lib/theme-and-appearance.zsh

@@ -39,11 +39,6 @@ if [[ "$DISABLE_LS_COLORS" != "true" ]]; then
   fi
 fi
 
-# enable diff color if possible.
-if diff --color . . &>/dev/null; then
-  alias diff='diff --color'
-fi
-
 setopt auto_cd
 setopt multios
 setopt prompt_subst

themes/agnoster.zsh-theme

@@ -106,7 +106,7 @@ prompt_git() {
   }
   local ref dirty mode repo_path
 
-   if [[ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]]; then
+  if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
     repo_path=$(git rev-parse --git-dir 2>/dev/null)
     dirty=$(parse_git_dirty)
     ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git rev-parse --short HEAD 2> /dev/null)"