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Neilandcarlosbaraza
15baf86660
* fix(agents): preserve environment prefixes in generation commands Adapted from the proposal by @carlosbaraza. Co-authored-by: carlosbaraza <carlosbaraza@users.noreply.github.com> * test(agents): respect Windows environment key normalization --------- Co-authored-by: carlosbaraza <carlosbaraza@users.noreply.github.com>
39 lines
1.2 KiB
TypeScript
39 lines
1.2 KiB
TypeScript
/** Leading assignments are data, never shell expressions. */
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export function extractLeadingEnvAssignments(tokens: string[]): {
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env?: Record<string, string>
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rest: string[]
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} {
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const assignments = new Map<string, string>()
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let index = 0
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for (const token of tokens) {
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if (!/^[A-Za-z_][A-Za-z0-9_]*=/.test(token)) {
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break
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}
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const equals = token.indexOf('=')
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const name = token.slice(0, equals)
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// Preserve last-assignment order when Windows folds differently cased names.
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assignments.delete(name)
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assignments.set(name, token.slice(equals + 1))
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index++
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}
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return {
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...(assignments.size ? { env: Object.fromEntries(assignments) } : {}),
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rest: tokens.slice(index)
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}
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}
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export function mergeCommandEnvironment(
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base: NodeJS.ProcessEnv | undefined,
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overrides: Record<string, string> | undefined,
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platform: NodeJS.Platform
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): NodeJS.ProcessEnv | undefined {
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if (!overrides) {
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return base
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}
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const entries = [...Object.entries(base ?? process.env), ...Object.entries(overrides)]
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// Windows keys share one spelling so guards cannot retain differently cased aliases.
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return Object.fromEntries(
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platform === 'win32' ? entries.map(([key, value]) => [key.toUpperCase(), value]) : entries
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)
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}
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