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Fall back to making a regular copy if hard linking fails #75

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Fall back to making a regular copy if hard linking fails #75

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10 changes: 8 additions & 2 deletions pkgm.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -367,8 +367,14 @@ async function mirror_directory(dst: string, src: string, prefix: string) {
if (existsSync(targetPath)) {
await Deno.remove(targetPath);
}
// Create a hard link for files
await Deno.link(sourcePath, targetPath);
try {
// Create a hard link for files
await Deno.link(sourcePath, targetPath);
} catch {
// Fall back to a regular copy if hard linking fails (it is pretty typical
// for Linux distributions to setup home directories on a separate volume).
await Deno.copyFile(sourcePath, targetPath);
}
} else if (fileInfo.isSymlink) {
// Recreate symlink in the target directory
const linkTarget = await Deno.readLink(sourcePath);
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