agarzola/bustime

var gulp = require('gulp'),
    git = require('gulp-git'),
    bump = require('gulp-bump'),
    filter = require('gulp-filter'),
    tag_version = require('gulp-tag-version')
    ;

/**
 * Bumping version number and tagging the repository with it.
 * Please read http://semver.org/
 *
 * You can use the commands
 *
 *     gulp patch     # makes v0.1.0 → v0.1.1
 *     gulp feature   # makes v0.1.1 → v0.2.0
 *     gulp release   # makes v0.2.1 → v1.0.0
 *
 * To bump the version numbers accordingly after you did a patch,
 * introduced a feature or made a backwards-incompatible release.
 */

function inc(importance) {
  // get all the files to bump version in
  return gulp.src(['./package.json'])
    // bump the version number in those files
    .pipe(bump({type: importance}))
    // save it back to filesystem
    .pipe(gulp.dest('./'))
    // commit the changed version number
    .pipe(git.commit('bump package version'))
    // read only one file to get the version number
    .pipe(filter('package.json'))
    // **tag it in the repository**
    .pipe(tag_version());
}

gulp.task('patch', function () { return inc('patch'); })
gulp.task('feature', function () { return inc('minor'); })
gulp.task('release', function () { return inc('major'); })

/**
 * Gitdown tasks & configuration.
 */

var Gitdown = require('gitdown')
    ;

gulp.task('gitdown', function () {
  return Gitdown
    .read('.gitdown/README.md')
    .write('README.md');
});

gulp.task('gitdown-watch', function () {
  gulp.watch(['./.gitdown/**/*'], ['gitdown']);
});