git/path.h
Brandon Williams c07b3adff1 path: document path functions
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-13 11:14:25 -08:00

174 lines
5.1 KiB
C

#ifndef PATH_H
#define PATH_H
struct repository;
/*
* The result to all functions which return statically allocated memory may be
* overwritten by another call to _any_ one of these functions. Consider using
* the safer variants which operate on strbufs or return allocated memory.
*/
/*
* Return a statically allocated path.
*/
extern const char *mkpath(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
/*
* Return a path.
*/
extern char *mkpathdup(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
/*
* Construct a path and place the result in the provided buffer `buf`.
*/
extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
/*
* The `git_common_path` family of functions will construct a path into a
* repository's common git directory, which is shared by all worktrees.
*/
/*
* Constructs a path into the common git directory of repository `repo` and
* append it in the provided buffer `sb`.
*/
extern void strbuf_git_common_path(struct strbuf *sb,
const struct repository *repo,
const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
/*
* Return a statically allocated path into the main repository's
* (the_repository) common git directory.
*/
extern const char *git_common_path(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
/*
* The `git_path` family of functions will construct a path into a repository's
* git directory.
*
* These functions will perform adjustments to the resultant path to account
* for special paths which are either considered common among worktrees (e.g.
* paths into the object directory) or have been explicitly set via an
* environment variable or config (e.g. path to the index file).
*
* For an exhaustive list of the adjustments made look at `common_list` and
* `adjust_git_path` in path.c.
*/
/*
* Return a path into the git directory of repository `repo`.
*/
extern char *repo_git_path(const struct repository *repo,
const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
/*
* Construct a path into the git directory of repository `repo` and append it
* to the provided buffer `sb`.
*/
extern void strbuf_repo_git_path(struct strbuf *sb,
const struct repository *repo,
const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
/*
* Return a statically allocated path into the main repository's
* (the_repository) git directory.
*/
extern const char *git_path(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
/*
* Return a path into the main repository's (the_repository) git directory.
*/
extern char *git_pathdup(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
/*
* Construct a path into the main repository's (the_repository) git directory
* and place it in the provided buffer `buf`, the contents of the buffer will
* be overridden.
*/
extern char *git_path_buf(struct strbuf *buf, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
/*
* Construct a path into the main repository's (the_repository) git directory
* and append it to the provided buffer `sb`.
*/
extern void strbuf_git_path(struct strbuf *sb, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
/*
* Return a path into the worktree of repository `repo`.
*
* If the repository doesn't have a worktree NULL is returned.
*/
extern char *repo_worktree_path(const struct repository *repo,
const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
/*
* Construct a path into the worktree of repository `repo` and append it
* to the provided buffer `sb`.
*
* If the repository doesn't have a worktree nothing will be appended to `sb`.
*/
extern void strbuf_repo_worktree_path(struct strbuf *sb,
const struct repository *repo,
const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
/*
* Return a path into a submodule's git directory located at `path`. `path`
* must only reference a submodule of the main repository (the_repository).
*/
extern char *git_pathdup_submodule(const char *path, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
/*
* Construct a path into a submodule's git directory located at `path` and
* append it to the provided buffer `sb`. `path` must only reference a
* submodule of the main repository (the_repository).
*/
extern int strbuf_git_path_submodule(struct strbuf *sb, const char *path,
const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
extern void report_linked_checkout_garbage(void);
/*
* You can define a static memoized git path like:
*
* static GIT_PATH_FUNC(git_path_foo, "FOO");
*
* or use one of the global ones below.
*/
#define GIT_PATH_FUNC(func, filename) \
const char *func(void) \
{ \
static char *ret; \
if (!ret) \
ret = git_pathdup(filename); \
return ret; \
}
const char *git_path_cherry_pick_head(void);
const char *git_path_revert_head(void);
const char *git_path_squash_msg(void);
const char *git_path_merge_msg(void);
const char *git_path_merge_rr(void);
const char *git_path_merge_mode(void);
const char *git_path_merge_head(void);
const char *git_path_fetch_head(void);
const char *git_path_shallow(void);
#endif /* PATH_H */