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treewide: replace maybe_tree with accessor methods

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In anticipation of making trees load lazily, create a Coccinelle
script (contrib/coccinelle/commit.cocci) to ensure that all
references to the 'maybe_tree' member of struct commit are either
mutations or accesses through get_commit_tree() or
get_commit_tree_oid().

Apply the Coccinelle script to create the rest of the patch.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee
2018-04-06 19:09:38 +00:00
committed by Junio C Hamano
parent 5bb03de102
commit 2e27bd7731
23 changed files with 101 additions and 61 deletions
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2
builtin/diff.c
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@ -398,7 +398,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
if (!obj)
die(_("invalid object '%s' given."), name);
if (obj->type == OBJ_COMMIT)
obj = &((struct commit *)obj)->maybe_tree->object;
obj = &get_commit_tree(((struct commit *)obj))->object;
if (obj->type == OBJ_TREE) {
obj->flags |= flags;