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@@ -1,9 +1,9 @@
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-HEROKU_AC_CACHE_DIR="$HOME/.cache"
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-if [ "$(uname -s)" = "Darwin" ]; then
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- HEROKU_AC_CACHE_DIR="$HOME/Library/Caches"
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+if [[ "$OSTYPE" = darwin* ]]; then
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+ cache_dir="${HOME}/Library/Caches"
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+else
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+ cache_dir="${XDG_CACHE_HOME:-"${HOME}/.cache"}"
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fi
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-if [ ! -z "$XDG_CACHE_HOME" ]; then
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- HEROKU_AC_CACHE_DIR="$XDG_CACHE_DIR"
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-fi
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-HEROKU_AC_ZSH_SETUP_PATH=$HEROKU_AC_CACHE_DIR/heroku/autocomplete/zsh_setup
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-[ -f $HEROKU_AC_ZSH_SETUP_PATH ] && source $HEROKU_AC_ZSH_SETUP_PATH
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+
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+setup_path="${cache_dir}/heroku/autocomplete/zsh_setup"
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+[[ -f "$setup_path" ]] && source $setup_path
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+unset cache_dir setup_path
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