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Avoid "diff-index --cached" optimization under --find-copies-harder

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When find-copies-harder is in effect, the diff frontends are expected to
feed all paths, not just changed paths, to the diffcore, so that copy
sources can be picked up.  In such a case, not descending into subtrees
using the cache-tree information is simply wrong.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2009-05-22 23:14:25 -07:00
parent b65982b608
commit a0919ced8a
2 changed files with 8 additions and 2 deletions
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5
diff-lib.c
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@ -446,7 +446,8 @@ int run_diff_index(struct rev_info *revs, int cached)
memset(&opts, 0, sizeof(opts));
opts.head_idx = 1;
opts.index_only = cached;
opts.diff_index_cached = cached;
opts.diff_index_cached = (cached &&
!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER));
opts.merge = 1;
opts.fn = oneway_diff;
opts.unpack_data = revs;
@ -503,7 +504,7 @@ int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt)
memset(&opts, 0, sizeof(opts));
opts.head_idx = 1;
opts.index_only = 1;
opts.diff_index_cached = 1;
opts.diff_index_cached = !DIFF_OPT_TST(opt, FIND_COPIES_HARDER);
opts.merge = 1;
opts.fn = oneway_diff;
opts.unpack_data = &revs;