Mercurial > hg
annotate mercurial/help/revsets.txt @ 14070:305c97670d7a
revset: add ^ and ~ operators from parentrevspec extension
^ (Nth parent) and ~ (Nth first ancestor) are infix operators that match
certain ancestors of the set:
set^0
the set
set^1 (also available as set^)
the first parent of every changeset in set
set^2
the second parent of every changeset in set
set~0
the set
set~1
the first ancestor (i.e. the first parent) of every changeset in set
set~2
the second ancestor (i.e. first parent of first parent) of every changeset
in set
set~N
the Nth ancestor (following first parents only) of every changeset in set;
set~N is equivalent to set^1^1..., with ^1 repeated N times.
author | Kevin Gessner <kevin@kevingessner.com> |
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date | Sat, 30 Apr 2011 17:43:04 +0200 |
parents | 5f126c01ebfa |
children | 9f5a0acb0056 |
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11382 | 1 Mercurial supports a functional language for selecting a set of |
2 revisions. | |
3 | |
4 The language supports a number of predicates which are joined by infix | |
5 operators. Parenthesis can be used for grouping. | |
6 | |
7 Identifiers such as branch names must be quoted with single or double | |
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8 quotes if they contain characters outside of |
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9 ``[._a-zA-Z0-9\x80-\xff]`` or if they match one of the predefined |
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10 predicates. |
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11 |
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12 Special characters can be used in quoted identifiers by escaping them, |
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13 e.g., ``\n`` is interpreted as a newline. To prevent them from being |
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14 interpreted, strings can be prefixed with ``r``, e.g. ``r'...'``. |
11382 | 15 |
16 There is a single prefix operator: | |
17 | |
18 ``not x`` | |
19 Changesets not in x. Short form is ``! x``. | |
20 | |
21 These are the supported infix operators: | |
22 | |
23 ``x::y`` | |
24 A DAG range, meaning all changesets that are descendants of x and | |
25 ancestors of y, including x and y themselves. If the first endpoint | |
26 is left out, this is equivalent to ``ancestors(y)``, if the second | |
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27 is left out it is equivalent to ``descendants(x)``. |
11382 | 28 |
29 An alternative syntax is ``x..y``. | |
30 | |
31 ``x:y`` | |
32 All changesets with revision numbers between x and y, both | |
33 inclusive. Either endpoint can be left out, they default to 0 and | |
34 tip. | |
35 | |
36 ``x and y`` | |
37 The intersection of changesets in x and y. Short form is ``x & y``. | |
38 | |
39 ``x or y`` | |
40 The union of changesets in x and y. There are two alternative short | |
41 forms: ``x | y`` and ``x + y``. | |
42 | |
43 ``x - y`` | |
44 Changesets in x but not in y. | |
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45 |
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46 ``x^n`` |
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47 The nth parent of x, n == 0, 1, or 2. |
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48 For n == 0, x; for n == 1, the first parent of each changeset in x; |
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49 for n == 2, the second parent of changeset in x. |
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50 |
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51 ``x~n`` |
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52 The nth first ancestor of x; ``x~0`` is x; ``x~3`` is ``x^^^``. |
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53 |
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54 There is a single postfix operator: |
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55 |
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56 ``x^`` |
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57 Equivalent to ``x^1``, the first parent of each changeset in x. |
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58 |
11382 | 59 |
60 The following predicates are supported: | |
61 | |
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62 .. predicatesmarker |
11382 | 63 |
64 Command line equivalents for :hg:`log`:: | |
65 | |
66 -f -> ::. | |
67 -d x -> date(x) | |
68 -k x -> keyword(x) | |
69 -m -> merge() | |
70 -u x -> user(x) | |
71 -b x -> branch(x) | |
72 -P x -> !::x | |
73 -l x -> limit(expr, x) | |
74 | |
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75 Some sample queries: |
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76 |
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77 - Changesets on the default branch:: |
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78 |
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79 hg log -r "branch(default)" |
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80 |
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81 - Changesets on the default branch since tag 1.5 (excluding merges):: |
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82 |
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83 hg log -r "branch(default) and 1.5:: and not merge()" |
11382 | 84 |
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85 - Open branch heads:: |
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86 |
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87 hg log -r "head() and not closed()" |
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88 |
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89 - Changesets between tags 1.3 and 1.5 mentioning "bug" that affect |
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90 ``hgext/*``:: |
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91 |
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92 hg log -r "1.3::1.5 and keyword(bug) and file('hgext/*')" |
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93 |
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94 - Changesets committed in May 2008, sorted by user:: |
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95 |
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96 hg log -r "sort(date('May 2008'), user)" |
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97 |
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98 - Changesets mentioning "bug" or "issue" that are not in a tagged |
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99 release:: |
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100 |
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101 hg log -r "(keyword(bug) or keyword(issue)) and not ancestors(tagged())" |