update

package/node_modules/pacote/lib/file.js

@@ -0,0 +1,94 @@
+const { resolve } = require('node:path')
+const { stat, chmod } = require('node:fs/promises')
+const cacache = require('cacache')
+const fsm = require('fs-minipass')
+const Fetcher = require('./fetcher.js')
+const _ = require('./util/protected.js')
+
+class FileFetcher extends Fetcher {
+  constructor (spec, opts) {
+    super(spec, opts)
+    // just the fully resolved filename
+    this.resolved = this.spec.fetchSpec
+  }
+
+  get types () {
+    return ['file']
+  }
+
+  manifest () {
+    if (this.package) {
+      return Promise.resolve(this.package)
+    }
+
+    // have to unpack the tarball for this.
+    return cacache.tmp.withTmp(this.cache, this.opts, dir =>
+      this.extract(dir)
+        .then(() => this[_.readPackageJson](dir))
+        .then(mani => this.package = {
+          ...mani,
+          _integrity: this.integrity && String(this.integrity),
+          _resolved: this.resolved,
+          _from: this.from,
+        }))
+  }
+
+  #exeBins (pkg, dest) {
+    if (!pkg.bin) {
+      return Promise.resolve()
+    }
+
+    return Promise.all(Object.keys(pkg.bin).map(async k => {
+      const script = resolve(dest, pkg.bin[k])
+      // Best effort.  Ignore errors here, the only result is that
+      // a bin script is not executable.  But if it's missing or
+      // something, we just leave it for a later stage to trip over
+      // when we can provide a more useful contextual error.
+      try {
+        const st = await stat(script)
+        const mode = st.mode | 0o111
+        if (mode === st.mode) {
+          return
+        }
+        await chmod(script, mode)
+      } catch {
+        // Ignore errors here
+      }
+    }))
+  }
+
+  extract (dest) {
+    // if we've already loaded the manifest, then the super got it.
+    // but if not, read the unpacked manifest and chmod properly.
+    return super.extract(dest)
+      .then(result => this.package ? result
+      : this[_.readPackageJson](dest).then(pkg =>
+        this.#exeBins(pkg, dest)).then(() => result))
+  }
+
+  [_.tarballFromResolved] () {
+    // create a read stream and return it
+    return new fsm.ReadStream(this.resolved)
+  }
+
+  packument () {
+    // simulate based on manifest
+    return this.manifest().then(mani => ({
+      name: mani.name,
+      'dist-tags': {
+        [this.defaultTag]: mani.version,
+      },
+      versions: {
+        [mani.version]: {
+          ...mani,
+          dist: {
+            tarball: `file:${this.resolved}`,
+            integrity: this.integrity && String(this.integrity),
+          },
+        },
+      },
+    }))
+  }
+}
+
+module.exports = FileFetcher