GitHub: Implemented changelog generation

Fixes gh-1

Author: scottgonzalez

lib/changelog.js

@@ -3,14 +3,22 @@ var fs = require( "fs" );
 module.exports = function( Release ) {
 
 Release.define({
-	_generateChangelog: function() {
-		var changelogPath = Release.dir.base + "/changelog",
-			changelog = Release.changelogShell() +
-				Release._generateCommitChangelog() +
-				Release._generateIssueChangelog();
-
-		fs.writeFileSync( changelogPath, changelog );
-		console.log( "Stored changelog in " + changelogPath.cyan + "." );
+	_generateChangelog: function( callback ) {
+		Release._generateIssueChangelog(function( error, issueChangelog ) {
+			if ( error ) {
+				return callback( error );
+			}
+
+			var changelogPath = Release.dir.base + "/changelog",
+				changelog = Release.changelogShell() +
+					Release._generateCommitChangelog() +
+					issueChangelog;
+
+			fs.writeFileSync( changelogPath, changelog );
+			console.log( "Stored changelog in " + changelogPath.cyan + "." );
+
+			callback( null );
+		});
 	},
 
 	changelogShell: function() {
@@ -53,21 +61,10 @@ Release.define({
 			.join( "\n" ) + "\n";
 	},
 
-	_generateIssueChangelog: function() {
+	_generateIssueChangelog: function( callback ) {
 		return Release.issueTracker === "trac" ?
-			Release._generateTracChangelog() :
-			Release._generateGithubChangelog();
-	},
-
-	_generateTracChangelog: function() {
-		console.log( "Adding Trac tickets..." );
-		return Release.trac( "/query?milestone=" + Release.newVersion + "&resolution=fixed" +
-			"&col=id&col=component&col=summary&order=component" ) + "\n";
-	},
-
-	_generateGithubChangelog: function() {
-		console.log( "Adding GitHub issues..." );
-		// TODO
+			Release._generateTracChangelog( callback ) :
+			Release._generateGithubChangelog( callback );
 	}
 });
 

lib/github.js

@@ -0,0 +1,93 @@
+var url = require( "url" ),
+	github = require( "github" );
+
+module.exports = function( Release ) {
+
+Release.define({
+	_githubRequest: function( settings, data, callback ) {
+		if ( typeof data === "function" ) {
+			callback = data;
+			data = null;
+		}
+
+		github.request( settings, data, function( error, first, meta ) {
+			if ( error ) {
+				return callback( error );
+			}
+
+			if ( !meta.links || !meta.links.next ) {
+				return callback( null, first );
+			}
+
+			settings.path = url.parse( meta.links.next ).path;
+			Release._githubRequest( settings, data, function( error, next ) {
+				if ( error ) {
+					return callback( error );
+				}
+
+				callback( null, first.concat( next ) );
+			});
+		});
+	},
+
+	_githubMilestone: function( callback ) {
+		Release._githubRequest({
+			path: "/repos/jquery/" + Release.project + "/milestones"
+		}, function( error, milestones ) {
+			if ( error ) {
+				return callback( error );
+			}
+
+			var milestone = milestones.filter(function( milestone ) {
+				return milestone.title === Release.newVersion;
+			})[ 0 ];
+
+			if ( !milestone ) {
+				return callback( new Error( "No milestone found." ) );
+			}
+
+			callback( null, milestone.number );
+		});
+	},
+
+	_generateGithubChangelog: function( callback ) {
+		Release._githubMilestone(function( error, milestone ) {
+			if ( error ) {
+				return callback( error );
+			}
+
+			Release._githubRequest({
+				path: "/repos/jquery/" + Release.project + "/issues",
+			}, {
+				milestone: milestone,
+				status: "closed"
+			}, function( error, issues ) {
+				if ( error ) {
+					return callback( error );
+				}
+
+				var changelog = issues.map(function( issue ) {
+					var component = "(none)";
+
+					issues.labels.forEach(function( label ) {
+						if ( /^component:/.test( label.name ) ) {
+							component = label.name.substring( 11 );
+						}
+					});
+
+					return [
+						"#" + issue.number,
+						component,
+						issue.title
+					].sort(function( a, b ) {
+						return a.component > b.component ? 1 : -1;
+					}).join( "\t" );
+				}).join( "\n" ) + "\n";
+
+				callback( null, changelog );
+			});
+		});
+	}
+});
+
+};

lib/trac.js

@@ -10,6 +10,16 @@ Release.define({
 		}
 
 		return result.output;
+	},
+
+	_generateTracChangelog: function( callback ) {
+		process.nextTick(function() {
+			console.log( "Adding Trac tickets..." );
+			var changelog = Release.trac(
+				"/query?milestone=" + Release.newVersion + "&resolution=fixed" +
+				"&col=id&col=component&col=summary&order=component" ) + "\n";
+			callback( null, changelog );
+		});
 	}
 });
 

node_modules/github-request/LICENSE-MIT.txt

@@ -1,7 +1,8 @@
 {
   "dependencies": {
     "colors": "0.6.2",
-    "shelljs": "0.2.6"
+    "shelljs": "0.2.6",
+    "github-request": "1.1.0"
   },
   "devDependencies": {
     "grunt": "0.4.1",