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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
/*
* "git push"
*/
#include "cache.h"
#include "refs.h"
#include "run-command.h"
#include "builtin.h"
#include "remote.h"
#include "transport.h"
#include "parse-options.h"
static const char * const push_usage[] = {
"git push [<options>] [<repository> <refspec>...]",
NULL,
};
static int thin;
static int deleterefs;
static const char *receivepack;
static const char **refspec;
static int refspec_nr;
static void add_refspec(const char *ref)
{
int nr = refspec_nr + 1;
refspec = xrealloc(refspec, nr * sizeof(char *));
refspec[nr-1] = ref;
refspec_nr = nr;
}
static void set_refspecs(const char **refs, int nr)
{
int i;
for (i = 0; i < nr; i++) {
const char *ref = refs[i];
if (!strcmp("tag", ref)) {
char *tag;
int len;
if (nr <= ++i)
die("tag shorthand without <tag>");
len = strlen(refs[i]) + 11;
if (deleterefs) {
tag = xmalloc(len+1);
strcpy(tag, ":refs/tags/");
} else {
tag = xmalloc(len);
strcpy(tag, "refs/tags/");
}
strcat(tag, refs[i]);
ref = tag;
} else if (deleterefs && !strchr(ref, ':')) {
char *delref;
int len = strlen(ref)+1;
delref = xmalloc(len+1);
strcpy(delref, ":");
strcat(delref, ref);
ref = delref;
} else if (deleterefs)
die("--delete only accepts plain target ref names");
add_refspec(ref);
}
}
static void setup_push_tracking(void)
{
struct strbuf refspec = STRBUF_INIT;
struct branch *branch = branch_get(NULL);
if (!branch)
die("You are not currently on a branch.");
if (!branch->merge_nr)
die("The current branch %s is not tracking anything.",
branch->name);
if (branch->merge_nr != 1)
die("The current branch %s is tracking multiple branches, "
"refusing to push.", branch->name);
strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src);
add_refspec(refspec.buf);
}
static void setup_default_push_refspecs(void)
{
switch (push_default) {
default:
case PUSH_DEFAULT_MATCHING:
add_refspec(":");
break;
case PUSH_DEFAULT_TRACKING:
setup_push_tracking();
break;
case PUSH_DEFAULT_CURRENT:
add_refspec("HEAD");
break;
case PUSH_DEFAULT_NOTHING:
die("You didn't specify any refspecs to push, and "
"push.default is \"nothing\".");
break;
}
}
static int push_with_options(struct transport *transport, int flags)
{
int err;
int nonfastforward;
if (receivepack)
transport_set_option(transport,
TRANS_OPT_RECEIVEPACK, receivepack);
if (thin)
transport_set_option(transport, TRANS_OPT_THIN, "yes");
if (flags & TRANSPORT_PUSH_VERBOSE)
fprintf(stderr, "Pushing to %s\n", transport->url);
err = transport_push(transport, refspec_nr, refspec, flags,
&nonfastforward);
if (err != 0)
error("failed to push some refs to '%s'", transport->url);
err |= transport_disconnect(transport);
if (!err)
return 0;
if (nonfastforward && advice_push_nonfastforward) {
fprintf(stderr, "To prevent you from losing history, non-fast-forward updates were rejected\n"
"Merge the remote changes before pushing again. See the 'Note about\n"
"fast-forwards' section of 'git push --help' for details.\n");
}
return 1;
}
static int do_push(const char *repo, int flags)
{
int i, errs;
struct remote *remote = remote_get(repo);
const char **url;
int url_nr;
if (!remote) {
if (repo)
die("bad repository '%s'", repo);
die("No destination configured to push to.");
}
if (remote->mirror)
flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
if ((flags & TRANSPORT_PUSH_ALL) && refspec) {
if (!strcmp(*refspec, "refs/tags/*"))
return error("--all and --tags are incompatible");
return error("--all can't be combined with refspecs");
}
if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) {
if (!strcmp(*refspec, "refs/tags/*"))
return error("--mirror and --tags are incompatible");
return error("--mirror can't be combined with refspecs");
}
if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
(TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
return error("--all and --mirror are incompatible");
}
if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) {
if (remote->push_refspec_nr) {
refspec = remote->push_refspec;
refspec_nr = remote->push_refspec_nr;
} else if (!(flags & TRANSPORT_PUSH_MIRROR))
setup_default_push_refspecs();
}
errs = 0;
if (remote->pushurl_nr) {
url = remote->pushurl;
url_nr = remote->pushurl_nr;
} else {
url = remote->url;
url_nr = remote->url_nr;
}
if (url_nr) {
for (i = 0; i < url_nr; i++) {
struct transport *transport =
transport_get(remote, url[i]);
if (push_with_options(transport, flags))
errs++;
}
} else {
struct transport *transport =
transport_get(remote, NULL);
if (push_with_options(transport, flags))
errs++;
}
return !!errs;
}
int cmd_push(int argc, const char **argv, const char *prefix)
{
int flags = 0;
int tags = 0;
int rc;
const char *repo = NULL; /* default repository */
struct option options[] = {
OPT_BIT('q', "quiet", &flags, "be quiet", TRANSPORT_PUSH_QUIET),
OPT_BIT('v', "verbose", &flags, "be verbose", TRANSPORT_PUSH_VERBOSE),
OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL),
OPT_BIT( 0 , "mirror", &flags, "mirror all refs",
(TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
OPT_BOOLEAN( 0, "delete", &deleterefs, "delete refs"),
OPT_BOOLEAN( 0 , "tags", &tags, "push tags (can't be used with --all or --mirror)"),
OPT_BIT('n' , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
OPT_BIT( 0, "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN),
OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
OPT_BIT('u', "set-upstream", &flags, "set upstream for git pull/status",
TRANSPORT_PUSH_SET_UPSTREAM),
OPT_END()
};
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, prefix, options, push_usage, 0);
if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
die("--delete is incompatible with --all, --mirror and --tags");
if (deleterefs && argc < 2)
die("--delete doesn't make sense without any refs");
if (tags)
add_refspec("refs/tags/*");
if (argc > 0) {
repo = argv[0];
set_refspecs(argv + 1, argc - 1);
}
rc = do_push(repo, flags);
if (rc == -1)
usage_with_options(push_usage, options);
else
return rc;
}
|
