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# patchbomb.py - sending Mercurial changesets as patch emails
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#
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# Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2, incorporated herein by reference.
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'''command to send changesets as (a series of) patch emails
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The series is started off with a "[PATCH 0 of N]" introduction, which
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describes the series as a whole.
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Each patch email has a Subject line of "[PATCH M of N] ...", using the first
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line of the changeset description as the subject text. The message contains
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two or three body parts:
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The changeset description.
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[Optional] The result of running diffstat on the patch.
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The patch itself, as generated by "hg export".
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Each message refers to the first in the series using the In-Reply-To and
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References headers, so they will show up as a sequence in threaded mail and
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news readers, and in mail archives.
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With the -d/--diffstat option, you will be prompted for each changeset with a
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diffstat summary and the changeset summary, so you can be sure you are sending
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the right changes.
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To configure other defaults, add a section like this to your hgrc file:
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[email]
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from = My Name <my@email>
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to = recipient1, recipient2, ...
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cc = cc1, cc2, ...
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bcc = bcc1, bcc2, ...
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Then you can use the "hg email" command to mail a series of changesets as a
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patchbomb.
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To avoid sending patches prematurely, it is a good idea to first run the
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"email" command with the "-n" option (test only). You will be prompted for an
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email recipient address, a subject and an introductory message describing the
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patches of your patchbomb. Then when all is done, patchbomb messages are
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displayed. If the PAGER environment variable is set, your pager will be fired
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up once for each patchbomb message, so you can verify everything is alright.
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The -m/--mbox option is also very useful. Instead of previewing each patchbomb
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message in a pager or sending the messages directly, it will create a UNIX
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mailbox file with the patch emails. This mailbox file can be previewed with
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any mail user agent which supports UNIX mbox files, e.g. with mutt:
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% mutt -R -f mbox
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When you are previewing the patchbomb messages, you can use `formail' (a
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utility that is commonly installed as part of the procmail package), to send
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each message out:
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% formail -s sendmail -bm -t < mbox
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That should be all. Now your patchbomb is on its way out.
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You can also either configure the method option in the email section to be a
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sendmail compatible mailer or fill out the [smtp] section so that the
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patchbomb extension can automatically send patchbombs directly from the
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commandline. See the [email] and [smtp] sections in hgrc(5) for details.
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'''
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import os, errno, socket, tempfile, cStringIO, time
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import email.MIMEMultipart, email.MIMEBase
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import email.Utils, email.Encoders, email.Generator
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from mercurial import cmdutil, commands, hg, mail, patch, util
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from mercurial.i18n import _
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from mercurial.node import bin
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def prompt(ui, prompt, default=None, rest=': ', empty_ok=False):
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if not ui.interactive():
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return default
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if default:
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prompt += ' [%s]' % default
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prompt += rest
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while True:
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r = ui.prompt(prompt, default=default)
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if r:
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return r
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if default is not None:
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return default
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if empty_ok:
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return r
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ui.warn(_('Please enter a valid value.\n'))
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def cdiffstat(ui, summary, patchlines):
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s = patch.diffstat(patchlines)
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if summary:
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ui.write(summary, '\n')
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ui.write(s, '\n')
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ans = prompt(ui, _('does the diffstat above look okay? '), 'y')
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if not ans.lower().startswith('y'):
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raise util.Abort(_('diffstat rejected'))
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return s
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def makepatch(ui, repo, patch, opts, _charsets, idx, total, patchname=None):
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desc = []
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node = None
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body = ''
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for line in patch:
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if line.startswith('#'):
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if line.startswith('# Node ID'):
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node = line.split()[-1]
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continue
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if line.startswith('diff -r') or line.startswith('diff --git'):
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break
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desc.append(line)
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if not patchname and not node:
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raise ValueError
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if opts.get('attach'):
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body = ('\n'.join(desc[1:]).strip() or
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'Patch subject is complete summary.')
