var location = '.publish-Bamboo';
gulp.task('copyFiles', copyFiles);

function copyFiles()
{
    var sourceFiles = [
        './_src/scss/**/*',
        './_src/img/*'
    ];

    return gulp.src(sourceFiles, {base: "."})
    .pipe(gulp.dest(location));
}

<?xml version="1.0"?>
<package>
<metadata>
    <id>MyProject</id>
    <version>1.0.0</version>
    <authors>ME</authors>
    <owners>ME</owners>
    <requireLicenseAcceptance>false</requireLicenseAcceptance>
    <description>MY DESC</description>
    <releaseNotes></releaseNotes>
    <copyright>Copyright 2017</copyright>
    <tags>ME</tags>

</metadata>
    <files>
    <!-- Include Assets as Content -->
    <file src=".publish-Bamboo***.*" target="" />
    </files>
</package>