+ repo = d.application.repository(options.srv_path)
+ version = calculate_newest_version(sh, repo)
+ if version == d.app_version.scripts_tag and not options.force:
+ # don't log this error
+ # XXX: maybe we should build this in as a flag to add
+ # to exceptions w/ our exception handler
+ sys.stderr.write("Traceback:\n (n/a)\nAlreadyUpgraded\n")
+ sys.exit(1)
+ logging.info("Upgrading %s" % os.getcwd())
+ kib_usage, kib_limit = scripts.get_quota_usage_and_limit()
+ if kib_limit is not None and (kib_limit - kib_usage) < kib_buffer:
+ raise QuotaTooLow
+ if not options.dry_run:
+ perform_pre_commit(sh)
+ # If /dev/shm exists, it's a tmpfs and we can use it
+ # to do a fast git merge. Don't forget to move it to
+ # /tmp if it fails.
+ if not options.dry_run:
+ use_shm = os.path.exists("/dev/shm")
+ temp_dir, temp_wc_dir = perform_tmp_clone(sh, use_shm)
+ with util.ChangeDirectory(temp_wc_dir):
+ wc = deploy.WorkingCopy(".")
+ sh.call("git", "remote", "add", "scripts", repo)
+ sh.call("git", "fetch", "-q", "scripts")
+ user_commit, next_commit = calculate_parents(sh, version)
+ # save variables so that --continue will work
+ # yeah yeah no trailing newline whatever
+ open(".git/WIZARD_REPO", "w").write(repo)
+ open(".git/WIZARD_UPGRADE_VERSION", "w").write(version)
+ open(".git/WIZARD_PARENTS", "w").write("%s\n%s" % (user_commit, next_commit))
+ open(".git/WIZARD_SIZE", "w").write(str(scripts.get_disk_usage()))
+ if options.log_file:
+ open(".git/WIZARD_LOG_FILE", "w").write(options.log_file)
+ perform_merge(sh, repo, d, wc, version, use_shm, kib_limit and kib_limit - kib_usage or None)
+ # variables: version, user_commit, next_commit, temp_wc_dir
+ with util.ChangeDirectory(temp_wc_dir):
+ try:
+ sh.call("git", "status")
+ sh.call("git", "commit", "-m", "throw-away commit")
+ except shell.CallError:
+ pass
+ message = make_commit_message(version)
+ new_tree = sh.eval("git", "rev-parse", "HEAD^{tree}")
+ final_commit = sh.eval("git", "commit-tree", new_tree,
+ "-p", user_commit, "-p", next_commit, input=message, log=True)
+ # a master branch may not necessarily exist if the user
+ # was manually installed to an earlier version
+ try:
+ sh.call("git", "checkout", "-q", "-b", "master", "--")
+ except shell.CallError:
+ sh.call("git", "checkout", "-q", "master", "--")
+ sh.call("git", "reset", "-q", "--hard", final_commit)
+ # This is a quick sanity check to make sure we didn't completely
+ # mess up the merge
+ wc.invalidateCache()
+ wc.verifyVersion()
+ # Till now, all of our operations were in a tmp sandbox.
+ if options.dry_run:
+ logging.info("Dry run, bailing. See results at %s" % temp_wc_dir)
+ return
+ # Ok, now we have to do a crazy complicated dance to see if we're
+ # going to have enough quota to finish what we need
+ pre_size = int(open(os.path.join(temp_wc_dir, ".git/WIZARD_SIZE"), "r").read())
+ post_size = scripts.get_disk_usage(temp_wc_dir)
+ kib_usage, kib_limit = scripts.get_quota_usage_and_limit()
+ backup = d.backup(options)
+ if kib_limit is not None and (kib_limit - kib_usage) - (post_size - pre_size) / 1024 < kib_buffer:
+ shutil.rmtree(os.path.join(".scripts/backups", sh.eval("wizard", "restore").splitlines()[0]))
+ raise QuotaTooLow
+ # XXX: frob .htaccess to make site inaccessible
+ with util.IgnoreKeyboardInterrupts():
+ with util.LockDirectory(".scripts-upgrade-lock"):
+ # git merge (which performs a fast forward)
+ sh.call("git", "pull", "-q", temp_wc_dir, "master")
+ version_obj = distutils.version.LooseVersion(version.partition('-')[2])
+ try:
+ # run update script
+ d.upgrade(version_obj, options)
+ d.verifyWeb()
+ except app.UpgradeFailure:
+ logging.warning("Upgrade failed: rolling back")
+ perform_restore(d, backup)
+ raise
+ except deploy.WebVerificationError as e:
+ logging.warning("Web verification failed: rolling back")
+ perform_restore(d, backup)
+ raise app.UpgradeVerificationFailure(e.contents)
+ # XXX: frob .htaccess to make site accessible
+ # to do this, check if .htaccess changed, first. Upgrade
+ # process might have frobbed it. Don't be
+ # particularly worried if the segment disappeared
+ finally:
+ if use_shm and temp_dir and os.path.exists(temp_dir):
+ shutil.rmtree(temp_dir)