author | Gregory Szorc <gregory.szorc@gmail.com> |
Tue, 06 Jan 2015 15:29:02 -0800 | |
changeset 23744 | d1933c2e3c8c |
parent 12083 | ebfc46929f3e |
permissions | -rw-r--r-- |
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Mercurial's default format for showing changes between two versions of |
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a file is compatible with the unified format of GNU diff, which can be |
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used by GNU patch and many other standard tools. |
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While this standard format is often enough, it does not encode the |
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following information: |
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- executable status and other permission bits |
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- copy or rename information |
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- changes in binary files |
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- creation or deletion of empty files |
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Mercurial also supports the extended diff format from the git VCS |
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which addresses these limitations. The git diff format is not produced |
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by default because a few widespread tools still do not understand this |
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format. |
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This means that when generating diffs from a Mercurial repository |
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(e.g. with :hg:`export`), you should be careful about things like file |
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copies and renames or other things mentioned above, because when |
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applying a standard diff to a different repository, this extra |
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information is lost. Mercurial's internal operations (like push and |
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pull) are not affected by this, because they use an internal binary |
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format for communicating changes. |
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To make Mercurial produce the git extended diff format, use the --git |
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option available for many commands, or set 'git = True' in the [diff] |
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section of your configuration file. You do not need to set this option |
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when importing diffs in this format or using them in the mq extension. |