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Add isSymlink function and use it in symlink_with_overwrite #78

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Add isSymlink function and use it in symlink_with_overwrite #78

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13 changes: 12 additions & 1 deletion pkgm.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -506,12 +506,23 @@ function expand_runtime_env(
}

function symlink_with_overwrite(src: string, dst: string) {
if (existsSync(dst) && Deno.lstatSync(dst).isSymlink) {
if (isSymlink(dst)) {
Deno.removeSync(dst);
}
Deno.symlinkSync(src, dst);
}

function isSymlink(path: string): boolean {
try {
return Deno.lstatSync(path).isSymlink;
} catch (err) {
if (err instanceof Deno.errors.NotFound) {
return false;
}
throw err;
}
}

function get_pkgx() {
for (const path of Deno.env.get("PATH")!.split(":")) {
const pkgx = join(path, "pkgx");
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