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[git.git] / builtin-checkout.c
index 15f0c32c7a7ed62afe31e3bafb2d7306ba4a3402..8a9a474218c128b7878647045ba471df9902636a 100644 (file)
@@ -216,7 +216,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec,
        struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
 
        newfd = hold_locked_index(lock_file, 1);
-       if (read_cache() < 0)
+       if (read_cache_preload(pathspec) < 0)
                return error("corrupt index file");
 
        if (source_tree)
@@ -365,17 +365,14 @@ static int merge_working_tree(struct checkout_opts *opts,
        int ret;
        struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
        int newfd = hold_locked_index(lock_file, 1);
-       int reprime_cache_tree = 0;
 
-       if (read_cache() < 0)
+       if (read_cache_preload(NULL) < 0)
                return error("corrupt index file");
 
-       cache_tree_free(&active_cache_tree);
        if (opts->force) {
                ret = reset_tree(new->commit->tree, opts, 1);
                if (ret)
                        return ret;
-               reprime_cache_tree = 1;
        } else {
                struct tree_desc trees[2];
                struct tree *tree;
@@ -411,9 +408,7 @@ static int merge_working_tree(struct checkout_opts *opts,
                init_tree_desc(&trees[1], tree->buffer, tree->size);
 
                ret = unpack_trees(2, trees, &topts);
-               if (ret != -1) {
-                       reprime_cache_tree = 1;
-               } else {
+               if (ret == -1) {
                        /*
                         * Unpack couldn't do a trivial merge; either
                         * give up or do a real merge, depending on
@@ -457,8 +452,6 @@ static int merge_working_tree(struct checkout_opts *opts,
                }
        }
 
-       if (reprime_cache_tree)
-               prime_cache_tree(&active_cache_tree, new->commit->tree);
        if (write_cache(newfd, active_cache, active_nr) ||
            commit_locked_index(lock_file))
                die("unable to write new index file");
@@ -548,14 +541,6 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new)
                parse_commit(new->commit);
        }
 
-       /*
-        * If we were on a detached HEAD, but we are now moving to
-        * a new commit, we want to mention the old commit once more
-        * to remind the user that it might be lost.
-        */
-       if (!opts->quiet && !old.path && old.commit && new->commit != old.commit)
-               describe_detached_head("Previous HEAD position was", old.commit);
-
        if (!old.commit && !opts->force) {
                if (!opts->quiet) {
                        warning("You appear to be on a branch yet to be born.");
@@ -568,6 +553,14 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new)
        if (ret)
                return ret;
 
+       /*
+        * If we were on a detached HEAD, but have now moved to
+        * a new commit, we want to mention the old commit once more
+        * to remind the user that it might be lost.
+        */
+       if (!opts->quiet && !old.path && old.commit && new->commit != old.commit)
+               describe_detached_head("Previous HEAD position was", old.commit);
+
        update_refs_for_switch(opts, &old, new);
 
        ret = post_checkout_hook(old.commit, new->commit, 1);
@@ -612,7 +605,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
 
        opts.track = BRANCH_TRACK_UNSPECIFIED;
 
-       argc = parse_options(argc, argv, options, checkout_usage,
+       argc = parse_options(argc, argv, prefix, options, checkout_usage,
                             PARSE_OPT_KEEP_DASHDASH);
 
        /* --track without -b should DWIM */