new --rename option

Closes #6

cli.js

@@ -6,14 +6,15 @@ var cpy = require('./');
 var cli = meow({
 	help: [
 		'Usage',
-		'  $ cpy <source> <destination> [--no-overwrite] [--parents] [--cwd <dir>]',
+		'  $ cpy <source> <destination> [--no-overwrite] [--parents] [--cwd <dir>] [--rename=<filename>]',
 		'',
 		'Example',
 		'  $ cpy \'src/*.png\' dist',
 		'',
 		'Options',
-		'  --parents    Preseve path structure',
-		'  --cwd <dir>  Working directory for source files',
+		'  --parents            Preseve path structure',
+		'  --cwd <dir>          Working directory for source files',
+		'  --rename=<filename>  Rename all <source> filenames to <filename>',
 		'',
 		'<source> can contain globs if quoted',
 	].join('\n')
@@ -35,6 +36,7 @@ function errorHandler(err) {
 try {
 	cpy([cli.input[0]], cli.input[1], {
 		cwd: cli.flags.cwd || process.cwd(),
+		rename: cli.flags.rename,
 		parents: cli.flags.parents,
 		overwrite: cli.flags.overwrite
 	}, errorHandler);

index.js

@@ -25,7 +25,7 @@ function preprocessSrcPath(srcPath, opts) {
 }
 
 function preprocessDestPath(srcPath, dest, opts) {
-	var basename = path.basename(srcPath);
+	var basename = opts.rename || path.basename(srcPath);
 	var dirname = path.dirname(srcPath);
 
 	if (opts.cwd) {

readme.md

@@ -64,6 +64,11 @@ Default: `false`
 
 Keep the path structure when copying files.
 
+##### rename
+
+Type: `string`
+
+The filename which is used to rename every file in `files`.
 
 #### callback(err)
 
@@ -80,14 +85,15 @@ $ npm install --global cpy
 $ cpy --help
 
   Usage
-    $ cpy <source> <destination> [--no-overwrite] [--parents] [--cwd <dir>]
+    $ cpy <source> <destination> [--no-overwrite] [--parents] [--cwd <dir>] [--rename=<filename>]
 
   Example
     $ cpy 'src/*.png' dist
 
   Options
-    --parents    Preseve path structure
-    --cwd <dir>  Working directory for source files
+    --parents            Preseve path structure
+    --cwd <dir>          Working directory for source files
+    --rename=<filename>  Rename all <source> filenames to <filename>
 
   <source> can contain globs if quoted
 ```

test.js

@@ -126,6 +126,32 @@ describe('api', function () {
 			cb();
 		});
 	});
+
+	it('should rename filenames (but not filepaths)', function (cb) {
+		fs.mkdirSync('tmp');
+		fs.mkdirSync('tmp/src');
+
+		fs.writeFileSync('tmp/hello.js', 'console.log("hello");');
+		fs.writeFileSync('tmp/src/hello.js', 'console.log("src/hello");');
+
+		var opts = {cwd: 'tmp', parents: true, rename: 'hi.js'};
+
+		cpy(['hello.js', 'src/hello.js'], 'dest/subdir', opts, function (err) {
+			assert(!err, err);
+
+			assert.strictEqual(
+				fs.readFileSync('tmp/dest/subdir/hi.js', 'utf8'),
+				fs.readFileSync('tmp/hello.js', 'utf8')
+			);
+
+			assert.strictEqual(
+				fs.readFileSync('tmp/dest/subdir/src/hi.js', 'utf8'),
+				fs.readFileSync('tmp/src/hello.js', 'utf8')
+			);
+
+			cb();
+		});
+	});
 });
 
 describe('cli', function () {
@@ -177,4 +203,20 @@ describe('cli', function () {
 			done();
 		});
 	});
+
+	it('should rename files', function (done) {
+		fs.mkdirSync('tmp');
+		fs.mkdirSync('tmp/dest');
+		fs.writeFileSync('tmp/hello.js', 'console.log("hello");');
+
+		var sut = spawn('./cli.js', ['tmp/hello.js', 'tmp/dest', '--rename=hi.js'])
+		sut.on('close', function (status) {
+			assert.ok(status === 0, 'unexpected exit status: ' + status);
+			assert.strictEqual(
+				fs.readFileSync('tmp/hello.js', 'utf8'),
+				fs.readFileSync('tmp/dest/hi.js', 'utf8')
+			);
+			done();
+		});
+	});
 });