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   dpkg-mergechangelogs    ( 1 )

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Имя (Name)

dpkg-mergechangelogs - 3-way merge of debian/changelog files

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Синопсис (Synopsis)

dpkg-mergechangelogs [option...] old new-a new-b [out]

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Описание (Description)

This program will use the 3 provided versions of the Debian changelog to generate a merged changelog file. The resulting changelog is stored in the file out or output to the standard output if that parameter is not given.

Each entry is identified by its version number and they are assumed to be not conflicting, they are simply merged in the right order (by decreasing version number). When --merge-prereleases is used, the part of the version number after the last tilde is dropped so that 1.0-1~exp1 and 1.0-1~exp5 are considered to be the same entry. When the same version is available in both new-a and new-b, a standard line-based 3-way merge is attempted (provided that the module Algorithm::Merge is available — it's part of the package libalgorithm-merge-perl — otherwise you get a global conflict on the content of the entry).

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Параметры (Options)

-m, --merge-prereleases
              Drop the part after the last tilde in the version number
              when doing version comparison to identify if two entries
              are supposed to be the same or not.

              This is useful when you keep using the same changelog
              entry but you increase its version number regularly. For
              instance, you might have 2.3-1~exp1, 2.3-1~exp2, ... until
              the official release 2.3-1 and they are all the same
              changelog entry that has evolved over time.

       --help Show the usage message and exit.

       --version
              Show the version and exit.

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Окружение (Environment)

DPKG_COLORS Sets the color mode (since dpkg 1.18.5). The currently accepted values are: auto (default), always and never.

DPKG_NLS If set, it will be used to decide whether to activate Native Language Support, also known as internationalization (or i18n) support (since dpkg 1.19.0). The accepted values are: 0 and 1 (default).

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Ограничения (Limitations)

Anything that is not parsed by Dpkg::Changelog is lost during the merge. This might include stuff like comments which were not supposed to be there, etc.

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INTEGRATION WITH GIT

If you want to use this program to merge Debian changelog files in a git repository, you have first to register a new merge driver in .git/config or ~/.gitconfig:

[merge "dpkg-mergechangelogs"] name = debian/changelog merge driver driver = dpkg-mergechangelogs -m %O %A %B %A

Then you have to setup the merge attribute for the debian/changelog file either in .gitattributes in the repository itself, or in .git/info/attributes:

debian/changelog merge=dpkg-mergechangelogs

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