Mercurial > hg
changeset 39652:d2c81e83de2a
phabricator: move extension from contrib to hgext
It's well-enough tested now and widely enough used I think we should
ship it.
Differential Revision: https://phab.mercurial-scm.org/D4602
| author | Augie Fackler <raf@durin42.com> |
|---|---|
| date | Sat, 15 Sep 2018 00:46:17 -0400 |
| parents | a641fd1a1196 |
| children | 10c53b2e9d52 |
| files | contrib/phabricator.py hgext/phabricator.py tests/test-check-help.t tests/test-phabricator.t |
| diffstat | 4 files changed, 1014 insertions(+), 1014 deletions(-) [+] |
line wrap: on
line diff
--- a/contrib/phabricator.py Sat Sep 15 00:50:21 2018 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1012 +0,0 @@ -# phabricator.py - simple Phabricator integration -# -# Copyright 2017 Facebook, Inc. -# -# This software may be used and distributed according to the terms of the -# GNU General Public License version 2 or any later version. -"""simple Phabricator integration - -This extension provides a ``phabsend`` command which sends a stack of -changesets to Phabricator, and a ``phabread`` command which prints a stack of -revisions in a format suitable for :hg:`import`, and a ``phabupdate`` command -to update statuses in batch. - -By default, Phabricator requires ``Test Plan`` which might prevent some -changeset from being sent. The requirement could be disabled by changing -``differential.require-test-plan-field`` config server side. - -Config:: - - [phabricator] - # Phabricator URL - url = https://phab.example.com/ - - # Repo callsign. If a repo has a URL https://$HOST/diffusion/FOO, then its - # callsign is "FOO". - callsign = FOO - - # curl command to use. If not set (default), use builtin HTTP library to - # communicate. If set, use the specified curl command. This could be useful - # if you need to specify advanced options that is not easily supported by - # the internal library. - curlcmd = curl --connect-timeout 2 --retry 3 --silent - - [auth] - example.schemes = https - example.prefix = phab.example.com - - # API token. Get it from https://$HOST/conduit/login/ - example.phabtoken = cli-xxxxxxxxxxxxxxxxxxxxxxxxxxxx -""" - -from __future__ import absolute_import - -import itertools -import json -import operator -import re - -from mercurial.node import bin, nullid -from mercurial.i18n import _ -from mercurial import ( - cmdutil, - context, - encoding, - error, - httpconnection as httpconnectionmod, - mdiff, - obsutil, - parser, - patch, - registrar, - scmutil, - smartset, - tags, - url as urlmod, - util, -) -from mercurial.utils import ( - procutil, - stringutil, -) - -cmdtable = {} -command = registrar.command(cmdtable) - -configtable = {} -configitem = registrar.configitem(configtable) - -# developer config: phabricator.batchsize -configitem(b'phabricator', b'batchsize', - default=12, -) -configitem(b'phabricator', b'callsign', - default=None, -) -configitem(b'phabricator', b'curlcmd', - default=None, -) -# developer config: phabricator.repophid -configitem(b'phabricator', b'repophid', - default=None, -) -configitem(b'phabricator', b'url', - default=None, -) -configitem(b'phabsend', b'confirm', - default=False, -) - -colortable = { - b'phabricator.action.created': b'green', - b'phabricator.action.skipped': b'magenta', - b'phabricator.action.updated': b'magenta', - b'phabricator.desc': b'', - b'phabricator.drev': b'bold', - b'phabricator.node': b'', -} - -_VCR_FLAGS = [ - (b'', b'test-vcr', b'', - _(b'Path to a vcr file. If nonexistent, will record a new vcr transcript' - b', otherwise will mock all http requests using the specified vcr file.' - b' (ADVANCED)' - )), -] - -def vcrcommand(name, flags, spec): - fullflags = flags + _VCR_FLAGS - def decorate(fn): - def inner(*args, **kwargs): - cassette = kwargs.pop(r'test_vcr', None) - if cassette: - import hgdemandimport - with hgdemandimport.deactivated(): - import vcr as vcrmod - import vcr.stubs as stubs - vcr = vcrmod.VCR( - serializer=r'json', - custom_patches=[ - (urlmod, 'httpconnection', stubs.VCRHTTPConnection), - (urlmod, 'httpsconnection', stubs.VCRHTTPSConnection), - ]) - with vcr.use_cassette(cassette): - return fn(*args, **kwargs) - return fn(*args, **kwargs) - inner.__name__ = fn.__name__ - return command(name, fullflags, spec)(inner) - return decorate - -def urlencodenested(params): - """like urlencode, but works with nested parameters. - - For example, if params is {'a': ['b', 'c'], 'd': {'e': 'f'}}, it will be - flattened to {'a[0]': 'b', 'a[1]': 'c', 'd[e]': 'f'} and then passed to - urlencode. Note: the encoding is consistent with PHP's http_build_query. - """ - flatparams = util.sortdict() - def process(prefix, obj): - items = {list: enumerate, dict: lambda x: x.items()}.get(type(obj)) - if items is None: - flatparams[prefix] = obj - else: - for k, v in items(obj): - if prefix: - process(b'%s[%s]' % (prefix, k), v) - else: - process(k, v) - process(b'', params) - return util.urlreq.urlencode(flatparams) - -printed_token_warning = False - -def readlegacytoken(repo, url): - """Transitional support for old phabricator tokens. - - Remove before the 4.7 release. - """ - groups = {} - for key, val in repo.ui.configitems(b'phabricator.auth'): - if b'.' not in key: - repo.ui.warn(_(b"ignoring invalid [phabricator.auth] key '%s'\n") - % key) - continue - group, setting = key.rsplit(b'.', 1) - groups.setdefault(group, {})[setting] = val - - token = None - for group, auth in groups.iteritems(): - if url != auth.get(b'url'): - continue - token = auth.get(b'token') - if token: - break - - global printed_token_warning - - if token and not printed_token_warning: - printed_token_warning = True - repo.ui.warn(_(b'phabricator.auth.token is deprecated - please ' - b'migrate to auth.phabtoken.\n')) - return token - -def readurltoken(repo): - """return conduit url, token and make sure they exist - - Currently read from [auth] config section. In the future, it might - make sense to read from .arcconfig and .arcrc as well. - """ - url = repo.ui.config(b'phabricator', b'url') - if not url: - raise error.Abort(_(b'config %s.%s is required') - % (b'phabricator', b'url')) - - res = httpconnectionmod.readauthforuri(repo.ui, url, util.url(url).user) - token = None - - if res: - group, auth = res - - repo.ui.debug(b"using auth.%s.* for authentication\n" % group) - - token = auth.get(b'phabtoken') - - if not token: - token = readlegacytoken(repo, url) - if not token: - raise error.Abort(_(b'Can\'t find conduit token associated to %s') - % (url,)) - - return url, token - -def callconduit(repo, name, params): - """call Conduit API, params is a dict. return json.loads result, or None""" - host, token = readurltoken(repo) - url, authinfo = util.url(b'/'.join([host, b'api', name])).authinfo() - repo.ui.debug(b'Conduit Call: %s %s\n' % (url, params)) - params = params.copy() - params[b'api.token'] = token - data = urlencodenested(params) - curlcmd = repo.ui.config(b'phabricator', b'curlcmd') - if curlcmd: - sin, sout = procutil.popen2(b'%s -d @- %s' - % (curlcmd, procutil.shellquote(url))) - sin.write(data) - sin.close() - body = sout.read() - else: - urlopener = urlmod.opener(repo.ui, authinfo) - request = util.urlreq.request(url, data=data) - body = urlopener.open(request).read() - repo.ui.debug(b'Conduit Response: %s\n' % body) - parsed = json.loads(body) - if parsed.get(r'error_code'): - msg = (_(b'Conduit Error (%s): %s') - % (parsed[r'error_code'], parsed[r'error_info'])) - raise error.Abort(msg) - return parsed[r'result'] - -@vcrcommand(b'debugcallconduit', [], _(b'METHOD')) -def debugcallconduit(ui, repo, name): - """call Conduit API - - Call parameters are read from stdin as a JSON blob. Result will be written - to stdout as a JSON blob. - """ - params = json.loads(ui.fin.read()) - result = callconduit(repo, name, params) - s = json.dumps(result, sort_keys=True, indent=2, separators=(b',', b': ')) - ui.write(b'%s\n' % s) - -def getrepophid(repo): - """given callsign, return repository PHID or None""" - # developer config: phabricator.repophid - repophid = repo.ui.config(b'phabricator', b'repophid') - if repophid: - return repophid - callsign = repo.ui.config(b'phabricator', b'callsign') - if not callsign: - return None - query = callconduit(repo, b'diffusion.repository.search', - {b'constraints': {b'callsigns': [callsign]}}) - if len(query[r'data']) == 0: - return None - repophid = encoding.strtolocal(query[r'data'][0][r'phid']) - repo.ui.setconfig(b'phabricator', b'repophid', repophid) - return repophid - -_differentialrevisiontagre = re.compile(b'\AD([1-9][0-9]*)\Z') -_differentialrevisiondescre = re.compile( - b'^Differential Revision:\s*(?P<url>(?:.