1 files changed, 51 insertions, 0 deletions
diff --git a/deps/npm/node_modules/bin-links/lib/link-mans.js b/deps/npm/node_modules/bin-links/lib/link-mans.js
new file mode 100644
index 0000000000..6fb167e480
--- /dev/null
+++ b/deps/npm/node_modules/bin-links/lib/link-mans.js
@@ -0,0 +1,51 @@
+const { dirname, relative, join, resolve, basename } = require('path')
+const linkGently = require('./link-gently.js')
+const manTarget = require('./man-target.js')
+
+const linkMans = ({path, pkg, top, force}) => {
+  const target = manTarget({path, top})
+  if (!target || !pkg.man || !Array.isArray(pkg.man) || !pkg.man.length)
+    return Promise.resolve([])
+
+  // break any links to c:\\blah or /foo/blah or ../blah
+  // and filter out duplicates
+  const set = [...new Set(pkg.man.map(man =>
+    man ? join('/', man).replace(/\\|:/g, '/').substr(1) : null)
+    .filter(man => typeof man === 'string'))]
+
+  return Promise.all(set.map(man => {
+    const parseMan = man.match(/(.*\.([0-9]+)(\.gz)?)$/)
+    if (!parseMan) {
+      return Promise.reject(Object.assign(new Error('invalid man entry name\n' +
+        'Man files must end with a number, ' +
+        'and optionally a .gz suffix if they are compressed.'
+      ), {
+        code: 'EBADMAN',
+        path,
+        pkgid: pkg._id,
+        man,
+      }))
+    }
+
+    const stem = parseMan[1]
+    const sxn = parseMan[2]
+    const base = basename(stem)
+    const absFrom = resolve(path, man)
+    /* istanbul ignore if - that unpossible */
+    if (absFrom.indexOf(path) !== 0) {
+      return Promise.reject(Object.assign(new Error('invalid man entry'), {
+        code: 'EBADMAN',
+        path,
+        pkgid: pkg._id,
+        man,
+      }))
+    }
+
+    const to = resolve(target, 'man' + sxn, base)
+    const from = relative(dirname(to), absFrom)
+
+    return linkGently({from, to, path, absFrom, force})
+  }))
+}
+
+module.exports = linkMans