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#ifndef BRANCH_H
#define BRANCH_H
struct repository;
struct strbuf;
enum branch_track {
BRANCH_TRACK_UNSPECIFIED = -1,
BRANCH_TRACK_NEVER = 0,
BRANCH_TRACK_REMOTE,
BRANCH_TRACK_ALWAYS,
BRANCH_TRACK_EXPLICIT,
BRANCH_TRACK_OVERRIDE,
BRANCH_TRACK_INHERIT,
BRANCH_TRACK_SIMPLE,
};
extern enum branch_track git_branch_track;
/* Functions for acting on the information about branches. */
/**
* Sets branch.<new_ref>.{remote,merge} config settings such that
* new_ref tracks orig_ref according to the specified tracking mode.
*
* - new_ref is the name of the branch that we are setting tracking
* for.
*
* - orig_ref is the name of the ref that is 'upstream' of new_ref.
* orig_ref will be expanded with DWIM so that the config settings
* are in the correct format e.g. "refs/remotes/origin/main" instead
* of "origin/main".
*
* - track is the tracking mode e.g. BRANCH_TRACK_REMOTE causes
* new_ref to track orig_ref directly, whereas BRANCH_TRACK_INHERIT
* causes new_ref to track whatever orig_ref tracks.
*
* - quiet suppresses tracking information.
*/
void dwim_and_setup_tracking(struct repository *r, const char *new_ref,
const char *orig_ref, enum branch_track track,
int quiet);
/*
* Creates a new branch, where:
*
* - r is the repository to add a branch to
*
* - 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
*
* - clobber_head_ok, when enabled with 'force', allows the currently
* checked out (head) branch to be overwritten
*
* - reflog creates a reflog for the branch
*
* - quiet suppresses tracking information
*
* - track causes the new branch to be configured to merge the remote branch
* that start_name is a tracking branch for (if any).
*
* - dry_run causes the branch to be validated but not created.
*
*/
void create_branch(struct repository *r,
const char *name, const char *start_name,
int force, int clobber_head_ok,
int reflog, int quiet, enum branch_track track,
int dry_run);
/*
* Creates a new branch in a repository and its submodules (and its
* submodules, recursively). The parameters are mostly analogous to
* those of create_branch() except for start_name, which is represented
* by two different parameters:
*
* - start_commitish is the commit-ish, in repository r, that determines
* which commits the branches will point to. The superproject branch
* will point to the commit of start_commitish and the submodule
* branches will point to the gitlink commit oids in start_commitish's
* tree.
*
* - tracking_name is the name of the ref, in repository r, that will be
* used to set up tracking information. This value is propagated to
* all submodules, which will evaluate the ref using their own ref
* stores. If NULL, this defaults to start_commitish.
*
* When this function is called on the superproject, start_commitish
* can be any user-provided ref and tracking_name can be NULL (similar
* to create_branches()). But when recursing through submodules,
* start_commitish is the plain gitlink commit oid. Since the oid cannot
* be used for tracking information, tracking_name is propagated and
* used for tracking instead.
*/
void create_branches_recursively(struct repository *r, const char *name,
const char *start_commitish,
const char *tracking_name, int force,
int reflog, int quiet, enum branch_track track,
int dry_run);
/*
* If the branch at 'refname' is currently checked out in a worktree,
* then return the path to that worktree.
*/
const char *branch_checked_out(const char *refname);
/*
* Check if 'name' can be a valid name for a branch; die otherwise.
* Return 1 if the named branch already exists; return 0 otherwise.
* Fill ref with the full refname for the branch.
*/
int validate_branchname(const char *name, struct strbuf *ref);
/*
* Check if a branch 'name' can be created as a new branch; die otherwise.
* 'force' can be used when it is OK for the named branch already exists.
* Return 1 if the named branch already exists; return 0 otherwise.
* Fill ref with the full refname for the branch.
*/
int validate_new_branchname(const char *name, struct strbuf *ref, int force);
/*
* Remove information about the merge state on the current
* branch. (E.g., MERGE_HEAD)
*/
void remove_merge_branch_state(struct repository *r);
/*
* Remove information about the state of working on the current
* branch. (E.g., MERGE_HEAD)
*/
void remove_branch_state(struct repository *r, int verbose);
/*
* 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
int install_branch_config(int flag, const char *local, const char *origin, const char *remote);
/*
* Read branch description
*/
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.
*/
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.
*/
int replace_each_worktree_head_symref(const char *oldref, const char *newref,
const char *logmsg);
#endif
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