34 lines
1.2 KiB
Bash
34 lines
1.2 KiB
Bash
# does the quickest output of brew --prefix possible for the basic cases:
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# - `brew --prefix` (output HOMEBREW_PREFIX)
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# - `brew --prefix <formula>` (output HOMEBREW_PREFIX/opt/<formula>)
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# anything else? delegate to the slower cmd/--prefix.rb
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# HOMEBREW_PREFIX and HOMEBREW_REPOSITORY are set by brew.sh
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# shellcheck disable=SC2154
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homebrew-prefix() {
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while [[ "$#" -gt 0 ]]; do
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case $1 in
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# check we actually have --prefix and not e.g. --prefixsomething
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--prefix) local prefix="1"; shift ;;
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# reject all other flags
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-*) return 1 ;;
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*) [ -n "${formula}" ] && return 1; local formula="$1"; shift ;;
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esac
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done
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[ -z "${prefix}" ] && return 1
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[ -z "${formula}" ] && echo "${HOMEBREW_PREFIX}" && return 0
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local formula_path
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if [ -f "${HOMEBREW_REPOSITORY}/Library/Taps/homebrew/homebrew-core/Formula/${formula}.rb" ]; then
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formula_path="${HOMEBREW_REPOSITORY}/Library/Taps/homebrew/homebrew-core/Formula/${formula}.rb"
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else
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formula_path="$(
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shopt -s nullglob
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echo "${HOMEBREW_REPOSITORY}/Library/Taps"/*/*/{Formula/,HomebrewFormula/,}"${formula}.rb"
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)"
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fi
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[ -z "${formula_path}" ] && return 1
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echo "${HOMEBREW_PREFIX}/opt/${formula}"
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return 0
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}
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