ll-merge: replace flag argument with options struct
[gitweb.git] / builtin / checkout.c
index 347927788b53031f0ada6bc3394940255637ad2c..4d36b2897fc4a31795261194a681266dd3a502be 100644 (file)
@@ -150,8 +150,12 @@ static int checkout_merged(int pos, struct checkout *state)
        read_mmblob(&ours, active_cache[pos+1]->sha1);
        read_mmblob(&theirs, active_cache[pos+2]->sha1);
 
-       status = ll_merge(&result_buf, path, &ancestor,
-                         &ours, "ours", &theirs, "theirs", 0);
+       /*
+        * NEEDSWORK: re-create conflicts from merges with
+        * merge.renormalize set, too
+        */
+       status = ll_merge(&result_buf, path, &ancestor, "base",
+                         &ours, "ours", &theirs, "theirs", NULL);
        free(ancestor.ptr);
        free(ours.ptr);
        free(theirs.ptr);
@@ -433,6 +437,13 @@ static int merge_working_tree(struct checkout_opts *opts,
                         */
 
                        add_files_to_cache(NULL, NULL, 0);
+                       /*
+                        * NEEDSWORK: carrying over local changes
+                        * when branches have different end-of-line
+                        * normalization (or clean+smudge rules) is
+                        * a pain; plumb in an option to set
+                        * o.renormalize?
+                        */
                        init_merge_options(&o);
                        o.verbosity = 0;
                        work = write_tree_from_memory(&o);
@@ -440,6 +451,7 @@ static int merge_working_tree(struct checkout_opts *opts,
                        ret = reset_tree(new->commit->tree, opts, 1);
                        if (ret)
                                return ret;
+                       o.ancestor = old->name;
                        o.branch1 = new->name;
                        o.branch2 = "local";
                        merge_trees(&o, new->commit->tree, work,
@@ -492,7 +504,24 @@ static void update_refs_for_switch(struct checkout_opts *opts,
        struct strbuf msg = STRBUF_INIT;
        const char *old_desc;
        if (opts->new_branch) {
-               if (!opts->new_orphan_branch)
+               if (opts->new_orphan_branch) {
+                       if (opts->new_branch_log && !log_all_ref_updates) {
+                               int temp;
+                               char log_file[PATH_MAX];
+                               char *ref_name = mkpath("refs/heads/%s", opts->new_orphan_branch);
+
+                               temp = log_all_ref_updates;
+                               log_all_ref_updates = 1;
+                               if (log_ref_setup(ref_name, log_file, sizeof(log_file))) {
+                                       fprintf(stderr, "Can not do reflog for '%s'\n",
+                                           opts->new_orphan_branch);
+                                       log_all_ref_updates = temp;
+                                       return;
+                               }
+                               log_all_ref_updates = temp;
+                       }
+               }
+               else
                        create_branch(old->name, opts->new_branch, new->name, 0,
                                      opts->new_branch_log, opts->track);
                new->name = opts->new_branch;
@@ -516,6 +545,14 @@ static void update_refs_for_switch(struct checkout_opts *opts,
                                        opts->new_branch ? " a new" : "",
                                        new->name);
                }
+               if (old->path && old->name) {
+                       char log_file[PATH_MAX], ref_file[PATH_MAX];
+
+                       git_snpath(log_file, sizeof(log_file), "logs/%s", old->path);
+                       git_snpath(ref_file, sizeof(ref_file), "%s", old->path);
+                       if (!file_exists(ref_file) && file_exists(log_file))
+                               remove_path(log_file);
+               }
        } else if (strcmp(new->name, "HEAD")) {
                update_ref(msg.buf, "HEAD", new->commit->object.sha1, NULL,
                           REF_NODEREF, DIE_ON_ERR);
@@ -610,7 +647,8 @@ static int check_tracking_name(const char *refname, const unsigned char *sha1,
 
 static const char *unique_tracking_name(const char *name)
 {
-       struct tracking_name_data cb_data = { name, NULL, 1 };
+       struct tracking_name_data cb_data = { NULL, NULL, 1 };
+       cb_data.name = name;
        for_each_ref(check_tracking_name, &cb_data);
        if (cb_data.unique)
                return cb_data.remote;
@@ -683,8 +721,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
        if (opts.new_orphan_branch) {
                if (opts.new_branch)
                        die("--orphan and -b are mutually exclusive");
-               if (opts.track > 0 || opts.new_branch_log)
-                       die("--orphan cannot be used with -t or -l");
+               if (opts.track > 0)
+                       die("--orphan cannot be used with -t");
                opts.new_branch = opts.new_orphan_branch;
        }