On Tue, Jun 01, 2010 at 06:07:06PM +0200, Matthieu Moy wrote:
> After thinking about it, I think a mix of these solutions would be
> OK:
>
> git cat-file --textconv <blob-sha1> # Run textconv on blob
This wouldn't work. The textconv is defined by the diff driver, which is
associated with a pathname, not a blob. You don't have a pathname here
(and in fact the same blob could potentially even be represented by
different textconvs if it appeared in different contexts).
> git cat-file --textconv <tree-sha1>:<filename> # Run textconv on file
> # (in object database)
This could work in theory, but will not be as easy to implement as you
hope. The code to parse <tree-ish>:<filename> will give you only a blob
sha1, and you will have to look up the tree manually (which you will
have to split at the ":" manually, remembering that it may be as complex
as "HEAD@{12:00 yesterday}:foo.c", then check the diff attr manually for
that filename.
It would be nice if there was some way in the get_sha1* functions to
save some context, like tree context and filename. This would be helpful
for something like "git show HEAD:foo.txt", which probably should be
respecting autocrlf and smudge/clean filters.
> git cat-file --textconv ./<filename> # Run textconv on file
> # (in worktree)
FWIW, I think this combination is the best of the possible syntaxes
outlined in the original mail.
-Peff
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