Fix #539 Implement configurable "onload-script"

doc/config.md

@@ -369,3 +369,13 @@ An effective version of node to use when checking for "engines"
 compliance.
 
 Set to null or false to suppress engine checking altogether.
+
+## onload-script
+
+Default: false
+
+A script to run when npm loads.  Use this to hook into various events in
+the npm flow in a programmatic way, even when using npm from the command
+line.
+
+If false, then don't do any onload stuff.

lib/utils/default-config.js

@@ -39,6 +39,7 @@ module.exports =
   , manroot : path.join(process.execPath, "..", "..", "share", "man")
   , "must-install" : true
   , "node-version" : process.version
+  , "onload-script" : false
   , outfd : stdio.stdoutFD
   , proxy : process.env.http_proxy || null
   , prune : undefined // if set to boolean false, then that means "never"

lib/utils/parse-args.js

@@ -35,6 +35,7 @@ exports.types =
   , "must-install" : Boolean
   , "node-version" : String
   , outfd : [Number, Stream]
+  , "onload-script" : [false, String]
   , proxy : url
   , prune : Boolean
   , "rebuild-bundle" : Boolean
@@ -72,7 +73,7 @@ exports.shorthands =
   , "no-rb" : ["--no-rebuild-bundle"]
   , desc : ["--description"]
   , "no-desc" : ["--no-description"]
-  , "nv" : "--node-version"
+  , "nv" : ["--node-version"]
   }
 
 

man1/config.1

@@ -470,3 +470,14 @@ compliance\.
 .
 .P
 Set to null or false to suppress engine checking altogether\.
+.
+.SH "onload\-script"
+Default: false
+.
+.P
+A script to run when npm loads\.  Use this to hook into various events in
+the npm flow in a programmatic way, even when using npm from the command
+line\.
+.
+.P
+If false, then don\'t do any onload stuff\.

man1/get.1

@@ -470,3 +470,14 @@ compliance\.
 .
 .P
 Set to null or false to suppress engine checking altogether\.
+.
+.SH "onload\-script"
+Default: false
+.
+.P
+A script to run when npm loads\.  Use this to hook into various events in
+the npm flow in a programmatic way, even when using npm from the command
+line\.
+.
+.P
+If false, then don\'t do any onload stuff\.

man1/set.1

@@ -470,3 +470,14 @@ compliance\.
 .
 .P
 Set to null or false to suppress engine checking altogether\.
+.
+.SH "onload\-script"
+Default: false
+.
+.P
+A script to run when npm loads\.  Use this to hook into various events in
+the npm flow in a programmatic way, even when using npm from the command
+line\.
+.
+.P
+If false, then don\'t do any onload stuff\.

npm.js

@@ -128,12 +128,17 @@ npm.load = function (conf, cb_) {
   if (loaded) return cb()
   if (loading) return
   loading = true
+  var onload = true
   function cb (er) {
     loaded = true
     loadListeners.forEach(function (cb) {
       process.nextTick(function () { cb(er, npm) })
     })
     loadListeners.length = 0
+    if (onload = onload && npm.config.get("onload-script")) {
+      require(onload)
+      onload = false
+    }
   }
   log.waitForConfig()
   which(process.argv[0], function (er, node) {