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+# Make themes a unique array
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+typeset -Ua themes
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+
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+if [[ "${(t)ZSH_THEME_RANDOM_CANDIDATES}" = array && ${#ZSH_THEME_RANDOM_CANDIDATES[@]} -gt 0 ]]; then
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+ # Use ZSH_THEME_RANDOM_CANDIDATES if properly defined
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+ themes=($ZSH_THEME_RANDOM_CANDIDATES)
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+else
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+ # Look for themes in $ZSH_CUSTOM and $ZSH and add only the theme name
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+ themes=(
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+ "$ZSH_CUSTOM"/*.zsh-theme(N:t:r)
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+ "$ZSH_CUSTOM"/themes/*.zsh-theme(N:t:r)
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+ "$ZSH"/themes/*.zsh-theme(N:t:r)
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+ )
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+ # Remove blacklisted themes from the list
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+ for theme in ${ZSH_THEME_RANDOM_BLACKLIST[@]}; do
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+ themes=("${(@)themes:#$theme}")
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+ done
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+fi
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+
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+# Choose a theme out of the pool of candidates
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+N=${#themes[@]}
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+(( N = (RANDOM%N) + 1 ))
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+RANDOM_THEME="${themes[$N]}"
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+unset N themes theme
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+
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+# Source theme
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+if [[ -f "$ZSH_CUSTOM/$RANDOM_THEME.zsh-theme" ]]; then
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+ source "$ZSH_CUSTOM/$RANDOM_THEME.zsh-theme"
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+elif [[ -f "$ZSH_CUSTOM/themes/$RANDOM_THEME.zsh-theme" ]]; then
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+ source "$ZSH_CUSTOM/themes/$RANDOM_THEME.zsh-theme"
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+elif [[ -f "$ZSH/themes/$RANDOM_THEME.zsh-theme" ]]; then
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+ source "$ZSH/themes/$RANDOM_THEME.zsh-theme"
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+else
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+ echo "[oh-my-zsh] Random theme '${RANDOM_THEME}' not found"
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+ return 1
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+fi
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+
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+echo "[oh-my-zsh] Random theme '${RANDOM_THEME}' loaded"
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