diff --git a/publish.py b/publish.py
new file mode 100644
index 000000000..8e57516c5
--- /dev/null
+++ b/publish.py
@@ -0,0 +1,303 @@
+#!/usr/bin/env python3
+# vim:fileencoding=utf-8
+# License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
+
+import argparse
+import io
+import json
+import mimetypes
+import os
+import pprint
+import re
+import shlex
+import subprocess
+import sys
+import time
+
+import requests
+
+os.chdir(os.path.dirname(os.path.abspath(__file__)))
+build_path = os.path.abspath('../build-kitty')
+raw = open('kitty/constants.py').read()
+nv = re.search(
+    r'^version\s+=\s+\((\d+), (\d+), (\d+)\)', raw, flags=re.MULTILINE)
+version = '%s.%s.%s' % (nv.group(1), nv.group(2), nv.group(3))
+appname = re.search(
+    r"^appname\s+=\s+'([^']+)'", raw, flags=re.MULTILINE).group(1)
+
+ALL_ACTIONS = 'build tag upload'.split()
+
+
+def call(*cmd):
+    if len(cmd) == 1:
+        cmd = shlex.split(cmd[0])
+    ret = subprocess.Popen(cmd).wait()
+    if ret != 0:
+        raise SystemExit(ret)
+
+
+def run_build(args):
+    os.chdir(build_path)
+    call('./osx kitty')
+    call('./osx shutdown')
+
+
+def run_tag(args):
+    call('git tag -s v{0} -m version-{0}'.format(version))
+    call('git push origin v{0}'.format(version))
+
+
+class ReadFileWithProgressReporting(io.BufferedReader):  # {{{
+    def __init__(self, path, mode='rb'):
+        io.BufferedReader.__init__(self, open(path, mode))
+        self.seek(0, os.SEEK_END)
+        self._total = self.tell()
+        self.seek(0)
+        self.start_time = time.time()
+
+    def __len__(self):
+        return self._total
+
+    def read(self, size):
+        data = io.BufferedReader.read(self, size)
+        if data:
+            self.report_progress(len(data))
+        return data
+
+    def report_progress(self, size):
+        sys.stdout.buffer.write(b'\x1b[s')
+        sys.stdout.buffer.write(b'\x1b[K')
+        frac = float(self.tell()) / self._total
+        mb_pos = self.tell() / float(1024**2)
+        mb_tot = self._total / float(1024**2)
+        kb_pos = self.tell() / 1024.0
+        kb_rate = kb_pos / (time.time() - self.start_time)
+        bit_rate = kb_rate * 1024
+        eta = int((self._total - self.tell()) / bit_rate) + 1
+        eta_m, eta_s = eta / 60, eta % 60
+        sys.stdout.write(
+            '  %.1f%%   %.1f/%.1fMB %.1f KB/sec    %d minutes, %d seconds left'
+            % (frac * 100, mb_pos, mb_tot, kb_rate, eta_m, eta_s))
+        sys.stdout.buffer.write(b'\x1b[u')
+        if self.tell() >= self._total:
+            sys.stdout.write('\n')
+            t = int(time.time() - self.start_time) + 1
+            print('Upload took %d minutes and %d seconds at %.1f KB/sec' %
+                  (t / 60, t % 60, kb_rate))
+        sys.stdout.flush()
+
+
+# }}}
+
+
+class Base(object):  # {{{
+    def __init__(self):
+        self.d = os.path.dirname
+        self.j = os.path.join
+        self.a = os.path.abspath
+        self.b = os.path.basename
+        self.s = os.path.splitext
+        self.e = os.path.exists
+
+    def info(self, *args, **kwargs):
+        print(*args, **kwargs)
+        sys.stdout.flush()
+
+    def warn(self, *args, **kwargs):
+        print('\n' + '_' * 20, 'WARNING', '_' * 20)
+        print(*args, **kwargs)
+        print('_' * 50)
+        sys.stdout.flush()
+
+
+# }}}
+
+
+class GitHub(Base):  # {{{
+
+    API = 'https://api.github.com/'
+
+    def __init__(self,
+                 files,
+                 reponame,
+                 version,
+                 username,
+                 password,
+                 replace=False):
+        self.files, self.reponame, self.version, self.username, self.password, self.replace = (
+            files, reponame, version, username, password, replace)
+        self.current_tag_name = 'v' + self.version
+        self.requests = s = requests.Session()
+        s.auth = (self.username, self.password)
+        s.headers.update({'Accept': 'application/vnd.github.v3+json'})
+
+    def __call__(self):
+        releases = self.releases()
+        # self.clean_older_releases(releases)
+        release = self.create_release(releases)
+        upload_url = release['upload_url'].partition('{')[0]
+        existing_assets = self.existing_assets(release['id'])
+        for path, desc in self.files.items():
+            self.info('')
+            url = self.API + 'repos/%s/%s/releases/assets/{}' % (self.username,
+                                                                 self.reponame)
+            fname = os.path.basename(path)
+            if fname in existing_assets:
+                self.info('Deleting %s from GitHub with id: %s' %
+                          (fname, existing_assets[fname]))
+                r = self.requests.delete(url.format(existing_assets[fname]))
+                if r.status_code != 204:
+                    self.fail(r, 'Failed to delete %s from GitHub' % fname)
+            r = self.do_upload(upload_url, path, desc, fname)
+            if r.status_code != 201:
+                self.fail(r, 'Failed to upload file: %s' % fname)
+            try:
+                r = self.requests.patch(
+                    url.format(r.json()['id']),
+                    data=json.dumps({
+                        'name': fname,