*)D(?P<id>[1-9][0-9]*))$', re.M) - -def getoldnodedrevmap(repo, nodelist): - """find previous nodes that has been sent to Phabricator - - return {node: (oldnode, Differential diff, Differential Revision ID)} - for node in nodelist with known previous sent versions, or associated - Differential Revision IDs. ``oldnode`` and ``Differential diff`` could - be ``None``. - - Examines commit messages like "Differential Revision:" to get the - association information. - - If such commit message line is not found, examines all precursors and their - tags. Tags with format like "D1234" are considered a match and the node - with that tag, and the number after "D" (ex. 1234) will be returned. - - The ``old node``, if not None, is guaranteed to be the last diff of - corresponding Differential Revision, and exist in the repo. - """ - url, token = readurltoken(repo) - unfi = repo.unfiltered() - nodemap = unfi.changelog.nodemap - - result = {} # {node: (oldnode?, lastdiff?, drev)} - toconfirm = {} # {node: (force, {precnode}, drev)} - for node in nodelist: - ctx = unfi[node] - # For tags like "D123", put them into "toconfirm" to verify later - precnodes = list(obsutil.allpredecessors(unfi.obsstore, [node])) - for n in precnodes: - if n in nodemap: - for tag in unfi.nodetags(n): - m = _differentialrevisiontagre.match(tag) - if m: - toconfirm[node] = (0, set(precnodes), int(m.group(1))) - continue - - # Check commit message - m = _differentialrevisiondescre.search(ctx.description()) - if m: - toconfirm[node] = (1, set(precnodes), int(m.group(b'id'))) - - # Double check if tags are genuine by collecting all old nodes from - # Phabricator, and expect precursors overlap with it. - if toconfirm: - drevs = [drev for force, precs, drev in toconfirm.values()] - alldiffs = callconduit(unfi, b'differential.querydiffs', - {b'revisionIDs': drevs}) - getnode = lambda d: bin(encoding.unitolocal( - getdiffmeta(d).get(r'node', b''))) or None - for newnode, (force, precset, drev) in toconfirm.items(): - diffs = [d for d in alldiffs.values() - if int(d[r'revisionID']) == drev] - - # "precursors" as known by Phabricator - phprecset = set(getnode(d) for d in diffs) - - # Ignore if precursors (Phabricator and local repo) do not overlap, - # and force is not set (when commit message says nothing) - if not force and not bool(phprecset & precset): - tagname = b'D%d' % drev - tags.tag(repo, tagname, nullid, message=None, user=None, - date=None, local=True) - unfi.ui.warn(_(b'D%s: local tag removed - does not match ' - b'Differential history\n') % drev) - continue - - # Find the last node using Phabricator metadata, and make sure it - # exists in the repo - oldnode = lastdiff = None - if diffs: - lastdiff = max(diffs, key=lambda d: int(d[r'id'])) - oldnode = getnode(lastdiff) - if oldnode and oldnode not in nodemap: - oldnode = None - - result[newnode] = (oldnode, lastdiff, drev) - - return result - -def getdiff(ctx, diffopts): - """plain-text diff without header (user, commit message, etc)""" - output = util.stringio() - for chunk, _label in patch.diffui(ctx.repo(), ctx.p1().node(), ctx.node(), - None, opts=diffopts): - output.write(chunk) - return output.getvalue() - -def creatediff(ctx): - """create a Differential Diff""" - repo = ctx.repo() - repophid = getrepophid(repo) - # Create a "Differential Diff" via "differential.createrawdiff" API - params = {b'diff': getdiff(ctx, mdiff.diffopts(git=True, context=32767))} - if repophid: - params[b'repositoryPHID'] = repophid - diff = callconduit(repo, b'differential.createrawdiff', params) - if not diff: - raise error.Abort(_(b'cannot create diff for %s') % ctx) - return diff - -def writediffproperties(ctx, diff): - """write metadata to diff so patches could be applied losslessly""" - params = { - b'diff_id': diff[r'id'], - b'name': b'hg:meta', - b'data': json.dumps({ - b'user': ctx.user(), - b'date': b'%d %d' % ctx.date(), - b'node': ctx.hex(), - b'parent': ctx.p1().hex(), - }), - } - callconduit(ctx.repo(), b'differential.setdiffproperty', params) - - params = { - b'diff_id': diff[r'id'], - b'name': b'local:commits', - b'data': json.dumps({ - ctx.hex(): { - b'author': stringutil.person(ctx.user()), - b'authorEmail': stringutil.email(ctx.user()), - b'time': ctx.date()[0], - }, - }), - } - callconduit(ctx.repo(), b'differential.setdiffproperty', params) - -def createdifferentialrevision(ctx, revid=None, parentrevid=None, oldnode=None, - olddiff=None, actions=None): - """create or update a Differential Revision - - If revid is None, create a new Differential Revision, otherwise update - revid. If parentrevid is not None, set it as a dependency. - - If oldnode is not None, check if the patch content (without commit message - and metadata) has changed before creating another diff. - - If actions is not None, they will be appended to the transaction. - """ - repo = ctx.repo() - if oldnode: - diffopts = mdiff.diffopts(git=True, context=32767) - oldctx = repo.unfiltered()[oldnode] - neednewdiff = (getdiff(ctx, diffopts) != getdiff(oldctx, diffopts)) - else: - neednewdiff = True - - transactions = [] - if neednewdiff: - diff = creatediff(ctx) - transactions.append({b'type': b'update', b'value': diff[r'phid']}) - else: - # Even if we don't need to upload a new diff because the patch content - # does not change. We might still need to update its metadata so - # pushers could know the correct node metadata. - assert olddiff - diff = olddiff - writediffproperties(ctx, diff) - - # Use a temporary summary to set dependency. There might be better ways but - # I cannot find them for now. But do not do that if we are updating an - # existing revision (revid is not None) since that introduces visible - # churns (someone edited "Summary" twice) on the web page. - if parentrevid and revid is None: - summary = b'Depends on D%s' % parentrevid - transactions += [{b'type': b'summary', b'value': summary}, - {b'type': b'summary', b'value': b' '}] - - if actions: - transactions += actions - - # Parse commit message and update related fields. - desc = ctx.description() - info = callconduit(repo, b'differential.parsecommitmessage', - {b'corpus': desc}) - for k, v in info[r'fields'].items(): - if k in [b'title', b'summary', b'testPlan']: - transactions.append({b'type': k, b'value': v}) - - params = {b'transactions': transactions} - if revid is not None: - # Update an existing Differential Revision - params[b'objectIdentifier'] = revid - - revision = callconduit(repo, b'differential.revision.edit', params) - if not revision: - raise error.Abort(_(b'cannot create revision for %s') % ctx) - - return revision, diff - -def userphids(repo, names): - """convert user names to PHIDs""" - query = {b'constraints': {b'usernames': names}} - result = callconduit(repo, b'user.search', query) - # username not found is not an error of the API. So check if we have missed - # some names here. - data = result[r'data'] - resolved = set(entry[r'fields'][r'username'] for entry in data) - unresolved = set(names) - resolved - if unresolved: - raise error.Abort(_(b'unknown username: %s') - % b' '.join(sorted(unresolved))) - return [entry[r'phid'] for entry in data] - -@vcrcommand(b'phabsend', - [(b'r', b'rev', [], _(b'revisions to send'), _(b'REV')), - (b'', b'amend', True, _(b'update commit messages')), - (b'', b'reviewer', [], _(b'specify reviewers')), - (b'', b'confirm', None, _(b'ask for confirmation before sending'))], - _(b'REV [OPTIONS]')) -def phabsend(ui, repo, *revs, **opts): - """upload changesets to Phabricator - - If there are multiple revisions specified, they will be send as a stack - with a linear dependencies relationship using the order specified by the - revset. - - For the first time