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https://github.com/morluto/rea.git
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Rudy Mizrahi Celekliandgensokyo-dev
98422997c0
fix(setup): report Kuna cache aliases consistently (#7207) Unify lexical default-cache reports without changing removal authority. Plan selections before deleting managed directories; resolve absolute POSIX paths independently of ambient cwd. Preserve parent traversal, literal backslashes, caller data, and result/removal order. Co-authored-by: gensokyo-dev <342580529+gensokyo-dev@users.noreply.github.com>
49 lines
1.9 KiB
TypeScript
49 lines
1.9 KiB
TypeScript
import { posix, win32 } from "node:path";
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/** Append a relative child without collapsing POSIX symlink/.. traversal.
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* Preserve relative parents too: configuration admission owns absolute-path validation.
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*/
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export const appendCallerPath = (
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parent: string,
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child: string,
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platform: NodeJS.Platform = process.platform,
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): string =>
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platform === "win32"
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? win32.join(parent, child)
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: parent === ""
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? child
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: `${parent.endsWith("/") ? parent : `${parent}/`}${child}`;
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/**
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* Make a caller-selected local path absolute without changing which file it
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* names. POSIX resolves `..` after following the preceding symlink, so lexical
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* normalization of `link/../file` can select a different file. On POSIX, only
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* interior `.` segments and repeated separators are removed, which never
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* change the named file; every `..` is kept for the filesystem to resolve, and
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* a trailing `/` or `/.` keeps its directory requirement as one trailing `/`.
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* A relative `cwd` is made absolute the same way. Win32 resolves `..`
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* lexically, so normalizing there is exact. Absolute POSIX paths never need
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* the ambient cwd, which may already have been removed during cleanup.
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*/
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export const absoluteCallerPath = (
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path: string,
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{
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cwd,
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platform = process.platform,
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}: { readonly cwd?: string; readonly platform?: NodeJS.Platform } = {},
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): string => {
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if (platform === "win32") return win32.resolve(cwd ?? process.cwd(), path);
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if (!posix.isAbsolute(path)) {
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const selectedCwd = cwd ?? process.cwd();
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const base = posix.isAbsolute(selectedCwd)
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? selectedCwd
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: absoluteCallerPath(selectedCwd, { platform });
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return absoluteCallerPath(`${base}/${path}`, { platform });
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}
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const segments = path
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.split("/")
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.filter((segment) => segment !== "" && segment !== ".");
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const directory = /\/\.?$/u.test(path) && segments.length > 0;
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return `/${segments.join("/")}${directory ? "/" : ""}`;
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};
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