From a8988e3cd13d1ffab4291ec9fcbd2f88b8e424a2 Mon Sep 17 00:00:00 2001
From: John Resig <jeresig@gmail.com>
Date: Tue, 26 Apr 2011 16:23:09 -0400
Subject: [PATCH] Adding a Node-based release management script for pushing new
 releases to the CDN.

---
 build/release.js | 169 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 169 insertions(+)
 create mode 100644 build/release.js

diff --git a/build/release.js b/build/release.js
new file mode 100644
index 00000000..09f917b4
--- /dev/null
+++ b/build/release.js
@@ -0,0 +1,169 @@
+#!/usr/bin/env node
+/*
+ * jQuery Release Management
+ */
+
+var fs = require("fs"),
+	child = require("child_process"),
+	debug = false;
+
+var scpURL = "jqadmin@code.origin.jquery.com:/var/www/html/code.jquery.com/",
+	cdnURL = "http://code.origin.jquery.com/",
+
+	version = /^[\d.]+(?:(?:a|b|rc)\d+|pre)?$/,
+	versionFile = "version.txt",
+	
+	file = "dist/jquery.js",
+	minFile = "dist/jquery.min.js",
+	
+	files = {
+		"jquery-VER.js": file,
+		"jquery-VER.min.js": minFile
+	},
+	
+	finalFiles = {
+		"jquery.js": file,
+		"jquery-latest.js": file,
+		"jquery.min.js": minFile,
+		"jquery-latest.min.js": minFile
+	};
+
+exec( "git pull && git status", function( error, stdout, stderr ) {
+	if ( /Changes to be committed/i.test( stdout ) ) {
+		exit( "Please commit changed files before attemping to push a release." );
+
+	} else if ( /Changes not staged for commit/i.test( stdout ) ) {
+		exit( "Please stash files before attempting to push a release." );
+
+	} else {
+		setVersion();
+	}
+});
+
+function setVersion() {
+	var oldVersion = fs.readFileSync( versionFile, "utf8" );
+	
+	prompt( "New Version (was " + oldVersion + "): ", function( data ) {
+		if ( data && version.test( data ) ) {
+			fs.writeFileSync( versionFile, data );
+			
+			exec( "git commit -a -m 'Tagging the " + data + " release.' && git push && " +
+				"git tag " + data + " && git push origin " + data, function() {
+					make( data );
+			});
+			
+		} else {
+			console.error( "Malformed version number, please try again." );
+			setVersion();
+		}
+	});
+}
+
+function make( newVersion ) {
+	exec( "make clean && make", function( error, stdout, stderr ) {
+		// TODO: Verify JSLint
+		
+		Object.keys( files ).forEach(function( oldName ) {
+			var value = files[ oldName ], name = oldName.replace( /VER/g, newVersion );
+
+			copy( value, name );
+
+			delete files[ oldName ];
+			files[ name ] = value;
+		});
+
+		exec( "scp " + Object.keys( files ).join( " " ) + " " + scpURL, function() {
+			setNextVersion( newVersion );
+		});
+	});
+}
+
+function setNextVersion( newVersion ) {
+	var isFinal = false;
+	
+	if ( /(?:a|b|rc)\d+$/.test( newVersion ) ) {
+		newVersion = newVersion.replace( /(?:a|b|rc)\d+$/, "pre" );
+		
+	} else if ( /^\d+\.\d+\.?(\d*)$/.test( newVersion ) ) {
+		newVersion = newVersion.replace( /^(\d+\.\d+\.?)(\d*)$/, function( all, pre, num ) {
+			return pre + (num ? parseFloat( num ) + 1 : 1) + "pre";
+		});
+		
+		isFinal = true;
+	}
+	
+	prompt( "Next Version [" + newVersion + "]: ", function( data ) {
+		if ( !data ) {
+			data = newVersion;
+		}
+		
+		if ( version.test( data ) ) {
+			fs.writeFileSync( versionFile, data );
+			
+			exec( "git commit -a -m 'Updating the source version to " + data + "' && git push", function() {
+				if ( isFinal ) {
+					makeFinal( newVersion );
+				}
+			});
+			
+		} else {
+			console.error( "Malformed version number, please try again." );
+			setNextVersion( newVersion );
+		}
+	});
+}
+
+function makeFinal( newVersion ) {
+	var all = Object.keys( finalFiles );
+	
+	// Copy all the files
+	all.forEach(function( name ) {
+		copy( finalFiles[ name ], name );
+	});
+	
+	// Upload files to CDN
+	exec( "scp " + all.join( " " ) + " " + scpURL, function() {
+		exec( "curl '" + cdnURL + "{" + all.join( "," ) + "}?reload'", function() {
+			console.log( "Done." );
+		});
+	});
+}
+
+function copy( oldFile, newFile ) {
+	if ( debug ) {
+		console.log( "Copying " + oldFile + " to " + newFile );
+
+	} else {
+		fs.writeFileSync( newFile, fs.readFileSync( oldFile, "utf8" ) );
+	}
+}
+
+function prompt( msg, callback ) {
+	process.stdout.write( msg );
+	
+	process.stdin.resume();
+	process.stdin.setEncoding( "utf8" );
+	
+	process.stdin.once( "data", function( chunk ) {
+		process.stdin.pause();
+		callback( chunk.replace( /\n*$/g, "" ) );
+	});
+}
+
+function exec( cmd, fn ) {
+	if ( debug ) {
+		console.log( cmd );
+		fn();
+
+	} else {
+		child.exec( cmd, fn );
+	}
+}
+
+function exit( msg ) {
+	if ( msg ) {
+		console.error( "\nError: " + msg );
+	}
+
+	process.exit( 1 );
+}