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authorLibravatar Jeff King <peff@peff.net>2017-05-22 16:17:54 +0200
committerLibravatar Junio C Hamano <gitster@pobox.com>2017-05-23 14:29:56 +0900
commitcfe004a5a9e5116d003332a64142b0f73f8f9cdf (patch)
tree9795cac35cac189c9f8de573fbcad3f699fcddcb /t/t4013/diff.diff_--patch-with-raw_-r_initial..side
parentcreate_ref_entry(): remove `check_name` option (diff)
downloadtgif-cfe004a5a9e5116d003332a64142b0f73f8f9cdf.tar.xz
ref-filter: limit traversal to prefix
When we are matching refnames against a pattern, then we know that the beginning of any refname that can match the pattern has to match the part of the pattern up to the first glob character. For example, if the pattern is `refs/heads/foo*bar`, then it can only match a reference that has the prefix `refs/heads/foo`. So pass that prefix to `for_each_fullref_in()`. This lets the ref code avoid passing us the full set of refs, and in some cases avoid reading them in the first place. Note that this applies only when the `match_as_path` flag is set (i.e., when `for-each-ref` is the caller), as the matching rules for git-branch and git-tag are subtly different. This could be generalized to the case of multiple patterns, but (a) it probably doesn't come up that often, and (b) it is more awkward to deal with multiple patterns (e.g., the patterns might not be disjoint). So, since this is just an optimization, punt on the case of multiple patterns. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/t4013/diff.diff_--patch-with-raw_-r_initial..side')
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