]> git.ipfire.org Git - thirdparty/git.git/blobdiff - upload-pack.c
Merge branch 'np/maint-sideband-favor-status'
[thirdparty/git.git] / upload-pack.c
index 8734f1d1b958f0ddbe1f88b783f1fbfb6003814f..953ebe1a6030d8476fbebd0b060d3651cfde8f2f 100644 (file)
@@ -28,9 +28,11 @@ static unsigned long oldest_have;
 
 static int multi_ack, nr_our_refs;
 static int use_thin_pack, use_ofs_delta, use_include_tag;
-static int no_progress;
+static int no_progress, daemon_mode;
+static int shallow_nr;
 static struct object_array have_obj;
 static struct object_array want_obj;
+static struct object_array extra_edge_obj;
 static unsigned int timeout;
 /* 0 for no sideband,
  * otherwise maximum packet size (up to 65520 bytes).
@@ -66,7 +68,7 @@ static ssize_t send_client_data(int fd, const char *data, ssize_t sz)
 }
 
 static FILE *pack_pipe = NULL;
-static void show_commit(struct commit *commit)
+static void show_commit(struct commit *commit, void *data)
 {
        if (commit->object.flags & BOUNDARY)
                fputc('-', pack_pipe);
@@ -106,9 +108,7 @@ static int do_rev_list(int fd, void *create_full_pack)
        int i;
        struct rev_info revs;
 
-       pack_pipe = fdopen(fd, "w");
-       if (create_full_pack)
-               use_thin_pack = 0; /* no point doing it */
+       pack_pipe = xfdopen(fd, "w");
        init_revisions(&revs, NULL);
        revs.tag_objects = 1;
        revs.tree_objects = 1;
@@ -136,14 +136,76 @@ static int do_rev_list(int fd, void *create_full_pack)
        if (prepare_revision_walk(&revs))
                die("revision walk setup failed");
        mark_edges_uninteresting(revs.commits, &revs, show_edge);
-       traverse_commit_list(&revs, show_commit, show_object);
+       if (use_thin_pack)
+               for (i = 0; i < extra_edge_obj.nr; i++)
+                       fprintf(pack_pipe, "-%s\n", sha1_to_hex(
+                                       extra_edge_obj.objects[i].item->sha1));
+       traverse_commit_list(&revs, show_commit, show_object, NULL);
        fflush(pack_pipe);
        fclose(pack_pipe);
        return 0;
 }
 
+static int feed_msg_to_hook(int fd, const char *fmt, ...)
+{
+       int cnt;
+       char buf[1024];
+       va_list params;
+
+       va_start(params, fmt);
+       cnt = vsprintf(buf, fmt, params);
+       va_end(params);
+       return write_in_full(fd, buf, cnt) != cnt;
+}
+
+static int feed_obj_to_hook(const char *label, struct object_array *oa, int i, int fd)
+{
+       return feed_msg_to_hook(fd, "%s %s\n", label,
+                               sha1_to_hex(oa->objects[i].item->sha1));
+}
+
+static int run_post_upload_pack_hook(size_t total, struct timeval *tv)
+{
+       const char *argv[2];
+       struct child_process proc;
+       int err, i;
+
+       argv[0] = "hooks/post-upload-pack";
+       argv[1] = NULL;
+
+       if (access(argv[0], X_OK) < 0)
+               return 0;
+
+       memset(&proc, 0, sizeof(proc));
+       proc.argv = argv;
+       proc.in = -1;
+       proc.stdout_to_stderr = 1;
+       err = start_command(&proc);
+       if (err)
+               return err;
+       for (i = 0; !err && i < want_obj.nr; i++)
+               err |= feed_obj_to_hook("want", &want_obj, i, proc.in);
+       for (i = 0; !err && i < have_obj.nr; i++)
+               err |= feed_obj_to_hook("have", &have_obj, i, proc.in);
+       if (!err)
+               err |= feed_msg_to_hook(proc.in, "time %ld.%06ld\n",
+                                       (long)tv->tv_sec, (long)tv->tv_usec);
+       if (!err)
+               err |= feed_msg_to_hook(proc.in, "size %ld\n", (long)total);
+       if (!err)
+               err |= feed_msg_to_hook(proc.in, "kind %s\n",
+                                       (nr_our_refs == want_obj.nr && !have_obj.nr)
+                                       ? "clone" : "fetch");
+       if (close(proc.in))
+               err = 1;
+       if (finish_command(&proc))
+               err = 1;
+       return err;
+}
+
 static void create_pack_file(void)
 {
+       struct timeval start_tv, tv;
        struct async rev_list;
        struct child_process pack_objects;
        int create_full_pack = (nr_our_refs == want_obj.nr && !have_obj.nr);
@@ -151,17 +213,27 @@ static void create_pack_file(void)
        char abort_msg[] = "aborting due to possible repository "
                "corruption on the remote side.";
        int buffered = -1;
-       ssize_t sz;
+       ssize_t sz, total_sz;
        const char *argv[10];
        int arg = 0;
 
