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/*
* file/git-hist.h - Retrieve revision history from GIT repo
*
* Written 2016 by Werner Almesberger
* Copyright 2016 by Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef FILE_GIT_HIST_H
#define FILE_GIT_HIST_H
#include <stdbool.h>
#include <git2.h>
enum thread {
thread_none = 0,
thread_self = 1 << 0, /* -o- */
thread_newer = 1 << 1, /* -'- or -+- */
thread_older = 1 << 2, /* -.- or -+- */
thread_other = 1 << 3, /* -|- or -+- */
};
struct vcs_hist {
struct git_commit *commit; /* NULL if uncommitted changes */
unsigned branch; /* branch index */
const char **branches; /* NULL if none */
unsigned n_branches;
struct vcs_hist **newer;
unsigned n_newer;
struct vcs_hist **older;
unsigned n_older;
struct vcs_hist *next; /* no specific order */
unsigned seen; /* for traversal */
unsigned pos; /* position in thread vector */
const struct vcs_hist **threads; /* previous thread members, or NULL */
unsigned n_threads;
};
struct vcs_history;
bool vcs_git_try(const char *path);
struct vcs_history *vcs_git_history(const char *path);
char *vcs_git_get_rev(struct vcs_hist *h);
bool vcs_is_empty(const struct vcs_history *history);
const char *vcs_git_summary(struct vcs_hist *hist);
char *vcs_git_summary_for_pango(struct vcs_hist *hist,
char *(*formatter)(const char *fmt, ...));
char *vcs_git_long_for_pango(struct vcs_hist *hist,
char *(*formatter)(const char *fmt, ...));
unsigned threads_number(const struct vcs_history *history);
enum thread *threads_classify(const struct vcs_history *history,
const struct vcs_hist *h, const struct vcs_hist *next);
void hist_iterate(struct vcs_history *history,
void (*fn)(void *user, struct vcs_hist *h, const struct vcs_hist *next),
void *user);
void dump_hist(struct vcs_history *history);
#endif /* !FILE_GIT_HIST_H */
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