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| author | Junio C Hamano <gitster@pobox.com> | 2008-05-28 15:12:30 -0700 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2008-05-29 17:35:21 -0700 |
| commit | 2e2b887d1c2c2385825160e587d711ecb5935ef5 (patch) | |
| tree | 6beed288d6482e1e3857549370c03feeaf7a1215 /unpack-trees.c | |
| parent | 6286a08db3d1e718f4be6959d0f380215026800b (diff) | |
| download | git-2e2b887d1c2c2385825160e587d711ecb5935ef5.tar.gz | |
unpack_trees(): allow callers to differentiate worktree errors from merge errors
Instead of uniformly returning -1 on any error, this teaches
unpack_trees() to return -2 when the merge itself is Ok but worktree
refuses to get updated.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'unpack-trees.c')
| -rw-r--r-- | unpack-trees.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/unpack-trees.c b/unpack-trees.c index 0de5a31c0b..cba0aca062 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -358,8 +358,13 @@ static int unpack_failed(struct unpack_trees_options *o, const char *message) return -1; } +/* + * N-way merge "len" trees. Returns 0 on success, -1 on failure to manipulate the + * resulting index, -2 on failure to reflect the changes to the work tree. + */ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options *o) { + int ret; static struct cache_entry *dfc; if (len > MAX_UNPACK_TREES) @@ -404,11 +409,10 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options return unpack_failed(o, "Merge requires file-level merging"); o->src_index = NULL; - if (check_updates(o)) - return -1; + ret = check_updates(o) ? (-2) : 0; if (o->dst_index) *o->dst_index = o->result; - return 0; + return ret; } /* Here come the merge functions */ |