restart:go being annoying af

gulpfile.js

var gulp = require('gulp'),
    jade = require('gulp-jade'),
    runSequence = require('run-sequence'),
    del = require('del'),
    shell = require('gulp-shell');

gulp.task('clean', del.bind(null, ['.tmp', 'dist/*', '!dist/.git'], {dot: true}));

// doesn't compile extended templates
gulp.task('compile:jade', function() {
    return gulp.src('./src/templates/*.jade')
        .pipe(jade())
        .pipe(gulp.dest('./dist/views'));
});

// places compiled app in ./dist and then runs it
// TODO: Kill previous process after spawning new one
var proc;
gulp.task('restart:go', function() {
    console.log(proc);
    return gulp.src('')
        .pipe(shell([
            '<%= killProc() %>',
            'go build -o ./dist/<%= genProcString() %> ./src/app/main.go',
            'cd ./dist && ./<%= getProcName() %> &'
        ], {
            templateData: {
                killProc: function() {
                        if(!proc)
                            return ":";
                        return "killall " + proc;
                },
                genProcString: function() {
                    proc = "_" + (Math.random() + 1).toString(36).substring(7);
                    console.log(proc, getProc());
                    return proc;
                },
                getProcName: function() {
                    return proc;
                }
            }
        }));
});

function getProc() {
    return proc;
}

gulp.task('serve', function() {
    gulp.watch(['./src/templates/**/*.jade'], ['compile:jade']);
    gulp.watch(['./src/app/**/*.go'], ['restart:go']);
});

gulp.task('default', ['clean'], function() {
    runSequence('compile:jade', 'restart:go');
});