mirror of
git://projects.qi-hardware.com/eda-tools.git
synced 2024-11-30 03:12:48 +02:00
88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/*
|
|
* file/git-util.c - Git utility functions
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <stdbool.h>
|
|
#include <assert.h>
|
|
|
|
#include <git2.h>
|
|
|
|
#include "file/git-util.h"
|
|
|
|
|
|
/*
|
|
* This seems to be an efficient way for finding out if a repo is dirty.
|
|
*
|
|
* http://ben.straub.cc/2013/04/02/libgit2-checkout/
|
|
*
|
|
* References:
|
|
* https://libgit2.github.com/libgit2/#HEAD/group/checkout/git_checkout_index
|
|
* https://libgit2.github.com/libgit2/#HEAD/type/git_checkout_options
|
|
* https://github.com/libgit2/libgit2/blob/HEAD/include/git2/checkout.h#L251-295
|
|
*/
|
|
|
|
|
|
static int checkout_notify_cb(git_checkout_notify_t why,
|
|
const char *path, const git_diff_file *baseline,
|
|
const git_diff_file *target, const git_diff_file *workdir,
|
|
void *payload)
|
|
{
|
|
bool *res = payload;
|
|
|
|
assert(why == GIT_CHECKOUT_NOTIFY_DIRTY);
|
|
|
|
*res = 1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
bool git_repo_is_dirty(git_repository *repo)
|
|
{
|
|
git_checkout_options opts;
|
|
bool res = 0;
|
|
|
|
/*
|
|
* Initialization with GIT_CHECKOUT_OPTIONS_INIT complains about not
|
|
* setting checkout_strategy. git_checkout_init_options is fine.
|
|
*/
|
|
git_checkout_init_options(&opts, GIT_CHECKOUT_OPTIONS_VERSION);
|
|
opts.checkout_strategy = GIT_CHECKOUT_NONE;
|
|
/* let's be explicit about this */
|
|
opts.notify_flags = GIT_CHECKOUT_NOTIFY_DIRTY;
|
|
opts.notify_cb = checkout_notify_cb;
|
|
opts.notify_payload = &res;
|
|
git_checkout_index(repo, NULL, &opts);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
/*
|
|
* Git documentation says that git_libgit2_init can be called more then once
|
|
* but doesn't quite what happens then, e.g., whether references obtained
|
|
* before an init (except for the first, of course) can still be used after
|
|
* it. So we play it safe and initialize only once.
|
|
*/
|
|
|
|
void git_init_once(void)
|
|
{
|
|
static bool initialized = 0;
|
|
|
|
if (!initialized) {
|
|
#if LIBGIT2_VER_MAJOR == 0 && LIBGIT2_VER_MINOR < 22
|
|
git_threads_init();
|
|
#else
|
|
git_libgit2_init();
|
|
#endif
|
|
initialized = 1;
|
|
}
|
|
}
|