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Add cURL's boolean options and their aliases
by parsing the output of `curl --help`
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| // This script generates a list of all of cURL's options | ||
| // by parsing `curl --help` | ||
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| const { execSync } = require('child_process') | ||
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| const stdin = execSync('curl --help').toString() | ||
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| // https://github.com/curl/curl/pull/7378 | ||
| const actuallyNotBooleanOpts = ['tlspassword', 'stderr', 'request-target', 'quote'] | ||
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| const booleanOpts = [] | ||
| // Use Map to maintain the same order as `curl --help` to reduce churn in diffs | ||
| // TODO: format Map as object instead of having to do it by hand | ||
| const aliases = new Map() | ||
| for (const line of stdin.split('\n')) { | ||
| if (line.startsWith('Usage: ') || !line) { | ||
| continue | ||
| } | ||
| const match = line.match(/^( -(?<short>.),)? +--(?<long>\S+) /) | ||
| if (!match) { | ||
| console.error('failed to match line:', line) | ||
| continue | ||
| } | ||
| const short = match.groups.short | ||
| let long = match.groups.long | ||
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| // All of cURL's short options have a long form | ||
| if (short && !long) { | ||
| console.error('short option doesn\'t have long option', line) | ||
| } | ||
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| // If line looks something like | ||
| // --user-agent <name> | ||
| // or | ||
| // --proxy [protocol://]host[:port] | ||
| // it's not a boolean option. | ||
| const isBooleanOpt = !(line.match(/^( -(?<short>.),)? +--(?<long>\S+) +[[<]/)) && !actuallyNotBooleanOpts.includes(long) | ||
| // Should be checked by hand | ||
| // console.error((isBooleanOpt + '').padEnd(5), line) | ||
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| if (long.startsWith('no-')) { | ||
| if (!isBooleanOpt) { | ||
| console.error('non-boolean option starts with negation prefix "no-"', line) | ||
| } | ||
| // Yargs' 'boolean-negation' (enabled by default) takes care of these. | ||
| // | ||
| // There's a -N short option which is short for --no-buffer, but because we remove the | ||
| // "no-" here, -N is incorrectly aliased to --buffer instead. | ||
| // This is okay because we don't do anything with --buffer's value, we just need yargs to | ||
| // parse it as a boolean option. | ||
| // https://github.com/yargs/yargs-parser/issues/406 | ||
| long = long.slice(3) | ||
| } | ||
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| if (short && long) { | ||
| aliases.set(short, long) | ||
| } | ||
| if (isBooleanOpt) { | ||
| booleanOpts.push(long) | ||
| } | ||
| } | ||
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| console.dir({ | ||
| boolean: booleanOpts, | ||
| alias: aliases, | ||
| configuration: {} | ||
| }, { maxArrayLength: null }) |
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