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#ifndef BRANCH_H

#define BRANCH_H

/* Functions for acting on the information about branches. */

/*

* Creates a new branch, where:

*

* - name is the new branch name

*

* - start_name is the name of the existing branch that the new branch should

* start from

*

* - force enables overwriting an existing (non-head) branch

*

* - reflog creates a reflog for the branch

*

* - track causes the new branch to be configured to merge the remote branch

* that start_name is a tracking branch for (if any).

*/

void create_branch(const char *name, const char *start_name,

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

* branch. (E.g., MERGE_HEAD)

*/

void remove_branch_state(void);

/*

* Configure local branch "local" as downstream to branch "remote"

* from remote "origin". Used by git branch --set-upstream.

* Returns 0 on success.

*/

#define BRANCH_CONFIG_VERBOSE 01

extern int 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, int ignore_current_worktree);

/*

* Update all per-worktree HEADs pointing at the old ref to point the new ref.

* This will be used when renaming a branch. Returns 0 if successful, non-zero

* otherwise.

*/

extern int replace_each_worktree_head_symref(const char *oldref, const char *newref);

#endif