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authorLibravatar Jeff King <peff@peff.net>2012-02-24 17:05:03 -0500
committerLibravatar Junio C Hamano <gitster@pobox.com>2012-02-24 14:12:19 -0800
commit4c3b57b98bccfdb740b8f1d0ca574dd51deacfad (patch)
tree30c26917c01a0cedd3e70b9eb5856206b52c95ec /t/t9601
parentteach convert_to_git a "dry run" mode (diff)
downloadtgif-4c3b57b98bccfdb740b8f1d0ca574dd51deacfad.tar.xz
teach dry-run convert_to_git not to require a src buffer
When we call convert_to_git in dry-run mode, it may still want to look at the source buffer, because some CRLF conversion modes depend on analyzing the source to determine whether it is in fact convertible CRLF text. However, the main motivation for convert_to_git's dry-run mode is that we would decide which method to use to acquire the blob's data (streaming versus in-core). Requiring this source analysis creates a chicken-and-egg problem. We are better off simply guessing that anything we can't analyze will end up needing conversion. This patch lets a caller specify a NULL src buffer when using dry-run mode (and only dry-run mode). A non-zero return value goes from "we would convert" to "we might convert"; a zero return value remains "we would definitely not convert". Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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