uploading changesets, local tags will be created to - maintain the association. After the first time, phabsend will check - obsstore and tags information so it can figure out whether to update an - existing Differential Revision, or create a new one. - - If --amend is set, update commit messages so they have the - ``Differential Revision`` URL, remove related tags. This is similar to what - arcanist will do, and is more desired in author-push workflows. Otherwise, - use local tags to record the ``Differential Revision`` association. - - The --confirm option lets you confirm changesets before sending them. You - can also add following to your configuration file to make it default - behaviour:: - - [phabsend] - confirm = true - - phabsend will check obsstore and the above association to decide whether to - update an existing Differential Revision, or create a new one. - """ - revs = list(revs) + opts.get(b'rev', []) - revs = scmutil.revrange(repo, revs) - - if not revs: - raise error.Abort(_(b'phabsend requires at least one changeset')) - if opts.get(b'amend'): - cmdutil.checkunfinished(repo) - - # {newnode: (oldnode, olddiff, olddrev} - oldmap = getoldnodedrevmap(repo, [repo[r].node() for r in revs]) - - confirm = ui.configbool(b'phabsend', b'confirm') - confirm |= bool(opts.get(b'confirm')) - if confirm: - confirmed = _confirmbeforesend(repo, revs, oldmap) - if not confirmed: - raise error.Abort(_(b'phabsend cancelled')) - - actions = [] - reviewers = opts.get(b'reviewer', []) - if reviewers: - phids = userphids(repo, reviewers) - actions.append({b'type': b'reviewers.add', b'value': phids}) - - drevids = [] # [int] - diffmap = {} # {newnode: diff} - - # Send patches one by one so we know their Differential Revision IDs and - # can provide dependency relationship - lastrevid = None - for rev in revs: - ui.debug(b'sending rev %d\n' % rev) - ctx = repo[rev] - - # Get Differential Revision ID - oldnode, olddiff, revid = oldmap.get(ctx.node(), (None, None, None)) - if oldnode != ctx.node() or opts.get(b'amend'): - # Create or update Differential Revision - revision, diff = createdifferentialrevision( - ctx, revid, lastrevid, oldnode, olddiff, actions) - diffmap[ctx.node()] = diff - newrevid = int(revision[r'object'][r'id']) - if revid: - action = b'updated' - else: - action = b'created' - - # Create a local tag to note the association, if commit message - # does not have it already - m = _differentialrevisiondescre.search(ctx.description()) - if not m or int(m.group(b'id')) != newrevid: - tagname = b'D%d' % newrevid - tags.tag(repo, tagname, ctx.node(), message=None, user=None, - date=None, local=True) - else: - # Nothing changed. But still set "newrevid" so the next revision - # could depend on this one. - newrevid = revid - action = b'skipped' - - actiondesc = ui.label( - {b'created': _(b'created'), - b'skipped': _(b'skipped'), - b'updated': _(b'updated')}[action], - b'phabricator.action.%s' % action) - drevdesc = ui.label(b'D%s' % newrevid, b'phabricator.drev') - nodedesc = ui.label(bytes(ctx), b'phabricator.node') - desc = ui.label(ctx.description().split(b'\n')[0], b'phabricator.desc') - ui.write(_(b'%s - %s - %s: %s\n') % (drevdesc, actiondesc, nodedesc, - desc)) - drevids.append(newrevid) - lastrevid = newrevid - - # Update commit messages and remove tags - if opts.get(b'amend'): - unfi = repo.unfiltered() - drevs = callconduit(repo, b'differential.query', {b'ids': drevids}) - with repo.wlock(), repo.lock(), repo.transaction(b'phabsend'): - wnode = unfi[b'.'].node() - mapping = {} # {oldnode: [newnode]} - for i, rev in enumerate(revs): - old = unfi[rev] - drevid = drevids[i] - drev = [d for d in drevs if int(d[r'id']) == drevid][0] - newdesc = getdescfromdrev(drev) - newdesc = encoding.unitolocal(newdesc) - # Make sure commit message contain "Differential Revision" - if old.description() != newdesc: - parents = [ - mapping.get(old.p1().node(), (old.p1(),))[0], - mapping.get(old.p2().node(), (old.p2(),))[0], - ] - new = context.metadataonlyctx( - repo, old, parents=parents, text=newdesc, - user=old.user(), date=old.date(), extra=old.extra()) - - newnode = new.commit() - - mapping[old.node()] = [newnode] - # Update diff property - writediffproperties(unfi[newnode], diffmap[old.node()]) - # Remove local tags since it's no longer necessary - tagname = b'D%d' % drevid - if tagname in repo.tags(): - tags.tag(repo, tagname, nullid, message=None, user=None, - date=None, local=True) - scmutil.cleanupnodes(repo, mapping, b'phabsend', fixphase=True) - if wnode in mapping: - unfi.setparents(mapping[wnode][0]) - -# Map from "hg:meta" keys to header understood by "hg import". The order is -# consistent with "hg export" output. -_metanamemap = util.sortdict([(r'user', b'User'), (r'date', b'Date'), - (r'node', b'Node ID'), (r'parent', b'Parent ')]) - -def _confirmbeforesend(repo, revs, oldmap): - url, token = readurltoken(repo) - ui = repo.ui - for rev in revs: - ctx = repo[rev] - desc = ctx.description().splitlines()[0] - oldnode, olddiff, drevid = oldmap.get(ctx.node(), (None, None, None)) - if drevid: - drevdesc = ui.label(b'D%s' % drevid, b'phabricator.drev') - else: - drevdesc = ui.label(_(b'NEW'), b'phabricator.drev') - - ui.write(_(b'%s - %s: %s\n') - % (drevdesc, - ui.label(bytes(ctx), b'phabricator.node'), - ui.label(desc, b'phabricator.desc'))) - - if ui.promptchoice(_(b'Send the above changes to %s (yn)?' - b'$$ &Yes $$ &No') % url): - return False - - return True - -_knownstatusnames = {b'accepted', b'needsreview', b'needsrevision', b'closed', - b'abandoned'} - -def _getstatusname(drev): - """get normalized status name from a Differential Revision""" - return drev[r'statusName'].replace(b' ', b'').lower() - -# Small language to specify differential revisions. Support symbols: (), :X, -# +, and -. - -_elements = { - # token-type: binding-strength, primary, prefix, infix, suffix - b'(': (12, None, (b'group', 1, b')'), None, None), - b':': (8, None, (b'ancestors', 8), None, None), - b'&': (5, None, None, (b'and_', 5), None), - b'+': (4, None, None, (b'add', 4), None), - b'-': (4, None, None, (b'sub', 4), None), - b')': (0, None, None, None, None), - b'symbol': (0, b'symbol', None, None, None), - b'end': (0, None, None, None, None), -} - -def _tokenize(text): - view = memoryview(text) # zero-copy slice - special = b'():+-& ' - pos = 0 - length = len(text) - while pos < length: - symbol = b''.join(itertools.takewhile(lambda ch: ch not in special, - view[pos:])) - if symbol: - yield (b'symbol', symbol, pos) - pos += len(symbol) - else: # special char, ignore space - if text[pos] != b' ': - yield (text[pos], None, pos) - pos += 1 - yield (b'end', None, pos) - -def _parse(text): - tree, pos = parser.parser(_elements).parse(_tokenize(text)) - if pos != len(text): - raise error.ParseError(b'invalid token', pos) - return tree - -def _parsedrev(symbol): - """str -> int or None, ex. 'D45' -> 45; '12' -> 12; 'x' -> None""" - if symbol.startswith(b'D') and symbol[1:].isdigit(): - return int(symbol[1:]) - if symbol.isdigit(): - return int(symbol) - -def _prefetchdrevs(tree): - """return ({single-drev-id}, {ancestor-drev-id}) to prefetch""" - drevs = set() - ancestordrevs = set() - op = tree[0] - if op == b'symbol': - r = _parsedrev(tree[1]) - if r: - drevs.add(r) - elif op == b'ancestors': - r, a = _prefetchdrevs(tree[1]) - drevs.update(r) - ancestordrevs.update(r) - ancestordrevs.update(a) - else: - for t in tree[1:]: - r, a = _prefetchdrevs(t) - drevs.update(r) - ancestordrevs.update(a) - return drevs, ancestordrevs - -def querydrev(repo, spec): - """return a list of "Differential Revision" dicts - - spec is a string using a simple query language, see docstring in phabread - for details. - - A "Differential Revision dict" looks like: - - { - "id": "2", - "phid": "PHID-DREV-672qvysjcczopag46qty", - "title": "example", - "uri": "https://phab.example.com/D2", - "dateCreated": "1499181406", - "dateModified": "1499182103", - "authorPHID": "PHID-USER-tv3ohwc4v4jeu34otlye", - "status": "0", - "statusName": "Needs Review", - "properties": [], - "branch": null, - "summary": "", - "testPlan": "", - "lineCount": "2", - "activeDiffPHID": "PHID-DIFF-xoqnjkobbm6k4dk6hi72", - "diffs": [ - "3", - "4", - ], - "commits": [], - "reviewers": [], - "ccs": [], - "hashes": [], - "auxiliary": { - "phabricator:projects": [], - "phabricator:depends-on": [ - "PHID-DREV-gbapp366kutjebt7agcd" - ] - }, - "repositoryPHID": "PHID-REPO-hub2hx62ieuqeheznasv", - "sourcePath": null - } - """ - def fetch(params): - """params -> single drev or None""" - key = (params.get(r'ids') or params.get(r'phids') or [None])[0] - if key in prefetched: - return prefetched[key] - drevs = callconduit(repo, b'differential.query', params) - # Fill prefetched with the result - for drev in drevs: - prefetched[drev[r'phid']] = drev - prefetched[int(drev[r'id'])] = drev - if key not in prefetched: - raise error.Abort(_(b'cannot get Differential Revision %r') - % params) - return prefetched[key] - - def getstack(topdrevids): - """given a top, get a stack from the bottom, [id] -> [id]""" - visited = set() - result = [] - queue = [{r'ids': [i]} for i in topdrevids] - while queue: - params = queue.pop() - drev = fetch(params) - if drev[r'id'] in visited: - continue - visited.add(drev[r'id']) - result.append(int(drev[r'id'])) - auxiliary = drev.get(r'auxiliary', {}) - depends = auxiliary.get(r'phabricator:depends-on', []) - for phid in depends: - queue.append({b'phids': [phid]}) - result.reverse() - return smartset.baseset(result) - - # Initialize prefetch cache - prefetched = {} # {id or phid: drev} - - tree = _parse(spec) - drevs, ancestordrevs = _prefetchdrevs(tree) - - # developer config: phabricator.batchsize - batchsize = repo.ui.configint(b'phabricator', b'batchsize') - - # Prefetch Differential Revisions in batch - tofetch = set(drevs) - for r in ancestordrevs: - tofetch.update(range(max(1, r - batchsize), r + 1)) - if drevs: - fetch({r'ids': list(tofetch)}) - validids = sorted(set(getstack(list(ancestordrevs))) | set(drevs)) - - # Walk through the tree, return smartsets - def walk(tree): - op = tree[0] - if op == b'symbol': - drev = _parsedrev(tree[1]) - if drev: - return smartset.baseset([drev]) - elif tree[1] in _knownstatusnames: - drevs = [r for r in validids - if _getstatusname(prefetched[r]) == tree[1]] - return smartset.baseset(drevs) - else: - raise error.Abort(_(b'unknown symbol: %s') % tree[1]) - elif op in {b'and_', b'add', b'sub'}: - assert len(tree) == 3 - return getattr(operator, op)(walk(tree[1]), walk(tree[2])) - elif op == b'group': - return walk(tree[1]) - elif op == b'ancestors': - return getstack(walk(tree[1])) - else: - raise error.ProgrammingError(b'illegal tree: %r' % tree) - - return [prefetched[r] for r in walk(tree)] - -def getdescfromdrev(drev): - """get description (commit message) from "Differential Revision" - - This is similar to differential.getcommitmessage API. But we only care - about limited fields: title, summary, test plan, and URL. - """ - title = drev[r'title'] - summary = drev[r'summary'].rstrip() - testplan = drev[r'testPlan'].rstrip() - if testplan: - testplan = b'Test Plan:\n%s' % testplan - uri = b'Differential Revision: %s' % drev[r'uri'] - return b'\n\n'.join(filter(None, [title, summary, testplan, uri])) - -def getdiffmeta(diff): - """get commit metadata (date, node, user, p1) from a diff object - - The metadata could be "hg:meta", sent by phabsend, like: - - "properties": { - "hg:meta": { - "date": "1499571514 25200", - "node": "98c08acae292b2faf60a279b4189beb6cff1414d", - "user": "Foo Bar <foo@example.com>", - "parent": "6d0abad76b30e4724a37ab8721d630394070fe16" - } - } - - Or converted from "local:commits", sent by "arc", like: - - "properties": { - "local:commits": { - "98c08acae292b2faf60a279b4189beb6cff1414d": { - "author": "Foo Bar", - "time": 1499546314, - "branch": "default", - "tag": "", - "commit": "98c08acae292b2faf60a279b4189beb6cff1414d", - "rev": "98c08acae292b2faf60a279b4189beb6cff1414d", - "local": "1000", - "parents": ["6d0abad76b30e4724a37ab8721d630394070fe16"], - "summary": "...", - "message": "...", - "authorEmail": "foo@example.com" - } - } - } - - Note: metadata extracted from "local:commits" will lose time zone - information. - """ - props = diff.get(r'properties') or {} - meta = props.get(r'hg:meta') - if not meta and props.get(r'local:commits'): - commit = sorted(props[r'local:commits'].values())[0] - meta = { - r'date': r'%d 0' % commit[r'time'], - r'node': commit[r'rev'], - r'user': r'%s <%s>' % (commit[r'author'], commit[r'authorEmail']), - } - if len(commit.get(r'parents', ())) >= 1: - meta[r'parent'] = commit[r'parents'][0] - return meta or {} - -def readpatch(repo, drevs, write): - """generate plain-text patch readable by 'hg import' - - write is usually ui.write. drevs is what "querydrev" returns, results of - "differential.query". - """ - # Prefetch hg:meta property for all diffs - diffids = sorted(set(max(int(v) for v in drev[r'diffs']) for drev in drevs)) - diffs = callconduit(repo, b'differential.querydiffs', {b'ids': diffids}) - - # Generate patch for each drev - for drev in drevs: - repo.ui.note(_(b'reading D%s\n') % drev[r'id']) - - diffid = max(int(v) for v in drev[r'diffs']) - body = callconduit(repo, b'differential.getrawdiff', - {b'diffID': diffid}) - desc = getdescfromdrev(drev) - header = b'# HG changeset patch\n' - - # Try to preserve metadata from hg:meta property. Write hg patch - # headers that can be read by the "import" command. See patchheadermap - # and extract in mercurial/patch.py for supported headers. - meta = getdiffmeta(diffs[str(diffid)]) - for k in _metanamemap.keys(): - if k in meta: - header += b'# %s %s\n' % (_metanamemap[k], meta[k]) - - content = b'%s%s\n%s' % (header, desc, body) - write(encoding.unitolocal(content)) - -@vcrcommand(b'phabread', - [(b'', b'stack', False, _(b'read dependencies'))], - _(b'DREVSPEC [OPTIONS]')) -def phabread(ui, repo, spec, **opts): - """print patches from Phabricator suitable for importing - - DREVSPEC could be a Differential Revision identity, like ``D123``, or just - the number ``123``. It could also have common operators like ``+``, ``-``, - ``&``, ``(``, ``)`` for complex queries. Prefix ``:`` could be used to - select a stack. - - ``abandoned``, ``accepted``, ``closed``, ``needsreview``, ``needsrevision`` - could be used to filter patches by status. For performance reason, they - only represent a subset of non-status selections and cannot be used alone. - - For example, ``:D6+8-(2+D4)`` selects a stack up to D6, plus D8 and exclude - D2 and D4. ``:D9 & needsreview`` selects "Needs Review" revisions in a - stack up to D9. - - If --stack is given, follow dependencies information and read all patches. - It is equivalent to the ``:`` operator. - """ - if opts.get(b'stack'): - spec = b':(%s)' % spec - drevs = querydrev(repo, spec) - readpatch(repo, drevs, ui.write) - -@vcrcommand(b'phabupdate', - [(b'', b'accept', False, _(b'accept revisions')), - (b'', b'reject', False, _(b'reject revisions')), - (b'', b'abandon', False, _(b'abandon revisions')), - (b'', b'reclaim', False, _(b'reclaim revisions')), - (b'm', b'comment', b'', _(b'comment on the last revision')), - ], _(b'DREVSPEC [OPTIONS]')) -def phabupdate(ui, repo, spec, **opts): - """update Differential Revision in batch - - DREVSPEC selects revisions. See :hg:`help phabread` for its usage. - """ - flags = [n for n in b'accept reject abandon reclaim'.split() if opts.get(n)] - if len(flags) > 1: - raise error.Abort(_(b'%s cannot be used together') % b', '.join(flags)) - - actions = [] - for f in flags: - actions.append({b'type': f, b'value': b'true'}) - - drevs = querydrev(repo, spec) - for i, drev in enumerate(drevs): - if i + 1 == len(drevs) and opts.get(b'comment'): - actions.append({b'type': b'comment', b'value': opts[b'comment']}) - if actions: - params = {b'objectIdentifier': drev[r'phid'], - b'transactions': actions} - callconduit(repo, b'differential.revision.edit', params) - -templatekeyword = registrar.templatekeyword() - -@templatekeyword(b'phabreview', requires={b'ctx'}) -def template_review(context, mapping): - """:phabreview: Object describing the review for this changeset. - Has attributes `url` and `id`. - """ - ctx = context.resource(mapping, b'ctx') - m = _differentialrevisiondescre.search(ctx.description()) - if