added npm cache cleanup script

1 files changed, 28 insertions, 5 deletions

diff --git a/test/common-tap.js b/test/common-tap.js
index 745528944..2efca30c4 100644
--- a/test/common-tap.js
+++ b/test/common-tap.js
@@ -1,13 +1,13 @@
 var spawn = require("child_process").spawn
+var path = require("path")
+var fs = require("fs")
 
 var port = exports.port = 1337
 exports.registry = "http://localhost:" + port
 process.env.npm_config_loglevel = "error"
 
-var npm_config_cache = __dirname + '/npm_cache'
-exports.child_env = {
-  npm_config_cache: npm_config_cache,
-}
+var npm_config_cache = path.resolve(__dirname, "npm_cache")
+exports.npm_config_cache = npm_config_cache
 
 var bin = exports.bin = require.resolve("../bin/npm-cli.js")
 var once = require("once")
@@ -19,7 +19,7 @@ exports.npm = function (cmd, opts, cb) {
 
   opts.env = opts.env ? opts.env : process.env
   if (!opts.env.npm_config_cache) {
-    opts.env.npm_config_cache = __dirname + "/npm_cache"
+    opts.env.npm_config_cache = npm_config_cache
   }
 
   var stdout = ""
@@ -42,3 +42,26 @@ exports.npm = function (cmd, opts, cb) {
   })
   return child
 }
+
+// based on http://bit.ly/1tkI6DJ
+function deleteNpmCacheRecursivelySync(cache) {
+  cache = cache ? cache : npm_config_cache
+  var files = []
+  var res
+  if( fs.existsSync(cache) ) {
+    files = fs.readdirSync(cache)
+    files.forEach(function(file,index) {
+      var curPath = path.resolve(cache, file)
+      if(fs.lstatSync(curPath).isDirectory()) { // recurse
+        deleteNpmCacheRecursivelySync(curPath)
+      } else { // delete file
+        if (res = fs.unlinkSync(curPath))
+          throw Error("Failed to delete file " + curPath + ", error " + res)
+      }
+    })
+    if (res = fs.rmdirSync(cache))
+      throw Error("Failed to delete directory " + cache + ", error " + res)
+  }
+  return 0
+}
+exports.deleteNpmCacheRecursivelySync = deleteNpmCacheRecursivelySync
\ No newline at end of file