7073258a6a
Similarly to have we have with other commands, use Bash to speed it up.
Before:
```
$ hyperfine "brew list"
Benchmark 1: brew list
Time (mean ± σ): 559.9 ms ± 122.8 ms [User: 176.2 ms, System: 126.2 ms]
Range (min … max): 503.2 ms … 907.3 ms 10 runs
```
After:
```
$ hyperfine "brew list"
Benchmark 1: brew list
Time (mean ± σ): 223.7 ms ± 31.9 ms [User: 35.0 ms, System: 53.4 ms]
Range (min … max): 198.1 ms … 302.4 ms 10
```
Petty after comparison because someone on Homebrew/discussions compared
them:
```
$ hyperfine "brew list" "pip3 list"
Benchmark 1: brew list
Time (mean ± σ): 213.1 ms ± 22.8 ms [User: 34.2 ms, System: 49.2 ms]
Range (min … max): 191.2 ms … 272.3 ms 13 runs
Benchmark 2: pip3 list
Time (mean ± σ): 271.7 ms ± 4.6 ms [User: 191.9 ms, System: 40.0 ms]
Range (min … max): 264.7 ms … 281.4 ms 10 runs
Summary
brew list ran
1.28 ± 0.14 times faster than pip3 list
```
---
While we're here, also add the `HOMEBREW_CASKROOM` environment variable
to make things a bit cleaner and use `--caskroom` in documentation.
Co-authored-by: Carlo Cabrera <30379873+carlocab@users.noreply.github.com>
78 lines
1.6 KiB
Bash
78 lines
1.6 KiB
Bash
# does the quickest output of brew list possible for no named arguments.
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# HOMEBREW_CELLAR, HOMEBREW_PREFIX are set by brew.sh
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# shellcheck disable=SC2154
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homebrew-list() {
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case "$1" in
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# check we actually have list and not e.g. listsomething
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list) ;;
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list*) return 1 ;;
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*) ;;
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esac
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local ls_args=()
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local formula=""
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local cask=""
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for arg in "$@"
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do
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case "${arg}" in
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# check for flags passed to ls
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-1 | -l | -r | -t) ls_args+=("${arg}") ;;
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--formula | --formulae) formula=1 ;;
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--cask | --casks) cask=1 ;;
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# reject all other flags
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-* | *) return 1 ;;
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esac
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done
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local tty
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if [[ -t 1 ]]
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then
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tty=1
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fi
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local error_string="LS_ERRORED"
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if [[ -z "${cask}" && -d "${HOMEBREW_CELLAR}" ]]
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then
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if [[ -n "${tty}" && -z "${formula}" ]]
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then
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ohai "Formulae"
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fi
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local formula_output
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formula_output="$(ls "${ls_args[@]}" "${HOMEBREW_CELLAR}" || echo "${error_string}")"
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if [[ "${formula_output}" == "${error_string}" ]]
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then
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exit 1
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elif [[ -n "${formula_output}" ]]
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then
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echo "${formula_output}"
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fi
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if [[ -n "${tty}" && -z "${formula}" ]]
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then
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echo
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fi
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fi
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if [[ -z "${formula}" && -d "${HOMEBREW_CASKROOM}" ]]
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then
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if [[ -n "${tty}" && -z "${cask}" ]]
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then
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ohai "Casks"
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fi
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local cask_output
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cask_output="$(ls "${ls_args[@]}" "${HOMEBREW_CASKROOM}" || echo "${error_string}")"
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if [[ "${cask_output}" == "${error_string}" ]]
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then
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exit 1
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elif [[ -n "${cask_output}" ]]
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then
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echo "${cask_output}"
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fi
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return 0
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fi
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}
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