m: - return { - b'url': m.group(b'url'), - b'id': b"D{}".format(m.group(b'id')), - }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hgext/phabricator.py Sat Sep 15 00:46:17 2018 -0400 @@ -0,0 +1,1012 @@ +# phabricator.py - simple Phabricator integration +# +# Copyright 2017 Facebook, Inc. +# +# This software may be used and distributed according to the terms of the +# GNU General Public License version 2 or any later version. +"""simple Phabricator integration + +This extension provides a ``phabsend`` command which sends a stack of +changesets to Phabricator, and a ``phabread`` command which prints a stack of +revisions in a format suitable for :hg:`import`, and a ``phabupdate`` command +to update statuses in batch. + +By default, Phabricator requires ``Test Plan`` which might prevent some +changeset from being sent. The requirement could be disabled by changing +``differential.require-test-plan-field`` config server side. + +Config:: + + [phabricator] + # Phabricator URL + url = https://phab.example.com/ + + # Repo callsign. If a repo has a URL https://$HOST/diffusion/FOO, then its + # callsign is "FOO". + callsign = FOO + + # curl command to use. If not set (default), use builtin HTTP library to + # communicate. If set, use the specified curl command. This could be useful + # if you need to specify advanced options that is not easily supported by + # the internal library. + curlcmd = curl --connect-timeout 2 --retry 3 --silent + + [auth] + example.schemes = https + example.prefix = phab.example.com + + # API token. Get it from https://$HOST/conduit/login/ + example.phabtoken = cli-xxxxxxxxxxxxxxxxxxxxxxxxxxxx +""" + +from __future__ import absolute_import + +import itertools +import json +import operator +import re + +from mercurial.node import bin, nullid +from mercurial.i18n import _ +from mercurial import ( + cmdutil, + context, + encoding, + error, + httpconnection as httpconnectionmod, + mdiff, + obsutil, + parser, + patch, + registrar, + scmutil, + smartset, + tags, + url as urlmod, + util, +) +from mercurial.utils import ( + procutil, + stringutil, +) + +cmdtable = {} +command = registrar.command(cmdtable) + +configtable = {} +configitem = registrar.configitem(configtable) + +# developer config: phabricator.batchsize +configitem(b'phabricator', b'batchsize', + default=12, +) +configitem(b'phabricator', b'callsign', + default=None, +) +configitem(b'phabricator', b'curlcmd', + default=None, +) +# developer config: phabricator.repophid +configitem(b'phabricator', b'repophid', + default=None, +) +configitem(b'phabricator', b'url', + default=None, +) +configitem(b'phabsend', b'confirm', + default=False, +) + +colortable = { + b'phabricator.action.created': b'green', + b'phabricator.action.skipped': b'magenta', + b'phabricator.action.updated': b'magenta', + b'phabricator.desc': b'', + b'phabricator.drev': b'bold', + b'phabricator.node': b'', +} + +_VCR_FLAGS = [ + (b'', b'test-vcr', b'', + _(b'Path to a vcr file. If nonexistent, will record a new vcr transcript' + b', otherwise will mock all http requests using the specified vcr file.' + b' (ADVANCED)' + )), +] + +def vcrcommand(name, flags, spec): + fullflags = flags + _VCR_FLAGS + def decorate(fn): + def inner(*args, **kwargs): + cassette = kwargs.pop(r'test_vcr', None) + if cassette: + import hgdemandimport + with hgdemandimport.deactivated(): + import vcr as vcrmod + import vcr.stubs as stubs + vcr = vcrmod.VCR( + serializer=r'json', + custom_patches=[ + (urlmod, 'httpconnection', stubs.VCRHTTPConnection), + (urlmod, 'httpsconnection', stubs.VCRHTTPSConnection), + ]) + with vcr.use_cassette(cassette): + return fn(*args, **kwargs) + return fn(*args, **kwargs) + inner.__name__ = fn.__name__ + return command(name, fullflags, spec)(inner) + return decorate + +def urlencodenested(params): + """like urlencode, but works with nested parameters. + + For example, if params is {'a': ['b', 'c'], 'd': {'e': 'f'}}, it will be + flattened to {'a[0]': 'b', 'a[1]': 'c', 'd[e]': 'f'} and then passed to + urlencode. Note: the encoding is consistent with PHP's http_build_query. + """ + flatparams = util.sortdict() + def process(prefix, obj): + items = {list: enumerate, dict: lambda x: x.items()}.get(type(obj)) + if items is None: + flatparams[prefix] = obj + else: + for k, v in items(obj): + if prefix: + process(b'%s[%s]' % (prefix, k), v) + else: + process(k, v) + process(b'', params) + return util.urlreq.urlencode(flatparams) + +printed_token_warning = False + +def readlegacytoken(repo, url): + """Transitional support for old phabricator tokens. + + Remove before the 4.7 release. + """ + groups = {} + for key, val in repo.ui.configitems(b'phabricator.auth'): + if b'.' not in key: + repo.ui.warn(_(b"ignoring invalid [phabricator.auth] key '%s'\n") + % key) + continue + group, setting = key.rsplit(b'.', 1) + groups.setdefault(group, {})[setting] = val + + token = None + for group, auth in groups.iteritems(): + if url != auth.get(b'url'): + continue + token = auth.get(b'token') + if token: + break + + global printed_token_warning + + if token and not printed_token_warning: + printed_token_warning = True + repo.ui.warn(_(b'phabricator.auth.token is deprecated - please ' + b'migrate to auth.phabtoken.\n')) + return token + +def readurltoken(repo): + """return conduit url, token and make sure they exist + + Currently read from [auth] config section. In the future, it might + make sense to read from .arcconfig and .arcrc as well. + """ + url = repo.ui.config(b'phabricator', b'url') + if not url: + raise error.Abort(_(b'config %s.%s is required') + % (b'phabricator', b'url')) + + res = httpconnectionmod.readauthforuri(repo.ui, url, util.url(url).user) + token = None + + if res: + group, auth = res + + repo.ui.debug(b"using auth.%s.* for authentication\n" % group) + + token = auth.get(b'phabtoken') + + if not token: + token = readlegacytoken(repo, url) + if not token: + raise error.Abort(_(b'Can\'t find conduit token associated to %s') + % (url,)) + + return url, token + +def callconduit(repo, name, params): + """call Conduit API, params is a dict. return json.loads result, or None""" + host, token = readurltoken(repo) + url, authinfo = util.url(b'/'.join([host, b'api', name])).authinfo() + repo.ui.debug(b'Conduit Call: %s %s\n' % (url, params)) + params = params.copy() + params[b'api.token'] = token + data = urlencodenested(params) + curlcmd = repo.ui.config(b'phabricator', b'curlcmd') + if curlcmd: + sin, sout = procutil.popen2(b'%s -d @- %s' + % (curlcmd, procutil.shellquote(url))) + sin.write(data) + sin.close() + body = sout.read() + else: + urlopener = urlmod.opener(repo.ui, authinfo) + request = util.urlreq.request(url, data=data) + body = urlopener.open(request).read() + repo.ui.debug(b'Conduit Response: %s\n' % body) + parsed = json.loads(body) + if parsed.get(r'error_code'): + msg = (_(b'Conduit Error (%s): %s') + % (parsed[r'error_code'], parsed[r'error_info'])) + raise error.Abort(msg) + return parsed[r'result'] + +@vcrcommand(b'debugcallconduit', [], _(b'METHOD')) +def debugcallconduit(ui, repo, name): + """call Conduit API + + Call parameters are read from stdin as a JSON blob. Result will be written + to stdout as a JSON blob. + """ + params = json.loads(ui.fin.read()) + result = callconduit(repo, name, params) + s = json.dumps(result, sort_keys=True, indent=2, separators=(b',', b': ')) + ui.write(b'%s\n' % s) + +def getrepophid(repo): + """given callsign, return repository PHID or None""" + # developer config: phabricator.repophid + repophid = repo.ui.config(b'phabricator', b'repophid') + if repophid: + return repophid + callsign = repo.ui.config(b'phabricator', b'callsign') + if not callsign: + return None + query = callconduit(repo, b'diffusion.repository.search', + {b'constraints': {b'callsigns': [callsign]}}) + if len(query[r'data']) == 0: + return None + repophid = encoding.strtolocal(query[r'data'][0][r'phid']) + repo.ui.setconfig(b'phabricator', b'repophid', repophid) + return repophid + +_differentialrevisiontagre = re.compile(b'\AD([1-9][0-9]*)\Z') +_differentialrevisiondescre = re.compile( + b'^Differential Revision:\s*(?P<url>(?:.