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body += '\n\n\n'
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if opts.get('plain'):
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while patch and patch[0].startswith('# '):
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patch.pop(0)
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if patch:
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patch.pop(0)
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while patch and not patch[0].strip():
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patch.pop(0)
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if opts.get('diffstat'):
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body += cdiffstat(ui, '\n'.join(desc), patch) + '\n\n'
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if opts.get('attach') or opts.get('inline'):
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msg = email.MIMEMultipart.MIMEMultipart()
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if body:
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msg.attach(mail.mimeencode(ui, body, _charsets, opts.get('test')))
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p = mail.mimetextpatch('\n'.join(patch), 'x-patch', opts.get('test'))
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binnode = bin(node)
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# if node is mq patch, it will have the patch file's name as a tag
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if not patchname:
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patchtags = [t for t in repo.nodetags(binnode)
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if t.endswith('.patch') or t.endswith('.diff')]
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if patchtags:
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patchname = patchtags[0]
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elif total > 1:
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patchname = cmdutil.make_filename(repo, '%b-%n.patch',
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binnode, seqno=idx, total=total)
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else:
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patchname = cmdutil.make_filename(repo, '%b.patch', binnode)
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disposition = 'inline'
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if opts.get('attach'):
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disposition = 'attachment'
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p['Content-Disposition'] = disposition + '; filename=' + patchname
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msg.attach(p)
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else:
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body += '\n'.join(patch)
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msg = mail.mimetextpatch(body, display=opts.get('test'))
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subj = desc[0].strip().rstrip('. ')
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if total == 1 and not opts.get('intro'):
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subj = '[PATCH] ' + (opts.get('subject') or subj)
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else:
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tlen = len(str(total))
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subj = '[PATCH %0*d of %d] %s' % (tlen, idx, total, subj)
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msg['Subject'] = mail.headencode(ui, subj, _charsets, opts.get('test'))
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msg['X-Mercurial-Node'] = node
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return msg, subj
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def patchbomb(ui, repo, *revs, **opts):
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'''send changesets by email
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By default, diffs are sent in the format generated by hg export, one per
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message. The series starts with a "[PATCH 0 of N]" introduction, which
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describes the series as a whole.
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Each patch email has a Subject line of "[PATCH M of N] ...", using the
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first line of the changeset description as the subject text. The message
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contains two or three parts. First, the changeset description. Next,
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(optionally) if the diffstat program is installed and -d/--diffstat is
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used, the result of running diffstat on the patch. Finally, the patch
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itself, as generated by "hg export".
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By default the patch is included as text in the email body for easy
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reviewing. Using the -a/--attach option will instead create an attachment
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for the patch. With -i/--inline an inline attachment will be created.
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With -o/--outgoing, emails will be generated for patches not found in the
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destination repository (or only those which are ancestors of the specified
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revisions if any are provided)
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With -b/--bundle, changesets are selected as for --outgoing, but a single
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email containing a binary Mercurial bundle as an attachment will be sent.
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Examples:
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hg email -r 3000 # send patch 3000 only
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hg email -r 3000 -r 3001 # send patches 3000 and 3001
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hg email -r 3000:3005 # send patches 3000 through 3005
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hg email 3000 # send patch 3000 (deprecated)
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hg email -o # send all patches not in default
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hg email -o DEST # send all patches not in DEST
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hg email -o -r 3000 # send all ancestors of 3000 not in default
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hg email -o -r 3000 DEST # send all ancestors of 3000 not in DEST
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hg email -b # send bundle of all patches not in default
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hg email -b DEST # send bundle of all patches not in DEST
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hg email -b -r 3000 # bundle of all ancestors of 3000 not in default
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hg email -b -r 3000 DEST # bundle of all ancestors of 3000 not in DEST
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Before using this command, you will need to enable email in your hgrc. See
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the [email] section in hgrc(5) for details.
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'''
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_charsets = mail._charsets(ui)
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def outgoing(dest, revs):
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'''Return the revisions present locally but not in dest'''
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dest = ui.expandpath(dest or 'default-push', dest or 'default')
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revs = [repo.lookup(rev) for rev in revs]
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other = hg.repository(cmdutil.remoteui(repo, opts), dest)
