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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
#include "builtin.h"
#include "pkt-line.h"
#include "fetch-pack.h"
static const char fetch_pack_usage[] =
"git fetch-pack [--all] [--stdin] [--quiet|-q] [--keep|-k] [--thin] "
"[--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] "
"[--no-progress] [-v] [<host>:]<directory> [<refs>...]";
static void add_sought_entry_mem(struct ref ***sought, int *nr, int *alloc,
const char *name, int namelen)
{
struct ref *ref = xcalloc(1, sizeof(*ref) + namelen + 1);
memcpy(ref->name, name, namelen);
ref->name[namelen] = '\0';
(*nr)++;
ALLOC_GROW(*sought, *nr, *alloc);
(*sought)[*nr - 1] = ref;
}
static void add_sought_entry(struct ref ***sought, int *nr, int *alloc,
const char *string)
{
add_sought_entry_mem(sought, nr, alloc, string, strlen(string));
}
int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
{
int i, ret;
struct ref *ref = NULL;
const char *dest = NULL;
struct ref **sought = NULL;
int nr_sought = 0, alloc_sought = 0;
int fd[2];
char *pack_lockfile = NULL;
char **pack_lockfile_ptr = NULL;
struct child_process *conn;
struct fetch_pack_args args;
packet_trace_identity("fetch-pack");
memset(&args, 0, sizeof(args));
args.uploadpack = "git-upload-pack";
for (i = 1; i < argc && *argv[i] == '-'; i++) {
const char *arg = argv[i];
if (!prefixcmp(arg, "--upload-pack=")) {
args.uploadpack = arg + 14;
continue;
}
if (!prefixcmp(arg, "--exec=")) {
args.uploadpack = arg + 7;
continue;
}
if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
args.quiet = 1;
continue;
}
if (!strcmp("--keep", arg) || !strcmp("-k", arg)) {
args.lock_pack = args.keep_pack;
args.keep_pack = 1;
continue;
}
if (!strcmp("--thin", arg)) {
args.use_thin_pack = 1;
continue;
}
if (!strcmp("--include-tag", arg)) {
args.include_tag = 1;
continue;
}
if (!strcmp("--all", arg)) {
args.fetch_all = 1;
continue;
}
if (!strcmp("--stdin", arg)) {
args.stdin_refs = 1;
continue;
}
if (!strcmp("-v", arg)) {
args.verbose = 1;
continue;
}
if (!prefixcmp(arg, "--depth=")) {
args.depth = strtol(arg + 8, NULL, 0);
continue;
}
if (!strcmp("--no-progress", arg)) {
args.no_progress = 1;
continue;
}
if (!strcmp("--stateless-rpc", arg)) {
args.stateless_rpc = 1;
continue;
}
if (!strcmp("--lock-pack", arg)) {
args.lock_pack = 1;
pack_lockfile_ptr = &pack_lockfile;
continue;
}
usage(fetch_pack_usage);
}
if (i < argc)
dest = argv[i++];
else
usage(fetch_pack_usage);
/*
* Copy refs from cmdline to growable list, then append any
* refs from the standard input:
*/
for (; i < argc; i++)
add_sought_entry(&sought, &nr_sought, &alloc_sought, argv[i]);
if (args.stdin_refs) {
if (args.stateless_rpc) {
/* in stateless RPC mode we use pkt-line to read
* from stdin, until we get a flush packet
*/
static char line[1000];
for (;;) {
int n = packet_read_line(0, line, sizeof(line));
if (!n)
break;
if (line[n-1] == '\n')
n--;
add_sought_entry_mem(&sought, &nr_sought, &alloc_sought, line, n);
}
}
else {
/* read from stdin one ref per line, until EOF */
struct strbuf line = STRBUF_INIT;
while (strbuf_getline(&line, stdin, '\n') != EOF)
add_sought_entry(&sought, &nr_sought, &alloc_sought, line.buf);
strbuf_release(&line);
}
}
if (args.stateless_rpc) {
conn = NULL;
fd[0] = 0;
fd[1] = 1;
} else {
conn = git_connect(fd, dest, args.uploadpack,
args.verbose ? CONNECT_VERBOSE : 0);
}
get_remote_heads(fd[0], &ref, 0, NULL);
ref = fetch_pack(&args, fd, conn, ref, dest,
sought, nr_sought, pack_lockfile_ptr);
if (pack_lockfile) {
printf("lock %s\n", pack_lockfile);
fflush(stdout);
}
close(fd[0]);
close(fd[1]);
if (finish_connect(conn))
return 1;
ret = !ref;
/*
* If the heads to pull were given, we should have consumed
* all of them by matching the remote. Otherwise, 'git fetch
* remote no-such-ref' would silently succeed without issuing
* an error.
*/
for (i = 0; i < nr_sought; i++) {
if (!sought[i] || sought[i]->matched)
continue;
error("no such remote ref %s", sought[i]->name);
ret = 1;
}
while (ref) {
printf("%s %s\n",
sha1_to_hex(ref->old_sha1), ref->name);
ref = ref->next;
}
return ret;
}
|