*)D(?P<id>[1-9][0-9]*))$', re.M) + +def getoldnodedrevmap(repo, nodelist): + """find previous nodes that has been sent to Phabricator + + return {node: (oldnode, Differential diff, Differential Revision ID)} + for node in nodelist with known previous sent versions, or associated + Differential Revision IDs. ``oldnode`` and ``Differential diff`` could + be ``None``. + + Examines commit messages like "Differential Revision:" to get the + association information. + + If such commit message line is not found, examines all precursors and their + tags. Tags with format like "D1234" are considered a match and the node + with that tag, and the number after "D" (ex. 1234) will be returned. + + The ``old node``, if not None, is guaranteed to be the last diff of + corresponding Differential Revision, and exist in the repo. + """ + url, token = readurltoken(repo) + unfi = repo.unfiltered() + nodemap = unfi.changelog.nodemap + + result = {} # {node: (oldnode?, lastdiff?, drev)} + toconfirm = {} # {node: (force, {precnode}, drev)} + for node in nodelist: + ctx = unfi[node] + # For tags like "D123", put them into "toconfirm" to verify later + precnodes = list(obsutil.allpredecessors(unfi.obsstore, [node])) + for n in precnodes: + if n in nodemap: + for tag in unfi.nodetags(n): + m = _differentialrevisiontagre.match(tag) + if m: + toconfirm[node] = (0, set(precnodes), int(m.group(1))) + continue + + # Check commit message + m = _differentialrevisiondescre.search(ctx.description()) + if m: + toconfirm[node] = (1, set(precnodes), int(m.group(b'id'))) + + # Double check if tags are genuine by collecting all old nodes from + # Phabricator, and expect precursors overlap with it. + if toconfirm: + drevs = [drev for force, precs, drev in toconfirm.values()] + alldiffs = callconduit(unfi, b'differential.querydiffs', + {b'revisionIDs': drevs}) + getnode = lambda d: bin(encoding.unitolocal( + getdiffmeta(d).get(r'node', b''))) or None + for newnode, (force, precset, drev) in toconfirm.items(): + diffs = [d for d in alldiffs.values() + if int(d[r'revisionID']) == drev] + + # "precursors" as known by Phabricator + phprecset = set(getnode(d) for d in diffs) + + # Ignore if precursors (Phabricator and local repo) do not overlap, + # and force is not set (when commit message says nothing) + if not force and not bool(phprecset & precset): + tagname = b'D%d' % drev + tags.tag(repo, tagname, nullid, message=None, user=None, + date=None, local=True) + unfi.ui.warn(_(b'D%s: local tag removed - does not match ' + b'Differential history\n') % drev) + continue + + # Find the last node using Phabricator metadata, and make sure it + # exists in the repo + oldnode = lastdiff = None + if diffs: + lastdiff = max(diffs, key=lambda d: int(d[r'id'])) + oldnode = getnode(lastdiff) + if oldnode and oldnode not in nodemap: + oldnode = None + + result[newnode] = (oldnode, lastdiff, drev) + + return result + +def getdiff(ctx, diffopts): + """plain-text diff without header (user, commit message, etc)""" + output = util.stringio() + for chunk, _label in patch.diffui(ctx.repo(), ctx.p1().node(), ctx.node(), + None, opts=diffopts): + output.write(chunk) + return output.getvalue() + +def creatediff(ctx): + """create a Differential Diff""" + repo = ctx.repo() + repophid = getrepophid(repo) + # Create a "Differential Diff" via "differential.createrawdiff" API + params = {b'diff': getdiff(ctx, mdiff.diffopts(git=True, context=32767))} + if repophid: + params[b'repositoryPHID'] = repophid + diff = callconduit(repo, b'differential.createrawdiff', params) + if not diff: + raise error.Abort(_(b'cannot create diff for %s') % ctx) + return diff + +def writediffproperties(ctx, diff): + """write metadata to diff so patches could be applied losslessly""" + params = { + b'diff_id': diff[r'id'], + b'name': b'hg:meta', + b'data': json.dumps({ + b'user': ctx.user(), + b'date': b'%d %d' % ctx.date(), + b'node': ctx.hex(), + b'parent': ctx.p1().hex(), + }), + } + callconduit(ctx.repo(), b'differential.setdiffproperty', params) + + params = { + b'diff_id': diff[r'id'], + b'name': b'local:commits', + b'data': json.dumps({ + ctx.hex(): { + b'author': stringutil.person(ctx.user()), + b'authorEmail': stringutil.email(ctx.user()), + b'time': ctx.date()[0], + }, + }), + } + callconduit(ctx.repo(), b'differential.setdiffproperty', params) + +def createdifferentialrevision(ctx, revid=None, parentrevid=None, oldnode=None, + olddiff=None, actions=None): + """create or update a Differential Revision + + If revid is None, create a new Differential Revision, otherwise update + revid. If parentrevid is not None, set it as a dependency. + + If oldnode is not None, check if the patch content (without commit message + and metadata) has changed before creating another diff. + + If actions is not None, they will be appended to the transaction. + """ + repo = ctx.repo() + if oldnode: + diffopts = mdiff.diffopts(git=True, context=32767) + oldctx = repo.unfiltered()[oldnode] + neednewdiff = (getdiff(ctx, diffopts) != getdiff(oldctx, diffopts)) + else: + neednewdiff = True + + transactions = [] + if neednewdiff: + diff = creatediff(ctx) + transactions.append({b'type': b'update', b'value': diff[r'phid']}) + else: + # Even if we don't need to upload a new diff because the patch content + # does not change. We might still need to update its metadata so + # pushers could know the correct node metadata. + assert olddiff + diff = olddiff + writediffproperties(ctx, diff) + + # Use a temporary summary to set dependency. There might be better ways but + # I cannot find them for now. But do not do that if we are updating an + # existing revision (revid is not None) since that introduces visible + # churns (someone edited "Summary" twice) on the web page. + if parentrevid and revid is None: + summary = b'Depends on D%s' % parentrevid + transactions += [{b'type': b'summary', b'value': summary}, + {b'type': b'summary', b'value': b' '}] + + if actions: + transactions += actions + + # Parse commit message and update related fields. + desc = ctx.description() + info = callconduit(repo, b'differential.parsecommitmessage', + {b'corpus': desc}) + for k, v in info[r'fields'].items(): + if k in [b'title', b'summary', b'testPlan']: + transactions.append({b'type': k, b'value': v}) + + params = {b'transactions': transactions} + if revid is not None: + # Update an existing Differential Revision + params[b'objectIdentifier'] = revid + + revision = callconduit(repo, b'differential.revision.edit', params) + if not revision: + raise error.Abort(_(b'cannot create revision for %s') % ctx) + + return revision, diff + +def userphids(repo, names): + """convert user names to PHIDs""" + query = {b'constraints': {b'usernames': names}} + result = callconduit(repo, b'user.search', query) + # username not found is not an error of the API. So check if we have missed + # some names here. + data = result[r'data'] + resolved = set(entry[r'fields'][r'username'] for entry in data) + unresolved = set(names) - resolved + if unresolved: + raise error.Abort(_(b'unknown username: %s') + % b' '.join(sorted(unresolved))) + return [entry[r'phid'] for entry in data] + +@vcrcommand(b'phabsend', + [(b'r', b'rev', [], _(b'revisions to send'), _(b'REV')), + (b'', b'amend', True, _(b'update commit messages')), + (b'', b'reviewer', [], _(b'specify reviewers')), + (b'', b'confirm', None, _(b'ask for confirmation before sending'))], + _(b'REV [OPTIONS]')) +def phabsend(ui, repo, *revs, **opts): + """upload changesets to Phabricator + + If there are multiple revisions specified, they will be send as a stack + with a linear dependencies relationship using the order specified by the + revset. + + For the first time uploading changesets, local tags will be created to + maintain the association. After the first time, phabsend will check + obsstore and tags information so it can figure out whether to update an + existing Differential Revision, or create a new one. + + If --amend is set, update commit messages so they have the + ``Differential Revision`` URL, remove related tags. This is similar to what + arcanist will do, and is more desired in author-push workflows. Otherwise, + use local tags to