A collection of additional "custom hunk header" patterns for .gitattributes. This provides better context in the diff hunk header.

attributes

*.tex   diff=tex
*.bib   diff=bibtex
*.c     diff=cpp
*.h     diff=cpp
*.c++   diff=cpp
*.h++   diff=cpp
*.cpp   diff=cpp
*.hpp   diff=cpp
*.cc    diff=cpp
*.hh    diff=cpp
*.m     diff=matlab
*.py    diff=python
*.rb    diff=ruby
*.php   diff=php
*.pl    diff=perl
*.html  diff=html
*.xhtml diff=html
*.f     diff=fortran

*.lisp  diff=lisp
*.el    diff=lisp
*.r     diff=rstats
*.texi* diff=texinfo
*.org   diff=orgmode
*.rs    diff=rust

*.pdf   diff=pdf
*.png   diff=exif
*.jpg   diff=exif
*.jpeg  diff=exif
*.gif   diff=exif

config

[diff "lisp"]
      xfuncname = "^(\\(.*)$"
#      xfuncname = "^(\\((cl-)?def(un|macro|method).*)$"
[diff "rstats"]
      xfuncname = "^([a-zA-z.]+ <- function.*)$"
[diff "texinfo"]
# from http://git.savannah.gnu.org/gitweb/?p=coreutils.git;a=blob;f=.gitattributes;h=c3b2926c78c939d94358cc63d051a70d38cfea5d;hb=HEAD
      xfuncname = "^@node[ \t][ \t]*\\([^,][^,]*\\)"
[diff "orgmode"]
      xfuncname = "^(\\*+.*)$"
#[diff "css"]
#      xfuncname = "^([a-zA-Z#.@][^\\}]*)$"
#      xfuncname = "^(.*\\{)$"
[diff "rust"] # Thanks to csabahenk
      xfuncname = "^[ \t]*(pub|)[ \t]*((fn|struct|enum|impl|trait|mod)[^;]*)$"
[diff "exif"]
      binary = true
# sudo apt-get install libimage-exiftool-perl
      textconv = exiftool
[diff "pdf"]
      textconv = pdftotext-stdout
# sudo apt-get install pdftotext
# copy the following to a script pdftotext-stdout somehwere in $PATH
#  #!/bin/bash
#  pdftotext "$@" -

I am searching for patterns for haskell or nix. Can anyone help?