summaryrefslogtreecommitdiff
path: root/builtin/diff-tree.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin/diff-tree.c')
-rw-r--r--builtin/diff-tree.c8
1 files changed, 5 insertions, 3 deletions
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) {