record the ``Differential Revision`` association. + + The --confirm option lets you confirm changesets before sending them. You + can also add following to your configuration file to make it default + behaviour:: + + [phabsend] + confirm = true + + phabsend will check obsstore and the above association to decide whether to + update an existing Differential Revision, or create a new one. + """ + revs = list(revs) + opts.get(b'rev', []) + revs = scmutil.revrange(repo, revs) + + if not revs: + raise error.Abort(_(b'phabsend requires at least one changeset')) + if opts.get(b'amend'): + cmdutil.checkunfinished(repo) + + # {newnode: (oldnode, olddiff, olddrev} + oldmap = getoldnodedrevmap(repo, [repo[r].node() for r in revs]) + + confirm = ui.configbool(b'phabsend', b'confirm') + confirm |= bool(opts.get(b'confirm')) + if confirm: + confirmed = _confirmbeforesend(repo, revs, oldmap) + if not confirmed: + raise error.Abort(_(b'phabsend cancelled')) + + actions = [] + reviewers = opts.get(b'reviewer', []) + if reviewers: + phids = userphids(repo, reviewers) + actions.append({b'type': b'reviewers.add', b'value': phids}) + + drevids = [] # [int] + diffmap = {} # {newnode: diff} + + # Send patches one by one so we know their Differential Revision IDs and + # can provide dependency relationship + lastrevid = None + for rev in revs: + ui.debug(b'sending rev %d\n' % rev) + ctx = repo[rev] + + # Get Differential Revision ID + oldnode, olddiff, revid = oldmap.get(ctx.node(), (None, None, None)) + if oldnode != ctx.node() or opts.get(b'amend'): + # Create or update Differential Revision + revision, diff = createdifferentialrevision( + ctx, revid, lastrevid, oldnode, olddiff, actions) + diffmap[ctx.node()] = diff + newrevid = int(revision[r'object'][r'id']) + if revid: + action = b'updated' + else: + action = b'created' + + # Create a local tag to note the association, if commit message + # does not have it already + m = _differentialrevisiondescre.search(ctx.description()) + if not m or int(m.group(b'id')) != newrevid: + tagname = b'D%d' % newrevid + tags.tag(repo, tagname, ctx.node(), message=None, user=None, + date=None, local=True) + else: + # Nothing changed. But still set "newrevid" so the next revision + # could depend on this one. + newrevid = revid + action = b'skipped' + + actiondesc = ui.label( + {b'created': _(b'created'), + b'skipped': _(b'skipped'), + b'updated': _(b'updated')}[action], + b'phabricator.action.%s' % action) + drevdesc = ui.label(b'D%s' % newrevid, b'phabricator.drev') + nodedesc = ui.label(bytes(ctx), b'phabricator.node') + desc = ui.label(ctx.description().split(b'\n')[0], b'phabricator.desc') + ui.write(_(b'%s - %s - %s: %s\n') % (drevdesc, actiondesc, nodedesc, + desc)) + drevids.append(newrevid) + lastrevid = newrevid + + # Update commit messages and remove tags + if opts.get(b'amend'): + unfi = repo.unfiltered() + drevs = callconduit(repo, b'differential.query', {b'ids': drevids}) + with repo.wlock(), repo.lock(), repo.transaction(b'phabsend'): + wnode = unfi[b'.'].node() + mapping = {} # {oldnode: [newnode]} + for i, rev in enumerate(revs): + old = unfi[rev] + drevid = drevids[i] + drev = [d for d in drevs if int(d[r'id']) == drevid][0] + newdesc = getdescfromdrev(drev) + newdesc = encoding.unitolocal(newdesc) + # Make sure commit message contain "Differential Revision" + if old.description() != newdesc: + parents = [ + mapping.get(old.p1().node(), (old.p1(),))[0], + mapping.get(old.p2().node(), (old.p2(),))[0], + ] + new = context.metadataonlyctx( + repo, old, parents=parents, text=newdesc, + user=old.user(), date=old.date(), extra=old.extra()) + + newnode = new.commit() + + mapping[old.node()] = [newnode] + # Update diff property + writediffproperties(unfi[newnode], diffmap[old.node()]) + # Remove local tags since it's no longer necessary + tagname = b'D%d' % drevid + if tagname in repo.tags(): + tags.tag(repo, tagname, nullid, message=None, user=None, + date=None, local=True) + scmutil.cleanupnodes(repo, mapping, b'phabsend', fixphase=True) + if wnode in mapping: + unfi.setparents(mapping[wnode][0]) + +# Map from "hg:meta" keys to header understood by "hg import". The order is +# consistent with "hg export" output. +_metanamemap = util.sortdict([(r'user', b'User'), (r'date', b'Date'), + (r'node', b'Node ID'), (r'parent', b'Parent ')]) + +def _confirmbeforesend(repo, revs, oldmap): + url, token = readurltoken(repo) + ui = repo.ui + for rev in revs: + ctx = repo[rev] + desc = ctx.description().splitlines()[0] + oldnode, olddiff, drevid = oldmap.get(ctx.node(), (None, None, None)) + if drevid: + drevdesc = ui.label(b'D%s' % drevid, b'phabricator.drev') + else: + drevdesc = ui.label(_(b'NEW'), b'phabricator.drev') + + ui.write(_(b'%s - %s: %s\n') + % (drevdesc, + ui.label(bytes(ctx), b'phabricator.node'), + ui.label(desc, b'phabricator.desc'))) + + if ui.promptchoice(_(b'Send the above changes to %s (yn)?' + b'$$ &Yes $$ &No') % url): + return False + + return True + +_knownstatusnames = {b'accepted', b'needsreview', b'needsrevision', b'closed', + b'abandoned'} + +def _getstatusname(drev): + """get normalized status name from a Differential Revision""" + return drev[r'statusName'].replace(b' ', b'').lower() + +# Small language to specify differential revisions. Support symbols: (), :X, +# +, and -. + +_elements = { + # token-type: binding-strength, primary, prefix, infix, suffix + b'(': (12, None, (b'group', 1, b')'), None, None), + b':': (8, None, (b'ancestors', 8), None, None), + b'&': (5, None, None, (b'and_', 5), None), + b'+': (4, None, None, (b'add', 4), None), + b'-': (4, None, None, (b'sub', 4), None), + b')': (0, None, None, None, None), + b'symbol': (0, b'symbol', None, None, None), + b'end': (0, None, None, None, None), +} + +def _tokenize(text): + view = memoryview(text) # zero-copy slice + special = b'():+-& ' + pos = 0 + length = len(text) + while pos < length: + symbol = b''.join(itertools.takewhile(lambda ch: ch not in special, + view[pos:])) + if symbol: + yield (b'symbol', symbol, pos) + pos += len(symbol) + else: # special char, ignore space + if text[pos] != b' ': + yield (text[pos], None, pos) + pos += 1 + yield (b'end', None, pos) + +def _parse(text): + tree, pos = parser.parser(_elements).parse(_tokenize(text)) + if pos != len(text): + raise error.ParseError(b'invalid token', pos) + return tree + +def _parsedrev(symbol): + """str -> int or None, ex. 'D45' -> 45; '12' -> 12; 'x' -> None""" + if symbol.startswith(b'D') and symbol[1:].isdigit(): + return int(symbol[1:]) + if symbol.isdigit(): + return int(symbol) + +def _prefetchdrevs(tree): + """return ({single-drev-id}, {ancestor-drev-id}) to prefetch""" + drevs = set() + ancestordrevs = set() + op = tree[0] + if op == b'symbol': + r = _parsedrev(tree[1]) + if r: + drevs.add(r) + elif op == b'ancestors': + r, a = _prefetchdrevs(tree[1]) + drevs.update(r) + ancestordrevs.update(r) + ancestordrevs.update(a) + else: + for t in tree[1:]: + r, a = _prefetchdrevs(t) + drevs.update(r) + ancestordrevs.update(a) + return drevs, ancestordrevs + +def querydrev(repo, spec): + """return a list of "Differential Revision" dicts + + spec is a string using a simple query language, see docstring in phabread + for details. + + A "Differential Revision dict" looks like: + + { + "id": "2", + "phid": "PHID-DREV-672qvysjcczopag46qty", + "title": "example", + "uri": "https://phab.example.com/D2", + "dateCreated": "1499181406", + "dateModified": "1499182103", + "authorPHID": "PHID-USER-tv3ohwc4v4jeu34otlye", + "status": "0", + "statusName": "Needs Review", + "properties": [], + "branch": null, + "summary": "", + "testPlan": "", + "lineCount": "2", + "activeDiffPHID": "PHID-DIFF-xoqnjkobbm6k4dk6hi72", + "diffs": [ + "3", + "4", + ], + "commits": [], + "reviewers": [], + "ccs": [], + "hashes": [], + "auxiliary": { + "phabricator:projects": [], + "phabricator:depends-on": [ + "PHID-DREV-gbapp366kutjebt7agcd" + ] + }, + "repositoryPHID": "PHID-REPO-hub2hx62ieuqeheznasv", + "sourcePath": null + } + """ + def fetch(params): + """params -> single drev or None""" + key = (params.get(r'ids') or params.get(r'phids') or [None])[0] + if key in prefetched: + return