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| -rw-r--r-- | Documentation/gitattributes.txt | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt index db16b0ca5b..1993887937 100644 --- a/Documentation/gitattributes.txt +++ b/Documentation/gitattributes.txt @@ -105,9 +105,8 @@ Set:: Unset:: - Unsetting the `crlf` attribute on a path is meant to - mark the path as a "binary" file. The path never goes - through line endings conversion upon checkin/checkout. + Unsetting the `crlf` attribute on a path tells git not to + attempt any end-of-line conversion upon checkin or checkout. Unspecified:: @@ -482,6 +481,41 @@ in the file. E.g. the string `$Format:%H$` will be replaced by the commit hash. +USING ATTRIBUTE MACROS +---------------------- + +You do not want any end-of-line conversions applied to, nor textual diffs +produced for, any binary file you track. You would need to specify e.g. + +------------ +*.jpg -crlf -diff +------------ + +but that may become cumbersome, when you have many attributes. Using +attribute macros, you can specify groups of attributes set or unset at +the same time. The system knows a built-in attribute macro, `binary`: + +------------ +*.jpg binary +------------ + +which is equivalent to the above. Note that the attribute macros can only +be "Set" (see the above example that sets "binary" macro as if it were an +ordinary attribute --- setting it in turn unsets "crlf" and "diff"). + + +DEFINING ATTRIBUTE MACROS +------------------------- + +Custom attribute macros can be defined only in the `.gitattributes` file +at the toplevel (i.e. not in any subdirectory). The built-in attribute +macro "binary" is equivalent to: + +------------ +[attr]binary -diff -crlf +------------ + + EXAMPLE ------- |