Code

detect close failure on just-written file handles
[git.git] / builtin-push.c
index d23974e708cb744f75efbb9f1acbf37606e92b05..2612f07f74855ad6dec8ccd605279ab3a502e5e2 100644 (file)
@@ -5,16 +5,12 @@
 #include "refs.h"
 #include "run-command.h"
 #include "builtin.h"
+#include "remote.h"
 
-#define MAX_URI (16)
+static const char push_usage[] = "git-push [--all] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]";
 
-static const char push_usage[] = "git-push [--all] [--tags] [-f | --force] <repository> [<refspec>...]";
-
-static int all, tags, force, thin = 1, verbose;
-static const char *execute;
-
-#define BUF_SIZE (2084)
-static char buffer[BUF_SIZE];
+static int all, force, thin = 1, verbose;
+static const char *receivepack;
 
 static const char **refspec;
 static int refspec_nr;
@@ -27,199 +23,47 @@ static void add_refspec(const char *ref)
        refspec_nr = nr;
 }
 
-static int expand_one_ref(const char *ref, const unsigned char *sha1, int flag, void *cb_data)
-{
-       /* Ignore the "refs/" at the beginning of the refname */
-       ref += 5;
-
-       if (!strncmp(ref, "tags/", 5))
-               add_refspec(xstrdup(ref));
-       return 0;
-}
-
-static void expand_refspecs(void)
-{
-       if (all) {
-               if (refspec_nr)
-                       die("cannot mix '--all' and a refspec");
-
-               /*
-                * No need to expand "--all" - we'll just use
-                * the "--all" flag to send-pack
-                */
-               return;
-       }
-       if (!tags)
-               return;
-       for_each_ref(expand_one_ref, NULL);
-}
-
 static void set_refspecs(const char **refs, int nr)
 {
-       if (nr) {
-               size_t bytes = nr * sizeof(char *);
-
-               refspec = xrealloc(refspec, bytes);
-               memcpy(refspec, refs, bytes);
-               refspec_nr = nr;
-       }
-       expand_refspecs();
-}
-
-static int get_remotes_uri(const char *repo, const char *uri[MAX_URI])
-{
-       int n = 0;
-       FILE *f = fopen(git_path("remotes/%s", repo), "r");
-       int has_explicit_refspec = refspec_nr || all || tags;
-
-       if (!f)
-               return -1;
-       while (fgets(buffer, BUF_SIZE, f)) {
-               int is_refspec;
-               char *s, *p;
-
-               if (!strncmp("URL:", buffer, 4)) {
-                       is_refspec = 0;
-                       s = buffer + 4;
-               } else if (!strncmp("Push:", buffer, 5)) {
-                       is_refspec = 1;
-                       s = buffer + 5;
-               } else
-                       continue;
-
-               /* Remove whitespace at the head.. */
-               while (isspace(*s))
-                       s++;
-               if (!*s)
-                       continue;
-
-               /* ..and at the end */
-               p = s + strlen(s);
-               while (isspace(p[-1]))
-                       *--p = 0;
-
-               if (!is_refspec) {
-                       if (n < MAX_URI)
-                               uri[n++] = xstrdup(s);
-                       else
-                               error("more than %d URL's specified, ignoring the rest", MAX_URI);
-               }
-               else if (is_refspec && !has_explicit_refspec)
-                       add_refspec(xstrdup(s));
-       }
-       fclose(f);
-       if (!n)
-               die("remote '%s' has no URL", repo);
-       return n;
-}
-
-static const char **config_uri;
-static const char *config_repo;
-static int config_repo_len;
-static int config_current_uri;
-static int config_get_refspecs;
-
-static int get_remote_config(const char* key, const char* value)
-{
-       if (!strncmp(key, "remote.", 7) &&
-           !strncmp(key + 7, config_repo, config_repo_len)) {
-               if (!strcmp(key + 7 + config_repo_len, ".url")) {
-                       if (config_current_uri < MAX_URI)
-                               config_uri[config_current_uri++] = xstrdup(value);
-                       else
-                               error("more than %d URL's specified, ignoring the rest", MAX_URI);
+       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;
+                       tag = xmalloc(len);
+                       strcpy(tag, "refs/tags/");
+                       strcat(tag, refs[i]);
+                       ref = tag;
                }
-               else if (config_get_refspecs &&
-                        !strcmp(key + 7 + config_repo_len, ".push"))
-                       add_refspec(xstrdup(value));
+               add_refspec(ref);
        }
-       return 0;
-}
-
-static int get_config_remotes_uri(const char *repo, const char *uri[MAX_URI])
-{
-       config_repo_len = strlen(repo);
-       config_repo = repo;
-       config_current_uri = 0;
-       config_uri = uri;
-       config_get_refspecs = !(refspec_nr || all || tags);
-
-       git_config(get_remote_config);
-       return config_current_uri;
-}
-
-static int get_branches_uri(const char *repo, const char *uri[MAX_URI])
-{
-       const char *slash = strchr(repo, '/');
-       int n = slash ? slash - repo : 1000;
-       FILE *f = fopen(git_path("branches/%.*s", n, repo), "r");
-       char *s, *p;
-       int len;
-
-       if (!f)
-               return 0;
-       s = fgets(buffer, BUF_SIZE, f);
-       fclose(f);
-       if (!s)
-               return 0;
-       while (isspace(*s))
-               s++;
-       if (!*s)
-               return 0;
-       p = s + strlen(s);
-       while (isspace(p[-1]))
-               *--p = 0;
-       len = p - s;
-       if (slash)
-               len += strlen(slash);
-       p = xmalloc(len + 1);
-       strcpy(p, s);
-       if (slash)
-               strcat(p, slash);
-       uri[0] = p;
-       return 1;
-}
-
-/*
- * Read remotes and branches file, fill the push target URI
- * list.  If there is no command line refspecs, read Push: lines
- * to set up the *refspec list as well.
- * return the number of push target URIs
- */
-static int read_config(const char *repo, const char *uri[MAX_URI])
-{
-       int n;
-
-       if (*repo != '/') {
-               n = get_remotes_uri(repo, uri);
-               if (n > 0)
-                       return n;
-
-               n = get_config_remotes_uri(repo, uri);
-               if (n > 0)
-                       return n;
-
-               n = get_branches_uri(repo, uri);
-               if (n > 0)
-                       return n;
-       }
-
-       uri[0] = repo;
-       return 1;
 }
 
