mirror of
https://github.com/BurntSushi/ripgrep.git
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84 lines
2.7 KiB
Bash
84 lines
2.7 KiB
Bash
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#!/bin/sh
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# Compares options in `rg --help` output to options in zsh completion function
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set -e
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main() {
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local rg="target/${TARGET}/release/rg"
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local _rg='complete/_rg'
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local ret='0'
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local helpTemp="$( mktemp )"
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local compTemp="$( mktemp )"
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local diff
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[ -e "${rg}" ] || rg="target/${TARGET}/debug/rg"
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if [ ! -e "${rg}" ]; then
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printf 'File not found: %s\n' "${rg}" >&2
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ret='1'
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elif [ ! -e "${_rg}" ]; then
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printf 'File not found: %s\n' "${_rg}" >&2
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ret='1'
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else
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# 'Parse' options out of the `--help` output. To prevent false positives
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# we only look at lines where the first non-white-space character is `-`
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"${rg}" --help |
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"${rg}" -- '^\s*-' |
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"${rg}" -io -- '[\t ,](-[a-z0-9]|--[a-z0-9-]+)\b' |
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tr -d '\t ,' |
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sort -u > "${helpTemp}"
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# 'Parse' options out of the completion-function file. To prevent false
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# negatives, we:
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#
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# * Exclude lines that look like comments
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# * Exclude lines that don't appear to have a bracketed description
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# suitable for `_arguments`
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# * Exclude those bracketed descriptions so we don't match options
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# which might be referenced in them
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# * Exclude parenthetical lists of exclusive options so we don't match
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# those
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#
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# This does of course make the following assumptions:
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#
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# * Each option definition is on its own (single) line
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# * Each option definition has a description
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# * Option names are static — i.e., they aren't constructed from
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# variables or command substitutions. Brace expansion is OK as long as
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# each component of the expression is a complete option flag — in
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# other words, `{--foo,--bar}` is valid, but `--{foo,bar}` is not
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"${rg}" -v -- '^\s*#' "${_rg}" |
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"${rg}" --replace '$1' -- '^.*?(?:\(.+?\).*?)?(-.+)\[.+\].*' |
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tr -d "\t (){}*=+:'\"" |
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tr ',' '\n' |
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sort -u > "${compTemp}"
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diff="$(
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if diff --help 2>&1 | grep -qF -- '--label'; then
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diff -U2 \
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--label '`rg --help`' \
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--label "${_rg}" \
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"${helpTemp}" "${compTemp}" || true
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else
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diff -U2 \
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-L '`rg --help`' \
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-L "${_rg}" \
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"${helpTemp}" "${compTemp}" || true
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fi
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)"
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[ -n "${diff}" ] && {
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printf '%s\n' 'zsh completion options differ from `--help` options:' >&2
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printf '%s\n' "${diff}" >&2
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ret='1'
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}
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fi
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rm -f "${helpTemp}" "${compTemp}"
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return "${ret}"
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}
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main "${@}"
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