Mercurial > hg
view tests/test-bundle2-pushback.t @ 34857:84c6b9384d6a
log: add -L/--line-range option to follow file history by line range
We add an experimental -L/--line-range option to 'hg log' taking file patterns
along with a line range using the (new) FILE,FROMLINE-TOLINE syntax where FILE
may be a pattern (matching exactly one file). The resulting history is similar
to what the "followlines" revset except that, if --patch is specified,
only diff hunks within specified line range are shown.
Basically, this brings the CLI on par with what currently only exists in hgweb
through line selection in "file" and "annotate" views resulting in a file log
with filtered patch to only display followed line range.
The option may be specified multiple times and can be combined with --rev and
regular file patterns to further restrict revisions. Usage of this option
requires --follow; revisions are shown in descending order and renames are
followed. Only the --graph option is currently not supported.
The UI is the result of a consensus from review feedback at:
https://www.mercurial-scm.org/pipermail/mercurial-devel/2017-October/106749.html
The implementation spreads between commands.log() and cmdutil module.
In commands.log(), the main loop may now use a "hunksfilter" factory (similar
to "filematcher") that, for a given "rev", produces a filtering function
for diff hunks for a given file context object.
The logic to build revisions from -L/--line-range options lives in
cmdutil.getloglinerangerevs() which produces "revs", "filematcher" and
"hunksfilter" information. Revisions obtained by following files' line range
are filtered if they do not match the revset specified by --rev option. If
regular FILE arguments are passed along with -L options, both filematchers are
combined into a new matcher.
.. feature::
Add an experimental -L/--line-range FILE,FROMLINE-TOLINE option to 'hg log'
command to follow the history of files by line range. In combination with
-p/--patch option, only diff hunks within specified line range will be
displayed. Feedback, especially on UX aspects, is welcome.
author | Denis Laxalde <denis.laxalde@logilab.fr> |
---|---|
date | Tue, 17 Oct 2017 21:15:31 +0200 |
parents | 0124cf4af3b7 |
children | 1ee1a42bfdae |
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$ cat > bundle2.py << EOF > """A small extension to test bundle2 pushback parts. > Current bundle2 implementation doesn't provide a way to generate those > parts, so they must be created by extensions. > """ > from __future__ import absolute_import > from mercurial import bundle2, exchange, pushkey, util > def _newhandlechangegroup(op, inpart): > """This function wraps the changegroup part handler for getbundle. > It issues an additional pushkey part to send a new > bookmark back to the client""" > result = bundle2.handlechangegroup(op, inpart) > if 'pushback' in op.reply.capabilities: > params = {'namespace': 'bookmarks', > 'key': 'new-server-mark', > 'old': '', > 'new': 'tip'} > encodedparams = [(k, pushkey.encode(v)) for (k,v) in params.items()] > op.reply.newpart('pushkey', mandatoryparams=encodedparams) > else: > op.reply.newpart('output', data='pushback not enabled') > return result > _newhandlechangegroup.params = bundle2.handlechangegroup.params > bundle2.parthandlermapping['changegroup'] = _newhandlechangegroup > EOF $ cat >> $HGRCPATH <<EOF > [ui] > ssh = $PYTHON "$TESTDIR/dummyssh" > username = nobody <no.reply@example.com> > > [alias] > tglog = log -G -T "{desc} [{phase}:{node|short}]" > EOF Set up server repository $ hg init server $ cd server $ echo c0 > f0 $ hg commit -Am 0 adding f0 Set up client repository $ cd .. $ hg clone ssh://user@dummy/server client -q $ cd client Enable extension $ cat >> $HGRCPATH <<EOF > [extensions] > bundle2=$TESTTMP/bundle2.py > EOF Without config $ cd ../client $ echo c1 > f1 $ hg commit -Am 1 adding f1 $ hg push pushing to ssh://user@dummy/server searching for changes remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 1 changes to 1 files remote: pushback not enabled $ hg bookmark no bookmarks set $ cd ../server $ hg tglog o 1 [public:2b9c7234e035] | @ 0 [public:6cee5c8f3e5b] With config $ cd ../client $ echo '[experimental]' >> .hg/hgrc $ echo 'bundle2.pushback = True' >> .hg/hgrc $ echo c2 > f2 $ hg commit -Am 2 adding f2 $ hg push pushing to ssh://user@dummy/server searching for changes remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 1 changes to 1 files $ hg bookmark new-server-mark 2:0a76dfb2e179 $ cd ../server $ hg tglog o 2 [public:0a76dfb2e179] | o 1 [public:2b9c7234e035] | @ 0 [public:6cee5c8f3e5b]