+                        'label': desc
+                    }))
+            except Exception:
+                time.sleep(15)
+                r = self.requests.patch(
+                    url.format(r.json()['id']),
+                    data=json.dumps({
+                        'name': fname,
+                        'label': desc
+                    }))
+            if r.status_code != 200:
+                self.fail(r, 'Failed to set label for %s' % fname)
+
+    def clean_older_releases(self, releases):
+        for release in releases:
+            if release.get(
+                    'assets',
+                    None) and release['tag_name'] != self.current_tag_name:
+                self.info('\nDeleting old released installers from: %s' %
+                          release['tag_name'])
+                for asset in release['assets']:
+                    r = self.requests.delete(
+                        self.API + 'repos/%s/%s/releases/assets/%s' % (
+                            self.username, self.reponame, asset['id']))
+                    if r.status_code != 204:
+                        self.fail(
+                            r,
+                            'Failed to delete obsolete asset: %s for release: %s'
+                            % (asset['name'], release['tag_name']))
+
+    def do_upload(self, url, path, desc, fname):
+        mime_type = mimetypes.guess_type(fname)[0]
+        self.info('Uploading to GitHub: %s (%s)' % (fname, mime_type))
+        with ReadFileWithProgressReporting(path) as f:
+            return self.requests.post(
+                url,
+                headers={
+                    'Content-Type': mime_type,
+                    'Content-Length': str(f._total)
+                },
+                params={'name': fname},
+                data=f)
+
+    def fail(self, r, msg):
+        print(msg, ' Status Code: %s' % r.status_code, file=sys.stderr)
+        print("JSON from response:", file=sys.stderr)
+        pprint(dict(r.json()), stream=sys.stderr)
+        raise SystemExit(1)
+
+    def already_exists(self, r):
+        error_code = r.json().get('errors', [{}])[0].get('code', None)
+        return error_code == 'already_exists'
+
+    def existing_assets(self, release_id):
+        url = self.API + 'repos/%s/%s/releases/%s/assets' % (
+            self.username, self.reponame, release_id)
+        r = self.requests.get(url)
+        if r.status_code != 200:
+            self.fail('Failed to get assets for release')
+        return {asset['name']: asset['id'] for asset in r.json()}
+
+    def releases(self):
+        url = self.API + 'repos/%s/%s/releases' % (self.username, self.reponame
+                                                   )
+        r = self.requests.get(url)
+        if r.status_code != 200:
+            self.fail(r, 'Failed to list releases')
+        return r.json()
+
+    def create_release(self, releases):
+        ' Create a release on GitHub or if it already exists, return the existing release '
+        for release in releases:
+            # Check for existing release
+            if release['tag_name'] == self.current_tag_name:
+                return release
+        url = self.API + 'repos/%s/%s/releases' % (self.username, self.reponame
+                                                   )
+        r = self.requests.post(
+            url,
+            data=json.dumps({
+                'tag_name': self.current_tag_name,
+                'target_commitish': 'master',
+                'name': 'version %s' % self.version,
+                'body': 'Release version %s' % self.version,
+                'draft': False,
+                'prerelease': False
+            }))
+        if r.status_code != 201:
+            self.fail(r, 'Failed to create release for version: %s' %
+                      self.version)
+        return r.json()
+
+
+# }}}
+
+
+def get_github_data():
+    with open(os.path.expanduser('~/work/env/private/github')) as f:
+        un, pw = f.read().strip().split(':')
+    return {'username': un, 'password': pw}
+
+
+def run_upload(args):
+    files = {
+        os.path.join(build_path, 'build', f.format(version)): desc
+        for f, desc in {
+            'osx/dist/kitty-{}.dmg': 'macOS dmg',
+        }
+    }
+    for f in files:
+        if not os.path.exists(f):
+            raise SystemExit('The installer {} does not exist'.format(f))
+    gd = get_github_data()
+    gh = GitHub(files, appname, version, 'kovidgoyal', gd['username'],
+                gd['password'])
+    gh()
+
+
+def main():
+    parser = argparse.ArgumentParser(description='Publish kitty')
+    parser.add_argument(
+        '--only',
+        default=False,
+        action='store_true',
+        help='Only run the specified action')
+    parser.add_argument(
+        'action',
+        default='build',
+        nargs='?',
+        choices=ALL_ACTIONS,
+        help='The action to start with')
+    args = parser.parse_args()
+    idx = ALL_ACTIONS.index(args.action)
+    actions = ALL_ACTIONS[idx:]
+    if args.only:
+        del actions[1:]
+    for action in actions:
+        print('Running', action)
+        cwd = os.getcwd()
+        globals()['run_' + action](args)
+        os.chdir(cwd)
+
+
+if __name__ == '__main__':
+    main()