threaded delta search: refine work allocation
[git/dscho.git] / builtin-push.c
blob2612f07f74855ad6dec8ccd605279ab3a502e5e2
1 /*
2  * "git push"
3  */
4 #include "cache.h"
5 #include "refs.h"
6 #include "run-command.h"
7 #include "builtin.h"
8 #include "remote.h"
10 static const char push_usage[] = "git-push [--all] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]";
12 static int all, force, thin = 1, verbose;
13 static const char *receivepack;
15 static const char **refspec;
16 static int refspec_nr;
18 static void add_refspec(const char *ref)
20         int nr = refspec_nr + 1;
21         refspec = xrealloc(refspec, nr * sizeof(char *));
22         refspec[nr-1] = ref;
23         refspec_nr = nr;
26 static void set_refspecs(const char **refs, int nr)
28         int i;
29         for (i = 0; i < nr; i++) {
30                 const char *ref = refs[i];
31                 if (!strcmp("tag", ref)) {
32                         char *tag;
33                         int len;
34                         if (nr <= ++i)
35                                 die("tag shorthand without <tag>");
36                         len = strlen(refs[i]) + 11;
37                         tag = xmalloc(len);
38                         strcpy(tag, "refs/tags/");
39                         strcat(tag, refs[i]);
40                         ref = tag;
41                 }
42                 add_refspec(ref);
43         }
46 static int do_push(const char *repo)
48         int i, errs;
49         int common_argc;
50         const char **argv;
51         int argc;
52         struct remote *remote = remote_get(repo);
54         if (!remote)
55                 die("bad repository '%s'", repo);
57         if (remote->receivepack) {
58                 char *rp = xmalloc(strlen(remote->receivepack) + 16);
59                 sprintf(rp, "--receive-pack=%s", remote->receivepack);
60                 receivepack = rp;
61         }
62         if (!refspec && !all && remote->push_refspec_nr) {
63                 refspec = remote->push_refspec;
64                 refspec_nr = remote->push_refspec_nr;
65         }
67         argv = xmalloc((refspec_nr + 10) * sizeof(char *));
68         argv[0] = "dummy-send-pack";
69         argc = 1;
70         if (all)
71                 argv[argc++] = "--all";
72         if (force)
73                 argv[argc++] = "--force";
74         if (receivepack)
75                 argv[argc++] = receivepack;
76         common_argc = argc;
78         errs = 0;
79         for (i = 0; i < remote->uri_nr; i++) {
80                 int err;
81                 int dest_argc = common_argc;
82                 int dest_refspec_nr = refspec_nr;
83                 const char **dest_refspec = refspec;
84                 const char *dest = remote->uri[i];
85                 const char *sender = "send-pack";
86                 if (!prefixcmp(dest, "http://") ||
87                     !prefixcmp(dest, "https://"))
88                         sender = "http-push";
89                 else {
90                         char *rem = xmalloc(strlen(remote->name) + 10);
91                         sprintf(rem, "--remote=%s", remote->name);
92                         argv[dest_argc++] = rem;
93                         if (thin)
94                                 argv[dest_argc++] = "--thin";
95                 }
96                 argv[0] = sender;
97                 argv[dest_argc++] = dest;
98                 while (dest_refspec_nr--)
99                         argv[dest_argc++] = *dest_refspec++;
100                 argv[dest_argc] = NULL;
101                 if (verbose)
102                         fprintf(stderr, "Pushing to %s\n", dest);
103                 err = run_command_v_opt(argv, RUN_GIT_CMD);
104                 if (!err)
105                         continue;
107                 error("failed to push to '%s'", remote->uri[i]);
108                 switch (err) {
109                 case -ERR_RUN_COMMAND_FORK:
110                         error("unable to fork for %s", sender);
111                 case -ERR_RUN_COMMAND_EXEC:
112                         error("unable to exec %s", sender);
113                         break;
114                 case -ERR_RUN_COMMAND_WAITPID:
115                 case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
116                 case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
117                 case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
118                         error("%s died with strange error", sender);
119                 }
120                 errs++;
121         }
122         return !!errs;
125 int cmd_push(int argc, const char **argv, const char *prefix)
127         int i;
128         const char *repo = NULL;        /* default repository */
130         for (i = 1; i < argc; i++) {
131                 const char *arg = argv[i];
133                 if (arg[0] != '-') {
134                         repo = arg;
135                         i++;
136                         break;
137                 }
138                 if (!strcmp(arg, "-v")) {
139                         verbose=1;
140                         continue;
141                 }
142                 if (!prefixcmp(arg, "--repo=")) {
143                         repo = arg+7;
144                         continue;
145                 }
146                 if (!strcmp(arg, "--all")) {
147                         all = 1;
148                         continue;
149                 }
150                 if (!strcmp(arg, "--tags")) {
151                         add_refspec("refs/tags/*");
152                         continue;
153                 }
154                 if (!strcmp(arg, "--force") || !strcmp(arg, "-f")) {
155                         force = 1;
156                         continue;
157                 }
158                 if (!strcmp(arg, "--thin")) {
159                         thin = 1;
160                         continue;
161                 }
162                 if (!strcmp(arg, "--no-thin")) {
163                         thin = 0;
164                         continue;
165                 }
166                 if (!prefixcmp(arg, "--receive-pack=")) {
167                         receivepack = arg;
168                         continue;
169                 }
170                 if (!prefixcmp(arg, "--exec=")) {
171                         receivepack = arg;
172                         continue;
173                 }
174                 usage(push_usage);
175         }
176         set_refspecs(argv + i, argc - i);
177         if (all && refspec)
178                 usage(push_usage);
180         return do_push(repo);