diff-index: pass pathspec down to unpack-trees machinery
And finally, pass the pathspec down through unpack_trees() to traverse_trees() callchain. Before and after applying this series, looking for changes in the kernel repository with a fairly narrow pathspec becomes somewhat faster. (without patch) $ /usr/bin/time git diff --raw v2.6.27 -- net/ipv6 >/dev/null 0.48user 0.05system 0:00.53elapsed 100%CPU (0avgtext+0avgdata 163296maxresident)k 0inputs+952outputs (0major+11163minor)pagefaults 0swaps (with patch) $ /usr/bin/time git diff --raw v2.6.27 -- net/ipv6 >/dev/null 0.01user 0.00system 0:00.02elapsed 104%CPU (0avgtext+0avgdata 43856maxresident)k 0inputs+24outputs (0major+3688minor)pagefaults 0swaps Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano committed
Aug 29, 2011 at 13:34 UTC
2f88c19700feb8db8f116f94bf558e61c82d543c
1 file changed
+1
diff-lib.c
+1
@@ -463,6 +463,7 @@ int run_diff_index(struct rev_info *revs, int cached)
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opts.unpack_data = revs;
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opts.src_index = &the_index;
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opts.dst_index = NULL;
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+ opts.pathspec = &revs->diffopt.pathspec;
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init_tree_desc(&t, tree->buffer, tree->size);
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if (unpack_trees(1, &t, &opts))