parse_object: try internal cache before reading object db

diff --git a/builtin/merge.c b/builtin/merge.c
index a3cd5e8566af7300703dc925708bce23d6acd7a5..4b0ca6550c130dc8efbf248c56503018b8bcb604 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -49,7 +49,8 @@ static int show_diffstat = 1, shortlog_len = -1, squash;
 static int option_commit = 1, allow_fast_forward = 1;
 static int fast_forward_only, option_edit;
 static int allow_trivial = 1, have_message;
-static struct strbuf merge_msg;
+static int overwrite_ignore = 1;
+static struct strbuf merge_msg = STRBUF_INIT;
 static struct commit_list *remoteheads;
 static struct strategy **use_strategies;
 static size_t use_strategies_nr, use_strategies_alloc;
@@ -208,6 +209,7 @@ static struct option builtin_merge_options[] = {
        OPT_BOOLEAN(0, "abort", &abort_current_merge,
                "abort the current in-progress merge"),
        OPT_SET_INT(0, "progress", &show_progress, "force progress reporting", 1),
+       OPT_BOOLEAN(0, "overwrite-ignore", &overwrite_ignore, "update ignored files (default)"),
        OPT_END()
 };
 
@@ -766,10 +768,12 @@ int checkout_fast_forward(const unsigned char *head, const unsigned char *remote
        memset(&trees, 0, sizeof(trees));
        memset(&opts, 0, sizeof(opts));
        memset(&t, 0, sizeof(t));
-       memset(&dir, 0, sizeof(dir));
-       dir.flags |= DIR_SHOW_IGNORED;
-       setup_standard_excludes(&dir);
-       opts.dir = &dir;
+       if (overwrite_ignore) {
+               memset(&dir, 0, sizeof(dir));
+               dir.flags |= DIR_SHOW_IGNORED;
+               setup_standard_excludes(&dir);
+               opts.dir = &dir;
+       }
 
        opts.head_idx = 1;
        opts.src_index = &the_index;
@@ -906,7 +910,8 @@ static int merge_trivial(struct commit *head)
        parent->next->item = remoteheads->item;
        parent->next->next = NULL;
        prepare_to_commit();
-       commit_tree(merge_msg.buf, result_tree, parent, result_commit, NULL);
+       if (commit_tree(&merge_msg, result_tree, parent, result_commit, NULL))
+               die(_("failed to write commit object"));
        finish(head, result_commit, "In-index merge");
        drop_save();
        return 0;
@@ -937,7 +942,8 @@ static int finish_automerge(struct commit *head,
        strbuf_addch(&merge_msg, '\n');
        prepare_to_commit();
        free_commit_list(remoteheads);
-       commit_tree(merge_msg.buf, result_tree, parents, result_commit, NULL);
+       if (commit_tree(&merge_msg, result_tree, parents, result_commit, NULL))
+               die(_("failed to write commit object"));
        strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy);
        finish(head, result_commit, buf.buf);
        strbuf_release(&buf);