二进制文件是好的吗？ [英] Is git good with binary files?

问题描述

如果我有很多未压缩的文件被修改，并且许多压缩文件从未（或几乎从未）被修改，那么git处理好吗？例如，如果我插入或删除中间并在结尾处插入数据，它会注意到它与文本一样吗？

如果git对二进制文件不好，我可以考虑什么工具？

解决方案

• 您可以使用所谓的二进制比较格式将差异发送至二进制文件。这不是人类可读的，只有在您的存储库中具有精确的 preimage时，才能应用它，例如没有任何模糊。例如：

    diff --git a / gitweb / git-favicon.png b / gitweb / git-favicon.png 
   index de637c0608090162a6ce6b51d5f9bfe512cf8bcf..aae35a70e70351fe6dcb3e905e2e388cf0cb0ac3 100 
   GIT二进制补丁
   delta 85 
   zcmZ3& SUf？+ pEJNG＃Pt9J149GD | NsBH {？u> * {Yr {jv * Y ^ lOtGJcy4sCvGS> LGzvuT 
   nGSco！％* slUXkjQ0 + { ·· rZKt $ ^ 5c〜Kn）C u6 {1-oD！M s | Fj6 
   
   delta 135 
   zcmXS3！Z <; to + rR3＃Pt9J149GDe = s< （tr  zjI0MY3OYE5upapO？DR {I1pyyR7cx（jY7y ^ {FfMCvb5IaiQM`NJfeQjFwttKJyJNq @ 
   hveI = @ x = fAo = hV3 $ -MIWu9％ vGSr> mdKI; RB2CICA_GnfDX 
    




• 您可以使用 textconv gitattribute 拥有 git diff show human-readable diff二进制文件或二进制文件的一部分。例如，对于* .jpg文件，它可以在EXIF信息中有所不同，对于PDF文件，它可以在它们的文本表示（pdf2text或类似的东西）之间有所不同。

HTH。

Is git good with binary files?

If I have a lot of uncompressed files being modified, and many compressed files never (or almost never) modified, would git handle it well? For example, if I insert or remove the middle and insert data near the end it will notice it as it does with text?

If git isn't good with binary files, what tool might I consider?

解决方案

In addition to other answers.

• You can send a diff to binary file using so called binary diff format. It is not human-readable, and it can only be applied if you have exact preimage in your repository, i.e. without any fuzz.
  An example:

  diff --git a/gitweb/git-favicon.png b/gitweb/git-favicon.png
  index de637c0608090162a6ce6b51d5f9bfe512cf8bcf..aae35a70e70351fe6dcb3e905e2e388cf0cb0ac3 100
  GIT binary patch
  delta 85
  zcmZ3&SUf?+pEJNG#Pt9J149GD|NsBH{?u>)*{Yr{jv*Y^lOtGJcy4sCvGS>LGzvuT
  nGSco!%*slUXkjQ0+{(x>@rZKt$^5c~Kn)C@u6{1-oD!M<s|Fj6
  
  delta 135
  zcmXS3!Z<;to+rR3#Pt9J149GDe=s<ftM(tr<t*@sEM{Qf76xHPhFNnYfP!|OE{-7;
  zjI0MY3OYE5upapO?DR{I1pyyR7cx(jY7y^{FfMCvb5IaiQM`NJfeQjFwttKJyJNq@
  hveI=@x=fAo=hV3$-MIWu9%vGSr>mdKI;RB2CICA_GnfDX
  

• You can use textconv gitattribute to have git diff show human-readable diff for binary files, or parts of binary files. For example for *.jpg files it can be difference in EXIF information, for PDF files it can be difference between their text representation (pdf2text or something like that).

HTH.

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