Andrew's git / gitweb.git /
29c1afa4d0ce5d1639b81d3d652d5b16085218e9
   1#ifndef BRANCH_H
   2#define BRANCH_H
   3
   4struct repository;
   5struct strbuf;
   6
   7enum branch_track {
   8        BRANCH_TRACK_UNSPECIFIED = -1,
   9        BRANCH_TRACK_NEVER = 0,
  10        BRANCH_TRACK_REMOTE,
  11        BRANCH_TRACK_ALWAYS,
  12        BRANCH_TRACK_EXPLICIT,
  13        BRANCH_TRACK_OVERRIDE
  14};
  15
  16extern enum branch_track git_branch_track;
  17
  18/* Functions for acting on the information about branches. */
  19
  20/*
  21 * Creates a new branch, where:
  22 *
  23 *   - r is the repository to add a branch to
  24 *
  25 *   - name is the new branch name
  26 *
  27 *   - start_name is the name of the existing branch that the new branch should
  28 *     start from
  29 *
  30 *   - force enables overwriting an existing (non-head) branch
  31 *
  32 *   - clobber_head_ok allows the currently checked out (hence existing)
  33 *     branch to be overwritten; without 'force', it has no effect.
  34 *
  35 *   - reflog creates a reflog for the branch
  36 *
  37 *   - quiet suppresses tracking information
  38 *
  39 *   - track causes the new branch to be configured to merge the remote branch
  40 *     that start_name is a tracking branch for (if any).
  41 *
  42 */
  43void create_branch(struct repository *r,
  44                   const char *name, const char *start_name,
  45                   int force, int clobber_head_ok,
  46                   int reflog, int quiet, enum branch_track track);
  47
  48/*
  49 * Check if 'name' can be a valid name for a branch; die otherwise.
  50 * Return 1 if the named branch already exists; return 0 otherwise.
  51 * Fill ref with the full refname for the branch.
  52 */
  53extern int validate_branchname(const char *name, struct strbuf *ref);
  54
  55/*
  56 * Check if a branch 'name' can be created as a new branch; die otherwise.
  57 * 'force' can be used when it is OK for the named branch already exists.
  58 * Return 1 if the named branch already exists; return 0 otherwise.
  59 * Fill ref with the full refname for the branch.
  60 */
  61extern int validate_new_branchname(const char *name, struct strbuf *ref, int force);
  62
  63/*
  64 * Remove information about the state of working on the current
  65 * branch. (E.g., MERGE_HEAD)
  66 */
  67void remove_branch_state(struct repository *r);
  68
  69/*
  70 * Configure local branch "local" as downstream to branch "remote"
  71 * from remote "origin".  Used by git branch --set-upstream.
  72 * Returns 0 on success.
  73 */
  74#define BRANCH_CONFIG_VERBOSE 01
  75extern int install_branch_config(int flag, const char *local, const char *origin, const char *remote);
  76
  77/*
  78 * Read branch description
  79 */
  80extern int read_branch_desc(struct strbuf *, const char *branch_name);
  81
  82/*
  83 * Check if a branch is checked out in the main worktree or any linked
  84 * worktree and die (with a message describing its checkout location) if
  85 * it is.
  86 */
  87extern void die_if_checked_out(const char *branch, int ignore_current_worktree);
  88
  89/*
  90 * Update all per-worktree HEADs pointing at the old ref to point the new ref.
  91 * This will be used when renaming a branch. Returns 0 if successful, non-zero
  92 * otherwise.
  93 */
  94extern int replace_each_worktree_head_symref(const char *oldref, const char *newref,
  95                                             const char *logmsg);
  96
  97#endif