* branch for (if any).
*/
void create_branch(const char *head, const char *name, const char *start_name,
- int force, int reflog, enum branch_track track);
+ int force, int reflog,
+ int clobber_head, int quiet, enum branch_track track);
+
+/*
+ * Validates that the requested branch may be created, returning the
+ * interpreted ref in ref, force indicates whether (non-head) branches
+ * may be overwritten. A non-zero return value indicates that the force
+ * parameter was non-zero and the branch already exists.
+ *
+ * Contrary to all of the above, when attr_only is 1, the caller is
+ * not interested in verifying if it is Ok to update the named
+ * branch to point at a potentially different commit. It is merely
+ * asking if it is OK to change some attribute for the named branch
+ * (e.g. tracking upstream).
+ *
+ * NEEDSWORK: This needs to be split into two separate functions in the
+ * longer run for sanity.
+ *
+ */
+int validate_new_branchname(const char *name, struct strbuf *ref, int force, int attr_only);
/*
* Remove information about the state of working on the current
#define BRANCH_CONFIG_VERBOSE 01
extern void install_branch_config(int flag, const char *local, const char *origin, const char *remote);
+/*
+ * Read branch description
+ */
+extern int read_branch_desc(struct strbuf *, const char *branch_name);
+
+/*
+ * Check if a branch is checked out in the main worktree or any linked
+ * worktree and die (with a message describing its checkout location) if
+ * it is.
+ */
+extern void die_if_checked_out(const char *branch);
+
+/*
+ * Check if a per-worktree symref points to a ref in the main worktree
+ * or any linked worktree, and return the path to the exising worktree
+ * if it is. Returns NULL if there is no existing ref. The caller is
+ * responsible for freeing the returned path.
+ */
+extern char *find_shared_symref(const char *symref, const char *target);
+
#endif