Add a central version.json file. Change package building to insert version, revision, and timestamp. Auto-push tags.

common.jake

@@ -2,6 +2,7 @@ var SYSTEM = require("system");
 var FILE = require("file");
 var OS = require("os");
 var UTIL = require("util");
+var stream = require("term").stream;
 
 var requiresSudo = false;
 
@@ -288,6 +289,31 @@ global.symlink_executable = function(source)
     FILE.symlink(relative, destination);
 }
 
+function getCappuccinoVersion() {
+    var versionFile = FILE.path(module.path).dirname().join("version.json");
+    return JSON.parse(versionFile.read({ charset : "UTF-8" })).version;
+}
+
+global.setPackageMetadata = function(packagePath) {
+    var pkg = JSON.parse(FILE.read(packagePath, { charset : "UTF-8" }));
+
+    var p = OS.popen(["git", "rev-parse", "--verify", "HEAD"]);
+    if (p.wait() === 0) {
+        var sha = p.stdout.read().split("\n")[0];
+        if (sha.length === 40)
+            pkg["cappuccino-revision"] = sha;
+    }
+
+    pkg["cappuccino-timestamp"] = new Date().getTime();
+    pkg["version"] = getCappuccinoVersion();
+
+    stream.print("    Version:   \0purple(" + pkg["version"] + "\0)");
+    stream.print("    Revision:  \0purple(" + pkg["cappuccino-revision"] + "\0)");
+    stream.print("    Timestamp: \0purple(" + pkg["cappuccino-timestamp"] + "\0)");
+
+    FILE.write(packagePath, JSON.stringify(pkg, null, 4), { charset : "UTF-8" });
+}
+
 global.subtasks = function(subprojects, taskNames)
 {
     taskNames.forEach(function(aTaskName)