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Having an empty line before each delimited sections is not required by asciidoc, but it is a safety measure that prevents generating malformed asciidoc when generating translated documentation. When a delimited section appears just after a paragraph, the asciidoc processor checks that the length of the delimited section header is different from the length of the paragraph. If it is not, the asciidoc processor will generate a title. In the original English documentation, this is not a problem because the authors always check the output of the asciidoc processor and fix the length of the delimited section header if it turns out to be the same as the paragraph length. However, this is not the case for translations, where the authors have no way to check the length of the delimited section header or the output of the asciidoc processor. This can lead to a section title that is not intended. Indeed, this test also checks that titles are correctly formed, that is, the length of the underline is equal to the length of the title (otherwise it would not be a title but a section header). Finally, this test checks that the delimited section are terminated within the same file. Signed-off-by: Jean-Noël Avila <jn.avila@free.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
204 lines
6.9 KiB
Plaintext
204 lines
6.9 KiB
Plaintext
Description
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^^^^^^^^^^^
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When specifying `--tool=vimdiff` in `git mergetool` Git will open Vim with a 4
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windows layout distributed in the following way:
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....
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------------------------------------------
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| LOCAL | BASE | REMOTE |
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------------------------------------------
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| MERGED |
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------------------------------------------
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....
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`LOCAL`, `BASE` and `REMOTE` are read-only buffers showing the contents of the
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conflicting file in specific commits ("commit you are merging into", "common
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ancestor commit" and "commit you are merging from" respectively)
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`MERGED` is a writable buffer where you have to resolve the conflicts (using the
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other read-only buffers as a reference). Once you are done, save and exit Vim as
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usual (`:wq`) or, if you want to abort, exit using `:cq`.
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Layout configuration
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^^^^^^^^^^^^^^^^^^^^
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You can change the windows layout used by Vim by setting configuration variable
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`mergetool.vimdiff.layout` which accepts a string where the following separators
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have special meaning:
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- `+` is used to "open a new tab"
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- `,` is used to "open a new vertical split"
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- `/` is used to "open a new horizontal split"
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- `@` is used to indicate the file containing the final version after
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solving the conflicts. If not present, `MERGED` will be used by default.
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The precedence of the operators is as follows (you can use parentheses to change
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it):
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`@` > `+` > `/` > `,`
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Let's see some examples to understand how it works:
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* `layout = "(LOCAL,BASE,REMOTE)/MERGED"`
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+
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--
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This is exactly the same as the default layout we have already seen.
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Note that `/` has precedence over `,` and thus the parenthesis are not
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needed in this case. The next layout definition is equivalent:
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layout = "LOCAL,BASE,REMOTE / MERGED"
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--
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* `layout = "LOCAL,MERGED,REMOTE"`
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+
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--
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If, for some reason, we are not interested in the `BASE` buffer.
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....
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------------------------------------------
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| LOCAL | MERGED | REMOTE |
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------------------------------------------
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....
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--
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* `layout = "MERGED"`
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+
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--
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Only the `MERGED` buffer will be shown. Note, however, that all the other
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ones are still loaded in vim, and you can access them with the "buffers"
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command.
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....
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------------------------------------------
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| MERGED |
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------------------------------------------
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....
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--
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* `layout = "@LOCAL,REMOTE"`
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+
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--
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When `MERGED` is not present in the layout, you must "mark" one of the
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buffers with an arobase (`@`). That will become the buffer you need to edit and
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save after resolving the conflicts.
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....
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------------------------------------------
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| LOCAL | REMOTE |
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------------------------------------------
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....
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--
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* `layout = "LOCAL,BASE,REMOTE / MERGED + BASE,LOCAL + BASE,REMOTE"`
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+
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--
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Three tabs will open: the first one is a copy of the default layout, while
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the other two only show the differences between (`BASE` and `LOCAL`) and
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(`BASE` and `REMOTE`) respectively.
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....
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------------------------------------------
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| <TAB #1> | TAB #2 | TAB #3 | |
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------------------------------------------
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| LOCAL | BASE | REMOTE |
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------------------------------------------
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| MERGED |
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------------------------------------------
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....
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....
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------------------------------------------
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| TAB #1 | <TAB #2> | TAB #3 | |
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------------------------------------------
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| BASE | LOCAL |
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------------------------------------------
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....
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....
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------------------------------------------
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| TAB #1 | TAB #2 | <TAB #3> | |
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------------------------------------------
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| BASE | REMOTE |
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------------------------------------------
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....
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--
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* `layout = "LOCAL,BASE,REMOTE / MERGED + BASE,LOCAL + BASE,REMOTE + (LOCAL/BASE/REMOTE),MERGED"`
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+
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--
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Same as the previous example, but adds a fourth tab with the same
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information as the first tab, with a different layout.
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....
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---------------------------------------------
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| TAB #1 | TAB #2 | TAB #3 | <TAB #4> |
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---------------------------------------------
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| LOCAL | |
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|---------------------| |
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| BASE | MERGED |
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|---------------------| |
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| REMOTE | |
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---------------------------------------------
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....
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Note how in the third tab definition we need to use parentheses to make `,`
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have precedence over `/`.
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--
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Variants
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^^^^^^^^
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Instead of `--tool=vimdiff`, you can also use one of these other variants:
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* `--tool=gvimdiff`, to open gVim instead of Vim.
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* `--tool=nvimdiff`, to open Neovim instead of Vim.
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When using these variants, in order to specify a custom layout you will have to
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set configuration variables `mergetool.gvimdiff.layout` and
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`mergetool.nvimdiff.layout` instead of `mergetool.vimdiff.layout` (though the
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latter will be used as fallback if the variant-specific one is not set).
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In addition, for backwards compatibility with previous Git versions, you can
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also append `1`, `2` or `3` to either `vimdiff` or any of the variants (ex:
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`vimdiff3`, `nvimdiff1`, etc...) to use a predefined layout.
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In other words, using `--tool=[g|n]vimdiff<x>` is the same as using
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`--tool=[g|n]vimdiff` and setting configuration variable
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`mergetool.[g|n]vimdiff.layout` to...
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* `<x>=1`: `"@LOCAL, REMOTE"`
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* `<x>=2`: `"LOCAL, MERGED, REMOTE"`
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* `<x>=3`: `"MERGED"`
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Example: using `--tool=gvimdiff2` will open `gvim` with three columns (`LOCAL`,
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`MERGED` and `REMOTE`).
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