1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
#include "git.h"
#include "log.h"
#include <git2.h>
#include <stdlib.h>
#define git_log_err(fn) \
do { \
const git_error *error = git_error_last(); \
const char *msg = error && error->message ? error->message : "???"; \
log_err("%s: %s\n", fn, msg); \
} while (0)
int libgit_init()
{
int ret = 0;
ret = git_libgit2_init();
if (ret < 0) {
git_log_err("git_libgit2_init");
return ret;
}
return 0;
}
void libgit_shutdown()
{
git_libgit2_shutdown();
}
int libgit_clone(git_repository **repo, const char *url, const char *dir)
{
git_clone_options opts;
int ret = 0;
log("Cloning git repository from %s to %s\n", url, dir);
ret = git_clone_options_init(&opts, GIT_CLONE_OPTIONS_VERSION);
if (ret < 0) {
git_log_err("git_clone_options_init");
return ret;
}
opts.checkout_opts.checkout_strategy = GIT_CHECKOUT_NONE;
ret = git_clone(repo, url, dir, &opts);
if (ret < 0) {
git_log_err("git_clone");
return ret;
}
return 0;
}
int libgit_clone_to_tmp(git_repository **repo, const char *url)
{
char dir[] = "/tmp/git.XXXXXX";
if (!mkdtemp(dir)) {
log_errno("mkdtemp");
return -1;
}
return libgit_clone(repo, url, dir);
}
void libgit_repository_free(git_repository *repo)
{
git_repository_free(repo);
}
int libgit_checkout(git_repository *repo, const char *rev)
{
git_checkout_options opts;
git_object *obj;
int ret = 0;
log("Checking out revision %s\n", rev);
ret = git_revparse_single(&obj, repo, rev);
if (ret < 0) {
git_log_err("git_revparse_single");
return ret;
}
ret = git_checkout_options_init(&opts, GIT_CHECKOUT_OPTIONS_VERSION);
if (ret < 0) {
git_log_err("git_checkout_options_init");
goto free_obj;
}
opts.checkout_strategy = GIT_CHECKOUT_FORCE;
ret = git_checkout_tree(repo, obj, &opts);
if (ret < 0) {
git_log_err("git_checkout_tree");
goto free_obj;
}
ret = git_repository_set_head_detached(repo, git_object_id(obj));
if (ret < 0) {
git_log_err("git_repository_set_head_detached");
goto free_obj;
}
free_obj:
git_object_free(obj);
return ret;
}
|
