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90 lines
2.4 KiB
Bash
90 lines
2.4 KiB
Bash
# does the quickest output of brew --prefix/--cellar possible for the basic cases:
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# - `brew --prefix` (output HOMEBREW_PREFIX)
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# - `brew --cellar` (output HOMEBREW_CELLAR)
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# - `brew --prefix <formula>` (output HOMEBREW_PREFIX/opt/<formula>)
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# - `brew --cellar <formula>` (output HOMEBREW_CELLAR/<formula>)
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# anything else? delegate to the slower cmd/--prefix.rb and cmd/--cellar.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-formula-path() {
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while [[ "$#" -gt 0 ]]
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do
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case "$1" in
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# check we actually have --prefix and not e.g. --prefixsomething
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--prefix)
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local prefix="1"
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shift
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;;
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--cellar)
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local cellar="1"
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shift
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;;
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# reject all other flags
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-*) return 1 ;;
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*)
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[[ -n "${formula}" ]] && return 1
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local formula="$1"
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shift
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;;
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esac
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done
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[[ -z "${prefix}" && -z "${cellar}" ]] && return 1
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[[ -n "${prefix}" && -n "${cellar}" ]] && return 1 # don't allow both!
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if [[ -z "${formula}" ]]
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then
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if [[ -n "${prefix}" ]]
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then
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echo "${HOMEBREW_PREFIX}"
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else
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echo "${HOMEBREW_CELLAR}"
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fi
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return 0
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fi
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local formula_exists
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if [[ -f "${HOMEBREW_REPOSITORY}/Library/Taps/homebrew/homebrew-core/Formula/${formula}.rb" ]]
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then
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formula_exists="1"
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else
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local formula_path
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formula_path="$(
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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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[[ -n "${formula_path}" ]] && formula_exists="1"
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fi
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if [[ -z "${formula_exists}" &&
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-z "${HOMEBREW_NO_INSTALL_FROM_API}" ]]
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then
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if [[ -f "${HOMEBREW_CACHE}/api/formula_names.txt" ]] &&
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grep -Fxq "${formula}" "${HOMEBREW_CACHE}/api/formula_names.txt"
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then
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formula_exists="1"
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elif [[ -f "${HOMEBREW_CACHE}/api/formula_aliases.txt" ]]
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then
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while IFS="|" read -r alias_name real_name
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do
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case "${alias_name}" in
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"${formula}")
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formula_exists="1"
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formula="${real_name}"
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break
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;;
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*) ;;
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esac
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done <"${HOMEBREW_CACHE}/api/formula_aliases.txt"
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fi
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fi
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[[ -z "${formula_exists}" ]] && return 1
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if [[ -n "${prefix}" ]]
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then
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echo "${HOMEBREW_PREFIX}/opt/${formula}"
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else
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echo "${HOMEBREW_CELLAR}/${formula}"
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fi
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return 0
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}
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