Second batch for 2.14
[gitweb.git] / builtin / checkout.c
index 80d5e389813bed951b63ae5bd8e4347af4da53df..6c3d2e4f4cca135fa0d2562f2bcaa0af8a6aa340 100644 (file)
 #include "submodule-config.h"
 #include "submodule.h"
 
+static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
+
 static const char * const checkout_usage[] = {
        N_("git checkout [<options>] <branch>"),
        N_("git checkout [<options>] [<branch>] -- <file>..."),
        NULL,
 };
 
+static int option_parse_recurse_submodules(const struct option *opt,
+                                          const char *arg, int unset)
+{
+       if (unset) {
+               recurse_submodules = RECURSE_SUBMODULES_OFF;
+               return 0;
+       }
+       if (arg)
+               recurse_submodules =
+                       parse_update_recurse_submodules_arg(opt->long_name,
+                                                           arg);
+       else
+               recurse_submodules = RECURSE_SUBMODULES_ON;
+
+       return 0;
+}
+
 struct checkout_opts {
        int patch_mode;
        int quiet;
@@ -452,7 +471,7 @@ static void setup_branch_path(struct branch_info *branch)
 {
        struct strbuf buf = STRBUF_INIT;
 
-       strbuf_branchname(&buf, branch->name);
+       strbuf_branchname(&buf, branch->name, INTERPRET_BRANCH_LOCAL);
        if (strcmp(buf.buf, branch->name))
                branch->name = xstrdup(buf.buf);
        strbuf_splice(&buf, 0, 0, "refs/heads/", 11);
@@ -612,22 +631,25 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
        const char *old_desc, *reflog_msg;
        if (opts->new_branch) {
                if (opts->new_orphan_branch) {
-                       if (opts->new_branch_log && !log_all_ref_updates) {
+                       char *refname;
+
+                       refname = mkpathdup("refs/heads/%s", opts->new_orphan_branch);
+                       if (opts->new_branch_log &&
+                           !should_autocreate_reflog(refname)) {
                                int ret;
-                               char *refname;
                                struct strbuf err = STRBUF_INIT;
 
-                               refname = mkpathdup("refs/heads/%s", opts->new_orphan_branch);
                                ret = safe_create_reflog(refname, 1, &err);
-                               free(refname);
                                if (ret) {
                                        fprintf(stderr, _("Can not do reflog for '%s': %s\n"),
                                                opts->new_orphan_branch, err.buf);
                                        strbuf_release(&err);
+                                       free(refname);
                                        return;
                                }
                                strbuf_release(&err);
                        }
+                       free(refname);
                }
                else
                        create_branch(opts->new_branch, new->name,
@@ -811,7 +833,8 @@ static int switch_branches(const struct checkout_opts *opts,
        int flag, writeout_error = 0;
        memset(&old, 0, sizeof(old));
        old.path = path_to_free = resolve_refdup("HEAD", 0, rev.hash, &flag);
-       old.commit = lookup_commit_reference_gently(rev.hash, 1);
+       if (old.path)
+               old.commit = lookup_commit_reference_gently(rev.hash, 1);
        if (!(flag & REF_ISSYMREF))
                old.path = NULL;
 
@@ -886,11 +909,10 @@ static int check_tracking_name(struct remote *remote, void *cb_data)
 static const char *unique_tracking_name(const char *name, struct object_id *oid)
 {
        struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 };
-       char src_ref[PATH_MAX];
-       snprintf(src_ref, PATH_MAX, "refs/heads/%s", name);
-       cb_data.src_ref = src_ref;
+       cb_data.src_ref = xstrfmt("refs/heads/%s", name);
        cb_data.dst_oid = oid;
        for_each_remote(check_tracking_name, &cb_data);
+       free(cb_data.src_ref);
        if (cb_data.unique)
                return cb_data.dst_ref;
        free(cb_data.dst_ref);
@@ -1160,6 +1182,9 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                                N_("second guess 'git checkout <no-such-branch>'")),
                OPT_BOOL(0, "ignore-other-worktrees", &opts.ignore_other_worktrees,
                         N_("do not check if another worktree is holding the given ref")),
+               { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules,
+                           "checkout", "control recursive updating of submodules",
+                           PARSE_OPT_OPTARG, option_parse_recurse_submodules },
                OPT_BOOL(0, "progress", &opts.show_progress, N_("force progress reporting")),
                OPT_END(),
        };
@@ -1190,6 +1215,12 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                git_xmerge_config("merge.conflictstyle", conflict_style, NULL);
        }
 
+       if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
+               git_config(submodule_config, NULL);
+               if (recurse_submodules != RECURSE_SUBMODULES_DEFAULT)
+                       set_config_update_recurse_submodules(recurse_submodules);
+       }
+
        if ((!!opts.new_branch + !!opts.new_branch_force + !!opts.new_orphan_branch) > 1)
                die(_("-b, -B and --orphan are mutually exclusive"));