checkout: error out when index is unmerged even with -m

Even when -m is given to allow fallilng back to 3-way merge
while switching branches, we should refuse if the original index
is unmerged.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
Acked-by: Daniel Barkalow <barkalow@iabervon.org>
This commit is contained in:
Junio C Hamano 2008-02-23 15:45:19 -08:00
parent 52229a29c7
commit 04c9e11f2c

View File

@ -226,24 +226,25 @@ static int merge_working_tree(struct checkout_opts *opts,
refresh_cache(REFRESH_QUIET);
if (unmerged_cache()) {
ret = opts->merge ? -1 :
error("you need to resolve your current index first");
} else {
topts.update = 1;
topts.merge = 1;
topts.gently = opts->merge;
topts.verbose_update = !opts->quiet;
topts.fn = twoway_merge;
topts.dir = xcalloc(1, sizeof(*topts.dir));
topts.dir->show_ignored = 1;
topts.dir->exclude_per_dir = ".gitignore";
tree = parse_tree_indirect(old->commit->object.sha1);
init_tree_desc(&trees[0], tree->buffer, tree->size);
tree = parse_tree_indirect(new->commit->object.sha1);
init_tree_desc(&trees[1], tree->buffer, tree->size);
ret = unpack_trees(2, trees, &topts);
error("you need to resolve your current index first");
return 1;
}
if (ret) {
/* 2-way merge to the new branch */
topts.update = 1;
topts.merge = 1;
topts.gently = opts->merge;
topts.verbose_update = !opts->quiet;
topts.fn = twoway_merge;
topts.dir = xcalloc(1, sizeof(*topts.dir));
topts.dir->show_ignored = 1;
topts.dir->exclude_per_dir = ".gitignore";
tree = parse_tree_indirect(old->commit->object.sha1);
init_tree_desc(&trees[0], tree->buffer, tree->size);
tree = parse_tree_indirect(new->commit->object.sha1);
init_tree_desc(&trees[1], tree->buffer, tree->size);
if (unpack_trees(2, trees, &topts)) {
/*
* Unpack couldn't do a trivial merge; either
* give up or do a real merge, depending on