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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
| | #include "cache.h"
#include "object-store.h"
#include "promisor-remote.h"
#include "config.h"
#include "fetch-object.h"
static struct promisor_remote *promisors;
static struct promisor_remote **promisors_tail = &promisors;
static struct promisor_remote *promisor_remote_new(const char *remote_name)
{
struct promisor_remote *r;
if (*remote_name == '/') {
warning(_("promisor remote name cannot begin with '/': %s"),
remote_name);
return NULL;
}
FLEX_ALLOC_STR(r, name, remote_name);
*promisors_tail = r;
promisors_tail = &r->next;
return r;
}
static struct promisor_remote *promisor_remote_lookup(const char *remote_name,
struct promisor_remote **previous)
{
struct promisor_remote *r, *p;
for (p = NULL, r = promisors; r; p = r, r = r->next)
if (r->name && !strcmp(r->name, remote_name)) {
if (previous)
*previous = p;
return r;
}
return NULL;
}
static int promisor_remote_config(const char *var, const char *value, void *data)
{
const char *name;
int namelen;
const char *subkey;
if (parse_config_key(var, "remote", &name, &namelen, &subkey) < 0)
return 0;
if (!strcmp(subkey, "promisor")) {
char *remote_name;
if (!git_config_bool(var, value))
return 0;
remote_name = xmemdupz(name, namelen);
if (!promisor_remote_lookup(remote_name, NULL))
promisor_remote_new(remote_name);
free(remote_name);
return 0;
}
return 0;
}
static void promisor_remote_init(void)
{
static int initialized;
if (initialized)
return;
initialized = 1;
git_config(promisor_remote_config, NULL);
}
struct promisor_remote *promisor_remote_find(const char *remote_name)
{
promisor_remote_init();
if (!remote_name)
return promisors;
return promisor_remote_lookup(remote_name, NULL);
}
int has_promisor_remote(void)
{
return !!promisor_remote_find(NULL);
}
static int remove_fetched_oids(struct object_id **oids, int oid_nr, int to_free)
{
int i, missing_nr = 0;
int *missing = xcalloc(oid_nr, sizeof(*missing));
struct object_id *old_oids = *oids;
struct object_id *new_oids;
int old_fetch_if_missing = fetch_if_missing;
fetch_if_missing = 0;
for (i = 0; i < oid_nr; i++)
if (oid_object_info_extended(the_repository, &old_oids[i], NULL, 0)) {
missing[i] = 1;
missing_nr++;
}
fetch_if_missing = old_fetch_if_missing;
if (missing_nr) {
int j = 0;
new_oids = xcalloc(missing_nr, sizeof(*new_oids));
for (i = 0; i < oid_nr; i++)
if (missing[i])
oidcpy(&new_oids[j++], &old_oids[i]);
*oids = new_oids;
if (to_free)
free(old_oids);
}
return missing_nr;
}
int promisor_remote_get_direct(const struct object_id *oids, int oid_nr)
{
struct promisor_remote *r;
struct object_id *missing_oids = (struct object_id *)oids;
int missing_nr = oid_nr;
int to_free = 0;
int res = -1;
promisor_remote_init();
for (r = promisors; r; r = r->next) {
if (fetch_objects(r->name, missing_oids, missing_nr) < 0) {
if (missing_nr == 1)
continue;
missing_nr = remove_fetched_oids(&missing_oids, missing_nr, to_free);
if (missing_nr) {
to_free = 1;
continue;
}
}
res = 0;
break;
}
if (to_free)
free(missing_oids);
return res;
}
|