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1 | Mercurial supports a functional language for selecting a set of |
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1 | Mercurial supports a functional language for selecting a set of | |
2 | files. |
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2 | files. | |
3 |
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3 | |||
4 | Like other file patterns, this pattern type is indicated by a prefix, |
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4 | Like other file patterns, this pattern type is indicated by a prefix, | |
5 | 'set:'. The language supports a number of predicates which are joined |
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5 | 'set:'. The language supports a number of predicates which are joined | |
6 | by infix operators. Parenthesis can be used for grouping. |
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6 | by infix operators. Parenthesis can be used for grouping. | |
7 |
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7 | |||
8 | Identifiers such as filenames or patterns must be quoted with single |
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8 | Identifiers such as filenames or patterns must be quoted with single | |
9 | or double quotes if they contain characters outside of |
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9 | or double quotes if they contain characters outside of | |
10 | ``[.*{}[]?/\_a-zA-Z0-9\x80-\xff]`` or if they match one of the |
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10 | ``[.*{}[]?/\_a-zA-Z0-9\x80-\xff]`` or if they match one of the | |
11 | predefined predicates. This generally applies to file patterns other |
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11 | predefined predicates. This generally applies to file patterns other | |
12 | than globs and arguments for predicates. |
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12 | than globs and arguments for predicates. | |
13 |
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13 | |||
14 | Special characters can be used in quoted identifiers by escaping them, |
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14 | Special characters can be used in quoted identifiers by escaping them, | |
15 | e.g., ``\n`` is interpreted as a newline. To prevent them from being |
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15 | e.g., ``\n`` is interpreted as a newline. To prevent them from being | |
16 | interpreted, strings can be prefixed with ``r``, e.g. ``r'...'``. |
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16 | interpreted, strings can be prefixed with ``r``, e.g. ``r'...'``. | |
17 |
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17 | |||
18 | There is a single prefix operator: |
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18 | There is a single prefix operator: | |
19 |
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19 | |||
20 | ``not x`` |
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20 | ``not x`` | |
21 | Files not in x. Short form is ``! x``. |
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21 | Files not in x. Short form is ``! x``. | |
22 |
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22 | |||
23 | These are the supported infix operators: |
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23 | These are the supported infix operators: | |
24 |
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24 | |||
25 | ``x and y`` |
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25 | ``x and y`` | |
26 | The intersection of files in x and y. Short form is ``x & y``. |
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26 | The intersection of files in x and y. Short form is ``x & y``. | |
27 |
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27 | |||
28 | ``x or y`` |
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28 | ``x or y`` | |
29 | The union of files in x and y. There are two alternative short |
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29 | The union of files in x and y. There are two alternative short | |
30 | forms: ``x | y`` and ``x + y``. |
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30 | forms: ``x | y`` and ``x + y``. | |
31 |
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31 | |||
32 | ``x - y`` |
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32 | ``x - y`` | |
33 | Files in x but not in y. |
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33 | Files in x but not in y. | |
34 |
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34 | |||
35 | The following predicates are supported: |
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35 | The following predicates are supported: | |
36 |
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36 | |||
37 | .. predicatesmarker |
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37 | .. predicatesmarker | |
38 |
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38 | |||
39 | Some sample queries: |
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39 | Some sample queries: | |
40 |
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40 | |||
41 | - Show status of files that appear to be binary in the working directory:: |
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41 | - Show status of files that appear to be binary in the working directory:: | |
42 |
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42 | |||
43 | hg status -A "set:binary()" |
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43 | hg status -A "set:binary()" | |
44 |
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44 | |||
45 | - Forget files that are in .hgignore but are already tracked:: |
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45 | - Forget files that are in .hgignore but are already tracked:: | |
46 |
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46 | |||
47 | hg forget "set:hgignore() and not ignored()" |
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47 | hg forget "set:hgignore() and not ignored()" | |
48 |
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48 | |||
49 | - Find text files that contain a string:: |
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49 | - Find text files that contain a string:: | |
50 |
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50 | |||
51 | hg locate "set:grep(magic) and not binary()" |
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51 | hg locate "set:grep(magic) and not binary()" | |
52 |
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52 | |||
53 | - Find C files in a non-standard encoding:: |
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53 | - Find C files in a non-standard encoding:: | |
54 |
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54 | |||
55 | hg locate "set:**.c and not encoding(ascii)" |
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55 | hg locate "set:**.c and not encoding(ascii)" | |
56 |
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56 | |||
57 | - Revert copies of large binary files:: |
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57 | - Revert copies of large binary files:: | |
58 |
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58 | |||
59 | hg revert "set:copied() and binary() and size('>1M')" |
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59 | hg revert "set:copied() and binary() and size('>1M')" | |
60 |
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60 | |||
61 |
- Remove files listed in f |
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61 | - Remove files listed in foo.lst that contain the letter a or b:: | |
62 |
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62 | |||
63 | hg remove "set: 'listfile:foo.lst' and (**a* or **b*)" |
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63 | hg remove "set: 'listfile:foo.lst' and (**a* or **b*)" | |
64 |
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64 | |||
65 | See also :hg:`help patterns`. |
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65 | See also :hg:`help patterns`. |
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