 static int do_push(const char *repo)
 {
-       const char *uri[MAX_URI];
-       int i, n;
+       int i, errs;
        int common_argc;
        const char **argv;
        int argc;
+       struct remote *remote = remote_get(repo);
 
-       n = read_config(repo, uri);
-       if (n <= 0)
+       if (!remote)
                die("bad repository '%s'", repo);
 
+       if (remote->receivepack) {
+               char *rp = xmalloc(strlen(remote->receivepack) + 16);
+               sprintf(rp, "--receive-pack=%s", remote->receivepack);
+               receivepack = rp;
+       }
+       if (!refspec && !all && remote->push_refspec_nr) {
+               refspec = remote->push_refspec;
+               refspec_nr = remote->push_refspec_nr;
+       }
+
        argv = xmalloc((refspec_nr + 10) * sizeof(char *));
        argv[0] = "dummy-send-pack";
        argc = 1;
@@ -227,22 +71,28 @@ static int do_push(const char *repo)
                argv[argc++] = "--all";
        if (force)
                argv[argc++] = "--force";
-       if (execute)
-               argv[argc++] = execute;
+       if (receivepack)
+               argv[argc++] = receivepack;
        common_argc = argc;
 
-       for (i = 0; i < n; i++) {
+       errs = 0;
+       for (i = 0; i < remote->uri_nr; i++) {
                int err;
                int dest_argc = common_argc;
                int dest_refspec_nr = refspec_nr;
                const char **dest_refspec = refspec;
-               const char *dest = uri[i];
-               const char *sender = "git-send-pack";
-               if (!strncmp(dest, "http://", 7) ||
-                   !strncmp(dest, "https://", 8))
-                       sender = "git-http-push";
-               else if (thin)
-                       argv[dest_argc++] = "--thin";
+               const char *dest = remote->uri[i];
+               const char *sender = "send-pack";
+               if (!prefixcmp(dest, "http://") ||
+                   !prefixcmp(dest, "https://"))
+                       sender = "http-push";
+               else {
+                       char *rem = xmalloc(strlen(remote->name) + 10);
+                       sprintf(rem, "--remote=%s", remote->name);
+                       argv[dest_argc++] = rem;
+                       if (thin)
+                               argv[dest_argc++] = "--thin";
+               }
                argv[0] = sender;
                argv[dest_argc++] = dest;
                while (dest_refspec_nr--)
@@ -250,30 +100,32 @@ static int do_push(const char *repo)
                argv[dest_argc] = NULL;
                if (verbose)
                        fprintf(stderr, "Pushing to %s\n", dest);
-               err = run_command_v(argc, argv);
+               err = run_command_v_opt(argv, RUN_GIT_CMD);
                if (!err)
                        continue;
+
+               error("failed to push to '%s'", remote->uri[i]);
                switch (err) {
                case -ERR_RUN_COMMAND_FORK:
-                       die("unable to fork for %s", sender);
+                       error("unable to fork for %s", sender);
                case -ERR_RUN_COMMAND_EXEC:
-                       die("unable to exec %s", sender);
+                       error("unable to exec %s", sender);
+                       break;
                case -ERR_RUN_COMMAND_WAITPID:
                case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
                case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
                case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
-                       die("%s died with strange error", sender);
-               default:
-                       return -err;
+                       error("%s died with strange error", sender);
                }
+               errs++;
        }
-       return 0;
+       return !!errs;
 }
 
 int cmd_push(int argc, const char **argv, const char *prefix)
 {
        int i;
-       const char *repo = "origin";    /* default repository */
+       const char *repo = NULL;        /* default repository */
 
        for (i = 1; i < argc; i++) {
                const char *arg = argv[i];
@@ -287,7 +139,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                        verbose=1;
                        continue;
                }
-               if (!strncmp(arg, "--repo=", 7)) {
+               if (!prefixcmp(arg, "--repo=")) {
                        repo = arg+7;
                        continue;
                }
@@ -296,7 +148,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                        continue;
                }
                if (!strcmp(arg, "--tags")) {
-                       tags = 1;
+                       add_refspec("refs/tags/*");
                        continue;
                }
                if (!strcmp(arg, "--force") || !strcmp(arg, "-f")) {
@@ -311,12 +163,19 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                        thin = 0;
                        continue;
                }
-               if (!strncmp(arg, "--exec=", 7)) {
-                       execute = arg;
+               if (!prefixcmp(arg, "--receive-pack=")) {
+                       receivepack = arg;
+                       continue;
+               }
+               if (!prefixcmp(arg, "--exec=")) {
+                       receivepack = arg;
                        continue;
                }
                usage(push_usage);
        }
        set_refspecs(argv + i, argc - i);
+       if (all && refspec)
+               usage(push_usage);
+
        return do_push(repo);
 }