E[01;31m'      # begin blinking
   export LESS_TERMCAP_md=$'\E[01;31m'      # begin bold
   export LESS_TERMCAP_me=$'\E[0m'          # end mode

functions/keyboard.zsh

@@ -67,7 +67,7 @@ if [[ "$KEYMAP" == (emacs|) ]]; then
   bindkey "${keys[Control]}x${keys[Control]}e" edit-command-line
 
   # Expand .... to ../..
-  if ! check-bool "$DISABLE_DOT_EXPANSION"; then
+  if check-bool "$DOT_EXPANSION"; then
     bindkey "." expand-dot-to-parent-directory-path
   fi
 
@@ -123,7 +123,7 @@ elif [[ "$KEYMAP" == 'vi' ]]; then
   bindkey -M vicmd -M viins "${keys[Control]}r" redo
 
   # Expand .... to ../..
-  if ! check-bool "$DISABLE_DOT_EXPANSION"; then
+  if check-bool "$DOT_EXPANSION"; then
     bindkey -M viins "." expand-dot-to-parent-directory-path
   fi
 
@@ -215,7 +215,7 @@ bindkey '^[[Z' reverse-menu-complete
 bindkey "${keys[Control]}i" expand-or-complete-prefix
 
 # Convert .... to ../.. automatically.
-if ! check-bool "$DISABLE_DOT_EXPANSION"; then
+if check-bool "$DOT_EXPANSION"; then
   function expand-dot-to-parent-directory-path() {
     if [[ $LBUFFER = *.. ]]; then
       LBUFFER+=/..
@@ -229,7 +229,7 @@ if ! check-bool "$DISABLE_DOT_EXPANSION"; then
 fi
 
 # Display an indicator when completing.
-if ! check-bool "$DISABLE_COMPLETION_INDICATOR"; then
+if check-bool "$COMPLETION_INDICATOR"; then
   function expand-or-complete-prefix-with-indicator() {
     echo -n "\e[31m...\e[0m"
     zle expand-or-complete-prefix

functions/terminal.zsh

@@ -69,7 +69,7 @@ autoload -Uz add-zsh-hook
 
 # Sets the tab and window titles before the prompt is displayed.
 function set-title-precmd {
-  if ! check-bool "$DISABLE_AUTO_TITLE"; then
+  if check-bool "$AUTO_TITLE"; then
     set-window-title "${(%):-%~}"
     for kind in tab screen; do
       # Left-truncate the current working directory to 15 characters.
@@ -81,7 +81,7 @@ add-zsh-hook precmd set-title-precmd
 
 # Sest the tab and window titles before command execution.
 function set-title-preexec {
-  if ! check-bool "$DISABLE_AUTO_TITLE"; then
+  if check-bool "$AUTO_TITLE"; then
     set-title-by-command "$2"
   fi
 }

oh-my-zsh.zsh

@@ -2,7 +2,7 @@
 
 # Disable color in dumb terminals.
 if [[ "$TERM" == 'dumb' ]]; then
-  DISABLE_COLOR='true'
+  COLOR='false'
 fi
 
 # Add functions to fpath.

plugins/history-substring-search/history-substring-search.plugin.zsh

@@ -2,11 +2,11 @@
 
 source "${0:r:r}.zsh"
 
-if test "$CASE_SENSITIVE" = true; then
+if check-bool "$CASE_SENSITIVE"; then
   unset HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS
 fi
 
-if test "$DISABLE_COLOR" = true; then
+if ! check-bool "$COLOR"; then
   unset HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
   unset HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
 fi

plugins/screen/screen.plugin.zsh

@@ -11,7 +11,7 @@ alias sr="screen -a -A -U -D -R"
 alias sn="screen -U -S"
 
 # Auto
-if (( $SHLVL == 1 )) && ! check-bool "$DISABLE_AUTO_SCREEN"; then
+if (( $SHLVL == 1 )) && check-bool "$AUTO_SCREEN"; then
   (( SHLVL += 1 )) && export SHLVL
   session="$(screen -list 2> /dev/null | sed '1d;$d' | awk '{print $1}' | head -1)"
   if [[ -n "$session" ]]; then

plugins/ssh-agent/ssh-agent.plugin.zsh

@@ -40,7 +40,7 @@ function _ssh-agent-start() {
 
 # Test if agent-forwarding is enabled.
 zstyle -b :omz:plugins:ssh-agent agent-forwarding _ssh_agent_forwarding
-if [[ "${_ssh_agent_forwarding}" == "yes" && -n "$SSH_AUTH_SOCK" ]]; then
+if check-bool "${_ssh_agent_forwarding}" && [[ -n "$SSH_AUTH_SOCK" ]]; then
   # Add a nifty symlink for screen/tmux if agent forwarding.
   [[ -L "$SSH_AUTH_SOCK" ]] || ln -sf "$SSH_AUTH_SOCK" /tmp/ssh-agent-$USER-screen
 elif [ -f "${_ssh_agent_env}" ]; then

plugins/tmux/tmux.plugin.zsh

@@ -10,7 +10,7 @@ alias tl="tmux list-sessions"
 alias ta="tmux attach-session"
 
 # Auto
-if (( $SHLVL == 1 )) && ! check-bool "$DISABLE_AUTO_TMUX"; then
+if (( $SHLVL == 1 )) && check-bool "$AUTO_TMUX"; then
   (( SHLVL += 1 )) && export SHLVL
   session="$(tmux list-sessions 2> /dev/null | cut -d':' -f1 | head -1)"
   if [[ -n "$session" ]]; then

templates/zshrc.template.zsh

@@ -4,20 +4,20 @@ OMZ="$HOME/.oh-my-zsh"
 # Set the key mapping style to 'emacs' or 'vi'.
 KEYMAP='emacs'
 
-# Set to 'true' to enable case-sensitivity.
+# Set case-sensitivity for completion, history lookup, etc.
 CASE_SENSITIVE='false'
 
-# Set to 'true' to disable color (auto set on dumb terminals).
-DISABLE_COLOR='false'
+# Color output (auto set to 'false' on dumb terminals).
+COLOR='true'
 
-# Set to 'true' to disable auto setting the tab and window titles.
-DISABLE_AUTO_TITLE='false'
+# Auto set the tab and window titles.
+AUTO_TITLE='true'
 
-# Set to 'false' to enable converting .... to ../.. automatically.
-DISABLE_DOT_EXPANSION='true'
+# Auto convert .... to ../..
+DOT_EXPANSION='false'
 
-# Set to 'false' to enable the completion indicator.
-DISABLE_COMPLETION_INDICATOR='true'
+# Indicate that completions are being generated.
+COMPLETION_INDICATOR='false'
 
 # Set the plugins to load (see $OMZ/plugins/).
 # Example: plugins=(git lighthouse rails ruby textmate)