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ui.status(_('comparing with %s\n') % dest)
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o = repo.findoutgoing(other)
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if not o:
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ui.status(_("no changes found\n"))
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return []
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o = repo.changelog.nodesbetween(o, revs or None)[0]
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return [str(repo.changelog.rev(r)) for r in o]
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def getpatches(revs):
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for r in cmdutil.revrange(repo, revs):
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output = cStringIO.StringIO()
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patch.export(repo, [r], fp=output,
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opts=patch.diffopts(ui, opts))
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yield output.getvalue().split('\n')
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def getbundle(dest):
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tmpdir = tempfile.mkdtemp(prefix='hg-email-bundle-')
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tmpfn = os.path.join(tmpdir, 'bundle')
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try:
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commands.bundle(ui, repo, tmpfn, dest, **opts)
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return open(tmpfn, 'rb').read()
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finally:
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try:
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os.unlink(tmpfn)
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except:
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pass
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os.rmdir(tmpdir)
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if not (opts.get('test') or opts.get('mbox')):
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# really sending
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mail.validateconfig(ui)
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if not (revs or opts.get('rev')
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or opts.get('outgoing') or opts.get('bundle')
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or opts.get('patches')):
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raise util.Abort(_('specify at least one changeset with -r or -o'))
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if opts.get('outgoing') and opts.get('bundle'):
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raise util.Abort(_("--outgoing mode always on with --bundle;"
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" do not re-specify --outgoing"))
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if opts.get('outgoing') or opts.get('bundle'):
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if len(revs) > 1:
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raise util.Abort(_("too many destinations"))
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dest = revs and revs[0] or None
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revs = []
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if opts.get('rev'):
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if revs:
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raise util.Abort(_('use only one form to specify the revision'))
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revs = opts.get('rev')
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if opts.get('outgoing'):
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revs = outgoing(dest, opts.get('rev'))
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if opts.get('bundle'):
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opts['revs'] = revs
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# start
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if opts.get('date'):
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start_time = util.parsedate(opts.get('date'))
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else:
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start_time = util.makedate()
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def genmsgid(id):
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return '<%s.%s@%s>' % (id[:20], int(start_time[0]), socket.getfqdn())
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def getdescription(body, sender):
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if opts.get('desc'):
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body = open(opts.get('desc')).read()
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else:
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ui.write(_('\nWrite the introductory message for the '
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'patch series.\n\n'))
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body = ui.edit(body, sender)
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return body
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def getpatchmsgs(patches, patchnames=None):
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jumbo = []
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msgs = []
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ui.write(_('This patch series consists of %d patches.\n\n')
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% len(patches))
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name = None
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for i, p in enumerate(patches):
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jumbo.extend(p)
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if patchnames:
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name = patchnames[i]
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msg = makepatch(ui, repo, p, opts, _charsets, i + 1,
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len(patches), name)
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msgs.append(msg)
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if len(patches) > 1 or opts.get('intro'):
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tlen = len(str(len(patches)))
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subj = '[PATCH %0*d of %d] %s' % (
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tlen, 0, len(patches),
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opts.get('subject') or
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prompt(ui, 'Subject:',
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rest=' [PATCH %0*d of %d] ' % (tlen, 0, len(patches))))
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body = ''
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if opts.get('diffstat'):
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d = cdiffstat(ui, _('Final summary:\n'), jumbo)
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if d:
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body = '\n' + d
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body = getdescription(body, sender)
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msg = mail.mimeencode(ui, body, _charsets, opts.get('test'))
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msg['Subject'] = mail.headencode(ui, subj, _charsets,
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opts.get('test'))
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msgs.insert(0, (msg, subj))
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return msgs
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def getbundlemsgs(bundle):
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subj = (opts.get('subject')
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or prompt(ui, 'Subject:', 'A bundle for your repository'))
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body = getdescription('', sender)
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msg = email.MIMEMultipart.MIMEMultipart()
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if body:
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msg.attach(mail.mimeencode(ui, body, _charsets, opts.get('test')))
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datapart = email.MIMEBase.MIMEBase('application', 'x-mercurial-bundle')
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datapart.set_payload(bundle)
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bundlename = '%s.hg' % opts.get('bundlename', 'bundle')
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datapart.add_header('Content-Disposition', 'attachment',
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filename=bundlename)
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email.Encoders.encode_base64(datapart)
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msg.attach(datapart)
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msg['Subject'] = mail.headencode(ui, subj, _charsets, opts.get('test'))
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return [(msg, subj)]
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sender = (opts.get('from') or ui.config('email', 'from') or
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ui.config('patchbomb', 'from') or
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prompt(ui, 'From', ui.username()))
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# internal option used by pbranches
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patches = opts.get('patches')
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if patches:
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msgs = getpatchmsgs(patches, opts.get('patchnames'))
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elif opts.get('bundle'):
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msgs = getbundlemsgs(getbundle(dest))
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else:
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msgs = getpatchmsgs(list(getpatches(revs)))
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def getaddrs(opt, prpt, default = None):
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addrs = opts.get(opt) or (ui.config('email', opt) or
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ui.config('patchbomb', opt) or
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prompt(ui, prpt, default)).split(',')
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return [mail.addressencode(ui, a.strip(), _charsets, opts.get('test'))
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for a in addrs if a.strip()]
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to = getaddrs('to', 'To')
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cc = getaddrs('cc', 'Cc', '')
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bcc = opts.get('bcc') or (ui.config('email', 'bcc') or
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ui.config('patchbomb', 'bcc') or '').split(',')
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bcc = [mail.addressencode(ui, a.strip(), _charsets, opts.get('test'))
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for a in bcc if a.strip()]
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ui.write('\n')
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parent = opts.get('in_reply_to') or None
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# angle brackets may be omitted, they're not semantically part of the msg-id
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if parent is not None:
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if not parent.startswith('<'):
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parent = '<' + parent
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if not parent.endswith('>'):
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parent += '>'
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first = True
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sender_addr = email.Utils.parseaddr(sender)[1]
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sender = mail.addressencode(ui, sender, _charsets, opts.get('test'))
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sendmail = None
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for m, subj in msgs:
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try:
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m['Message-Id'] = genmsgid(m['X-Mercurial-Node'])
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except TypeError:
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m['Message-Id'] = genmsgid('patchbomb')
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if parent:
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m['In-Reply-To'] = parent
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m['References'] = parent
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if first:
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parent = m['Message-Id']
|
|
|
first = False
|
|
|
|
|
|
m['User-Agent'] = 'Mercurial-patchbomb/%s' % util.version()
|
|
|
m['Date'] = email.Utils.formatdate(start_time[0], localtime=True)
|
|
|
|
|
|
start_time = (start_time[0] + 1, start_time[1])
|
|
|
m['From'] = sender
|
|
|
m['To'] = ', '.join(to)
|
|
|
if cc:
|
|
|
m['Cc'] = ', '.join(cc)
|
|
|
if bcc:
|
|
|
m['Bcc'] = ', '.join(bcc)
|
|
|
if opts.get('test'):
|
|
|
ui.status(_('Displaying '), subj, ' ...\n')
|
|
|
ui.flush()
|
|
|
if 'PAGER' in os.environ:
|
|
|
fp = util.popen(os.environ['PAGER'], 'w')
|
|
|
else:
|
|
|
fp = ui
|
|
|
generator = email.Generator.Generator(fp, mangle_from_=False)
|
|
|
try:
|
|
|
generator.flatten(m, 0)
|
|
|
fp.write('\n')
|
|
|
except IOError, inst:
|
|
|
if inst.errno != errno.EPIPE:
|
|
|
raise
|
|
|
if fp is not ui:
|
|
|
fp.close()
|
|
|
elif opts.get('mbox'):
|
|
|
ui.status(_('Writing '), subj, ' ...\n')
|
|
|
fp = open(opts.get('mbox'), 'In-Reply-To' in m and 'ab+' or 'wb+')
|
|
|
generator = email.Generator.Generator(fp, mangle_from_=True)
|
|
|
date = time.ctime(start_time[0])
|
|
|
fp.write('From %s %s\n' % (sender_addr, date))
|
|
|
generator.flatten(m, 0)
|
|
|
fp.write('\n\n')
|
|
|
fp.close()
|
|
|
else:
|
|
|
if not sendmail:
|
|
|
sendmail = mail.connect(ui)
|
|
|
ui.status(_('Sending '), subj, ' ...\n')
|
|
|
# Exim does not remove the Bcc field
|
|
|
del m['Bcc']
|
|
|
fp = cStringIO.StringIO()
|
|
|
generator = email.Generator.Generator(fp, mangle_from_=False)
|
|
|
generator.flatten(m, 0)
|
|
|
sendmail(sender, to + bcc + cc, fp.getvalue())
|
|
|
|
|
|
emailopts = [
|
|
|
('a', 'attach', None, _('send patches as attachments')),
|
|
|
('i', 'inline', None, _('send patches as inline attachments')),
|
|
|
('', 'bcc', [], _('email addresses of blind carbon copy recipients')),
|
|
|
('c', 'cc', [], _('email addresses of copy recipients')),
|
|
|
('d', 'diffstat', None, _('add diffstat output to messages')),
|
|
|
('', 'date', '', _('use the given date as the sending date')),
|
|
|
('', 'desc', '', _('use the given file as the series description')),
|
|
|
('f', 'from', '', _('email address of sender')),
|
|
|
('n', 'test', None, _('print messages that would be sent')),
|
|
|
('m', 'mbox', '',
|
|
|
_('write messages to mbox file instead of sending them')),
|
|
|
('s', 'subject', '',
|
|
|
_('subject of first message (intro or single patch)')),
|
|
|
('', 'in-reply-to', '',
|
|
|
_('message identifier to reply to')),
|
|
|
('t', 'to', [], _('email addresses of recipients')),
|
|
|
]
|
|
|
|
|
|
|
|
|
cmdtable = {
|
|
|
"email":
|
|
|
(patchbomb,
|
|
|
[('g', 'git', None, _('use git extended diff format')),
|
|
|
('', 'plain', None, _('omit hg patch header')),
|
|
|
('o', 'outgoing', None,
|
|
|
_('send changes not found in the target repository')),
|
|
|
('b', 'bundle', None,
|
|
|
_('send changes not in target as a binary bundle')),
|
|
|
('', 'bundlename', 'bundle',
|
|
|
_('name of the bundle attachment file')),
|
|
|
('r', 'rev', [], _('a revision to send')),
|
|
|
('', 'force', None,
|
|
|
_('run even when remote repository is unrelated '
|
|
|
'(with -b/--bundle)')),
|
|
|
('', 'base', [],
|
|
|
_('a base changeset to specify instead of a destination '
|
|
|
'(with -b/--bundle)')),
|
|
|
('', 'intro', None,
|
|
|
_('send an introduction email for a single patch')),
|
|
|
] + emailopts + commands.remoteopts,
|
|
|
_('hg email [OPTION]... [DEST]...'))
|
|
|
}
|
|
|
|
