• Dominik Honnef's avatar
    misc/emacs: Rewrite gofmt to use own function for applying patch instead of using diff-mode. · 77ddbf1f
    Dominik Honnef authored
        Instead of relying on gofmt's diff output (which is a unified
        diff), we manually invoke diff -n and produce an RCS format diff,
        which can easily be parsed in Emacs, with the go--apply-rcs-patch
        function.
    
        This fixes undocumented issues with the old implementation such as
        skipping over hunks of changes, and it fixes the documented issue
        of not being able to handle file names that include whitespace.
    
        It can also apply the patch on a buffer that has no file name
        attached at all.
    
        Last but not least, it greatly simplifies the gofmt function
        itself.
    
    Fixes #4766.
    Fixes #4475.
    
    R=adonovan, cw, patrick.allen.higgins, sameer
    CC=golang-dev
    https://golang.org/cl/7516046
    77ddbf1f
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