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41af65651d
Add a new function, find_shared_symref, which contains the heart of die_if_checked_out, but works for any symref, not just HEAD. Refactor die_if_checked_out to use the same infrastructure as find_shared_symref. Soon, we will use find_shared_symref to protect notes merges in worktrees. Signed-off-by: David Turner <dturner@twopensource.com> Reviewed-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
#ifndef BRANCH_H
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#define BRANCH_H
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/* Functions for acting on the information about branches. */
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/*
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* Creates a new branch, where head is the branch currently checked
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* out, name is the new branch name, start_name is the name of the
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* existing branch that the new branch should start from, force
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* enables overwriting an existing (non-head) branch, reflog creates a
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* reflog for the branch, and track causes the new branch to be
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* configured to merge the remote branch that start_name is a tracking
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* branch for (if any).
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*/
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void create_branch(const char *head, const char *name, const char *start_name,
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int force, int reflog,
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int clobber_head, int quiet, enum branch_track track);
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/*
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* Validates that the requested branch may be created, returning the
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* interpreted ref in ref, force indicates whether (non-head) branches
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* may be overwritten. A non-zero return value indicates that the force
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* parameter was non-zero and the branch already exists.
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*
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* Contrary to all of the above, when attr_only is 1, the caller is
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* not interested in verifying if it is Ok to update the named
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* branch to point at a potentially different commit. It is merely
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* asking if it is OK to change some attribute for the named branch
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* (e.g. tracking upstream).
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*
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* NEEDSWORK: This needs to be split into two separate functions in the
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* longer run for sanity.
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*
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*/
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int validate_new_branchname(const char *name, struct strbuf *ref, int force, int attr_only);
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/*
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* Remove information about the state of working on the current
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* branch. (E.g., MERGE_HEAD)
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*/
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void remove_branch_state(void);
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/*
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* Configure local branch "local" as downstream to branch "remote"
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* from remote "origin". Used by git branch --set-upstream.
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*/
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#define BRANCH_CONFIG_VERBOSE 01
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extern void install_branch_config(int flag, const char *local, const char *origin, const char *remote);
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/*
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* Read branch description
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*/
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extern int read_branch_desc(struct strbuf *, const char *branch_name);
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/*
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* Check if a branch is checked out in the main worktree or any linked
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* worktree and die (with a message describing its checkout location) if
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* it is.
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*/
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extern void die_if_checked_out(const char *branch);
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/*
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* Check if a per-worktree symref points to a ref in the main worktree
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* or any linked worktree, and return the path to the exising worktree
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* if it is. Returns NULL if there is no existing ref. The caller is
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* responsible for freeing the returned path.
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*/
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extern char *find_shared_symref(const char *symref, const char *target);
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#endif
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