From 8ba74bfd7c7e11454a15ed6360777e702c438846 Mon Sep 17 00:00:00 2001 From: Junio C Hamano Date: Fri, 2 Jun 2017 11:34:15 +0900 Subject: diff-tree: update stale in-code comments Signed-off-by: Junio C Hamano diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c index 12b683d..094e8de 100644 --- a/builtin/diff-tree.c +++ b/builtin/diff-tree.c @@ -127,9 +127,11 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) } /* - * NOTE! We expect "a ^b" to be equal to "a..b", so we - * reverse the order of the objects if the second one - * is marked UNINTERESTING. + * NOTE! We expect "a..b" to expand to "^a b" but it is + * perfectly valid for revision range parser to yield "b ^a", + * which means the same thing. If we get the latter, i.e. the + * second one is marked UNINTERESTING, we recover the original + * order the user gave, i.e. "a..b", by swapping the trees. */ nr_sha1 = opt->pending.nr; switch (nr_sha1) { -- cgit v0.10.2-6-g49f6