Mercurial > hg
view tests/test-minirst.py @ 50195:11e6eee4b063
transaction: use the standard transaction mechanism to backup branch
Branch is a bit special :
- It currently does not collaborate with the transaction (or any scoping) for
writing (this is bad)
- It can change without the lock being taken (it is protected by `wlock`)
So we rely on the same mechanism as for the backup of the other dirstate file:
- we only do a backup if we hold the wlock
- we force a backup though the transaction
Since "branch" write does not collaborate with the transaction, we cannot back
it up "at the last minute" as we do for the dirstate. We have to back it up
"upfront". Since we have a backup, the transaction is no longer doing its
"quick_abort" and get noisy. Which is quite annoying. To work around this, and
to avoid jumping in yet-another-rabbit-hole of "getting branch written
properly", I am doing horrible things to the transaction in the meantime.
We should be able to get this code go away during the next cycle.
In the meantime, I prefer to take this small stop so that we stop abusing the
"journal" and "undo" mechanism instead of the proper backup mechanism of the
transaction.
Also note that this change regress the warning message for the legacy fallback
introduced in 2008 when issue902 got fixed in dd5a501cb97f (Mercurial 1.0).
I feel like this is fine as issue 902 remains fixed, and this would only affect
people deploying a mix of 15 year old Mercurial and modern mercurial, and using
branch and rollback extensively.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Thu, 23 Feb 2023 15:37:46 +0100 |
parents | 6000f5b25c9b |
children | 805d4a462abb |
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from mercurial import minirst from mercurial.utils import stringutil def debugformat(text, form, **kwargs): blocks, pruned = minirst.parse(text, **kwargs) if form == b'html': print("html format:") out = minirst.format(text, style=form, **kwargs) else: print("%d column format:" % form) out = minirst.format(text, width=form, **kwargs) print("-" * 70) print(out[:-1].decode('utf8')) if kwargs.get('keep'): print("-" * 70) print(stringutil.pprint(pruned).decode('utf8')) print("-" * 70) print() def debugformats(title, text, **kwargs): print("== %s ==" % title) debugformat(text, 60, **kwargs) debugformat(text, 30, **kwargs) debugformat(text, b'html', **kwargs) paragraphs = b""" This is some text in the first paragraph. A small indented paragraph. It is followed by some lines containing random whitespace. \n \n \nThe third and final paragraph. """ debugformats('paragraphs', paragraphs) definitions = b""" A Term Definition. The indented lines make up the definition. Another Term Another definition. The final line in the definition determines the indentation, so this will be indented with four spaces. A Nested/Indented Term Definition. """ debugformats('definitions', definitions) literals = br""" The fully minimized form is the most convenient form:: Hello literal world In the partially minimized form a paragraph simply ends with space-double-colon. :: //////////////////////////////////////// long un-wrapped line in a literal block \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ :: This literal block is started with '::', the so-called expanded form. The paragraph with '::' disappears in the final output. """ debugformats('literals', literals) lists = b""" - This is the first list item. Second paragraph in the first list item. - List items need not be separated by a blank line. - And will be rendered without one in any case. We can have indented lists: - This is an indented list item - Another indented list item:: - A literal block in the middle of an indented list. (The above is not a list item since we are in the literal block.) :: Literal block with no indentation (apart from the two spaces added to all literal blocks). 1. This is an enumerated list (first item). 2. Continuing with the second item. (1) foo (2) bar 1) Another 2) List Line blocks are also a form of list: | This is the first line. The line continues here. | This is the second line. Bullet lists are also detected: * This is the first bullet * This is the second bullet It has 2 lines * This is the third bullet """ debugformats('lists', lists) options = b""" There is support for simple option lists, but only with long options: -X, --exclude filter an option with a short and long option with an argument -I, --include an option with both a short option and a long option --all Output all. --both Output both (this description is quite long). --long Output all day long. --par This option has two paragraphs in its description. This is the first. This is the second. Blank lines may be omitted between options (as above) or left in (as here). The next paragraph looks like an option list, but lacks the two-space marker after the option. It is treated as a normal paragraph: --foo bar baz """ debugformats('options', options) fields = b""" :a: First item. :ab: Second item. Indentation and wrapping is handled automatically. :c\:d: a key with colon :efg\:\:hh: a key with many colon Next list: :small: The larger key below triggers full indentation here. :much too large: This key is big enough to get its own line. """ debugformats('fields', fields) containers = b""" Normal output. .. container:: debug Initial debug output. .. container:: verbose Verbose output. .. container:: debug Debug output. """ debugformats('containers (normal)', containers) debugformats('containers (verbose)', containers, keep=[b'verbose']) debugformats('containers (debug)', containers, keep=[b'debug']) debugformats( 'containers (verbose debug)', containers, keep=[b'verbose', b'debug'] ) roles = b"""Please see :hg:`add`.""" debugformats('roles', roles) sections = b""" Title ===== Section ------- Subsection '''''''''' Markup: ``foo`` and :hg:`help` ------------------------------ """ debugformats('sections', sections) admonitions = b""" .. note:: This is a note - Bullet 1 - Bullet 2 .. warning:: This is a warning Second input line of warning .. danger:: This is danger """ debugformats('admonitions', admonitions) comments = b""" Some text. .. A comment .. An indented comment Some indented text. .. Empty comment above """ debugformats('comments', comments) data = [ [b'a', b'b', b'c'], [b'1', b'2', b'3'], [b'foo', b'bar', b'baz this list is very very very long man'], ] rst = minirst.maketable(data, 2, True) table = b''.join(rst) print(table.decode('utf8')) debugformats('table', table) data = [ [b's', b'long', b'line\ngoes on here'], [b'', b'xy', b'tried to fix here\n by indenting'], ] rst = minirst.maketable(data, 1, False) table = b''.join(rst) print(table.decode('utf8')) debugformats('table+nl', table)