prefetched[key] + drevs = callconduit(repo, b'differential.query', params) + # Fill prefetched with the result + for drev in drevs: + prefetched[drev[r'phid']] = drev + prefetched[int(drev[r'id'])] = drev + if key not in prefetched: + raise error.Abort(_(b'cannot get Differential Revision %r') + % params) + return prefetched[key] + + def getstack(topdrevids): + """given a top, get a stack from the bottom, [id] -> [id]""" + visited = set() + result = [] + queue = [{r'ids': [i]} for i in topdrevids] + while queue: + params = queue.pop() + drev = fetch(params) + if drev[r'id'] in visited: + continue + visited.add(drev[r'id']) + result.append(int(drev[r'id'])) + auxiliary = drev.get(r'auxiliary', {}) + depends = auxiliary.get(r'phabricator:depends-on', []) + for phid in depends: + queue.append({b'phids': [phid]}) + result.reverse() + return smartset.baseset(result) + + # Initialize prefetch cache + prefetched = {} # {id or phid: drev} + + tree = _parse(spec) + drevs, ancestordrevs = _prefetchdrevs(tree) + + # developer config: phabricator.batchsize + batchsize = repo.ui.configint(b'phabricator', b'batchsize') + + # Prefetch Differential Revisions in batch + tofetch = set(drevs) + for r in ancestordrevs: + tofetch.update(range(max(1, r - batchsize), r + 1)) + if drevs: + fetch({r'ids': list(tofetch)}) + validids = sorted(set(getstack(list(ancestordrevs))) | set(drevs)) + + # Walk through the tree, return smartsets + def walk(tree): + op = tree[0] + if op == b'symbol': + drev = _parsedrev(tree[1]) + if drev: + return smartset.baseset([drev]) + elif tree[1] in _knownstatusnames: + drevs = [r for r in validids + if _getstatusname(prefetched[r]) == tree[1]] + return smartset.baseset(drevs) + else: + raise error.Abort(_(b'unknown symbol: %s') % tree[1]) + elif op in {b'and_', b'add', b'sub'}: + assert len(tree) == 3 + return getattr(operator, op)(walk(tree[1]), walk(tree[2])) + elif op == b'group': + return walk(tree[1]) + elif op == b'ancestors': + return getstack(walk(tree[1])) + else: + raise error.ProgrammingError(b'illegal tree: %r' % tree) + + return [prefetched[r] for r in walk(tree)] + +def getdescfromdrev(drev): + """get description (commit message) from "Differential Revision" + + This is similar to differential.getcommitmessage API. But we only care + about limited fields: title, summary, test plan, and URL. + """ + title = drev[r'title'] + summary = drev[r'summary'].rstrip() + testplan = drev[r'testPlan'].rstrip() + if testplan: + testplan = b'Test Plan:\n%s' % testplan + uri = b'Differential Revision: %s' % drev[r'uri'] + return b'\n\n'.join(filter(None, [title, summary, testplan, uri])) + +def getdiffmeta(diff): + """get commit metadata (date, node, user, p1) from a diff object + + The metadata could be "hg:meta", sent by phabsend, like: + + "properties": { + "hg:meta": { + "date": "1499571514 25200", + "node": "98c08acae292b2faf60a279b4189beb6cff1414d", + "user": "Foo Bar <foo@example.com>", + "parent": "6d0abad76b30e4724a37ab8721d630394070fe16" + } + } + + Or converted from "local:commits", sent by "arc", like: + + "properties": { + "local:commits": { + "98c08acae292b2faf60a279b4189beb6cff1414d": { + "author": "Foo Bar", + "time": 1499546314, + "branch": "default", + "tag": "", + "commit": "98c08acae292b2faf60a279b4189beb6cff1414d", + "rev": "98c08acae292b2faf60a279b4189beb6cff1414d", + "local": "1000", + "parents": ["6d0abad76b30e4724a37ab8721d630394070fe16"], + "summary": "...", + "message": "...", + "authorEmail": "foo@example.com" + } + } + } + + Note: metadata extracted from "local:commits" will lose time zone + information. + """ + props = diff.get(r'properties') or {} + meta = props.get(r'hg:meta') + if not meta and props.get(r'local:commits'): + commit = sorted(props[r'local:commits'].values())[0] + meta = { + r'date': r'%d 0' % commit[r'time'], + r'node': commit[r'rev'], + r'user': r'%s <%s>' % (commit[r'author'], commit[r'authorEmail']), + } + if len(commit.get(r'parents', ())) >= 1: + meta[r'parent'] = commit[r'parents'][0] + return meta or {} + +def readpatch(repo, drevs, write): + """generate plain-text patch readable by 'hg import' + + write is usually ui.write. drevs is what "querydrev" returns, results of + "differential.query". + """ + # Prefetch hg:meta property for all diffs + diffids = sorted(set(max(int(v) for v in drev[r'diffs']) for drev in drevs)) + diffs = callconduit(repo, b'differential.querydiffs', {b'ids': diffids}) + + # Generate patch for each drev + for drev in drevs: + repo.ui.note(_(b'reading D%s\n') % drev[r'id']) + + diffid = max(int(v) for v in drev[r'diffs']) + body = callconduit(repo, b'differential.getrawdiff', + {b'diffID': diffid}) + desc = getdescfromdrev(drev) + header = b'# HG changeset patch\n' + + # Try to preserve metadata from hg:meta property. Write hg patch + # headers that can be read by the "import" command. See patchheadermap + # and extract in mercurial/patch.py for supported headers. + meta = getdiffmeta(diffs[str(diffid)]) + for k in _metanamemap.keys(): + if k in meta: + header += b'# %s %s\n' % (_metanamemap[k], meta[k]) + + content = b'%s%s\n%s' % (header, desc, body) + write(encoding.unitolocal(content)) + +@vcrcommand(b'phabread', + [(b'', b'stack', False, _(b'read dependencies'))], + _(b'DREVSPEC [OPTIONS]')) +def phabread(ui, repo, spec, **opts): + """print patches from Phabricator suitable for importing + + DREVSPEC could be a Differential Revision identity, like ``D123``, or just + the number ``123``. It could also have common operators like ``+``, ``-``, + ``&``, ``(``, ``)`` for complex queries. Prefix ``:`` could be used to + select a stack. + + ``abandoned``, ``accepted``, ``closed``, ``needsreview``, ``needsrevision`` + could be used to filter patches by status. For performance reason, they + only represent a subset of non-status selections and cannot be used alone. + + For example, ``:D6+8-(2+D4)`` selects a stack up to D6, plus D8 and exclude + D2 and D4. ``:D9 & needsreview`` selects "Needs Review" revisions in a + stack up to D9. + + If --stack is given, follow dependencies information and read all patches. + It is equivalent to the ``:`` operator. + """ + if opts.get(b'stack'): + spec = b':(%s)' % spec + drevs = querydrev(repo, spec) + readpatch(repo, drevs, ui.write) + +@vcrcommand(b'phabupdate', + [(b'', b'accept', False, _(b'accept revisions')), + (b'', b'reject', False, _(b'reject revisions')), + (b'', b'abandon', False, _(b'abandon revisions')), + (b'', b'reclaim', False, _(b'reclaim revisions')), + (b'm', b'comment', b'', _(b'comment on the last revision')), + ], _(b'DREVSPEC [OPTIONS]')) +def phabupdate(ui, repo, spec, **opts): + """update Differential Revision in batch + + DREVSPEC selects revisions. See :hg:`help phabread` for its usage. + """ + flags = [n for n in b'accept reject abandon reclaim'.split() if opts.get(n)] + if len(flags) > 1: + raise error.Abort(_(b'%s cannot be used together') % b', '.join(flags)) + + actions = [] + for f in flags: + actions.append({b'type': f, b'value': b'true'}) + + drevs = querydrev(repo, spec) + for i, drev in enumerate(drevs): + if i + 1 == len(drevs) and opts.get(b'comment'): + actions.append({b'type': b'comment', b'value': opts[b'comment']}) + if actions: + params = {b'objectIdentifier': drev[r'phid'], + b'transactions': actions} + callconduit(repo, b'differential.revision.edit', params) + +templatekeyword = registrar.templatekeyword() + +@templatekeyword(b'phabreview', requires={b'ctx'}) +def template_review(context, mapping): + """:phabreview: Object describing the review for this changeset. + Has attributes `url` and `id`. + """ + ctx = context.resource(mapping, b'ctx') + m = _differentialrevisiondescre.search(ctx.description()) + if m: + return { + b'url': m.group(b'url'), + b'id': b"D{}".format(m.group(b'id')), + }
--- a/tests/test-check-help.t Sat Sep 15 00:50:21 2018 -0400 +++ b/tests/test-check-help.t Sat Sep 15 00:46:17 2018 -0400 @@ -26,4 +26,4 @@ $ testrepohg files 'glob:{hgdemandimport,hgext,mercurial}/**/*.py' \ > | sed 's|\\|/|g' \ > | xargs $PYTHON "$TESTTMP/scanhelptopics.py" \ - > | xargs -n1 hg help > /dev/null + > | xargs -n1 hg help --config extensions.phabricator= > /dev/null