-       rev_list.proc = do_rev_list;
-       /* .data is just a boolean: any non-NULL value will do */
-       rev_list.data = create_full_pack ? &rev_list : NULL;
-       if (start_async(&rev_list))
-               die("git upload-pack: unable to fork git-rev-list");
+       gettimeofday(&start_tv, NULL);
+       total_sz = 0;
+       if (shallow_nr) {
+               rev_list.proc = do_rev_list;
+               rev_list.data = 0;
+               if (start_async(&rev_list))
+                       die("git upload-pack: unable to fork git-rev-list");
+               argv[arg++] = "pack-objects";
+       } else {
+               argv[arg++] = "pack-objects";
+               argv[arg++] = "--revs";
+               if (create_full_pack)
+                       argv[arg++] = "--all";
+               else if (use_thin_pack)
+                       argv[arg++] = "--thin";
+       }
 
-       argv[arg++] = "pack-objects";
        argv[arg++] = "--stdout";
        if (!no_progress)
                argv[arg++] = "--progress";
@@ -172,7 +244,7 @@ static void create_pack_file(void)
        argv[arg++] = NULL;
 
        memset(&pack_objects, 0, sizeof(pack_objects));
-       pack_objects.in = rev_list.out; /* start_command closes it */
+       pack_objects.in = shallow_nr ? rev_list.out : -1;
        pack_objects.out = -1;
        pack_objects.err = -1;
        pack_objects.git_cmd = 1;
@@ -181,6 +253,24 @@ static void create_pack_file(void)
        if (start_command(&pack_objects))
                die("git upload-pack: unable to fork git-pack-objects");
 
+       /* pass on revisions we (don't) want */
+       if (!shallow_nr) {
+               FILE *pipe_fd = xfdopen(pack_objects.in, "w");
+               if (!create_full_pack) {
+                       int i;
+                       for (i = 0; i < want_obj.nr; i++)
+                               fprintf(pipe_fd, "%s\n", sha1_to_hex(want_obj.objects[i].item->sha1));
+                       fprintf(pipe_fd, "--not\n");
+                       for (i = 0; i < have_obj.nr; i++)
+                               fprintf(pipe_fd, "%s\n", sha1_to_hex(have_obj.objects[i].item->sha1));
+               }
+
+               fprintf(pipe_fd, "\n");
+               fflush(pipe_fd);
+               fclose(pipe_fd);
+       }
+
+
        /* We read from pack_objects.err to capture stderr output for
         * progress bar, and pack_objects.out to capture the pack data.
         */
@@ -254,7 +344,7 @@ static void create_pack_file(void)
                        sz = xread(pack_objects.out, cp,
                                  sizeof(data) - outsz);
                        if (0 < sz)
-                                       ;
+                               total_sz += sz;
                        else if (sz == 0) {
                                close(pack_objects.out);
                                pack_objects.out = -1;
@@ -278,7 +368,7 @@ static void create_pack_file(void)
                error("git upload-pack: git-pack-objects died with error.");
                goto fail;
        }
-       if (finish_async(&rev_list))
+       if (shallow_nr && finish_async(&rev_list))
                goto fail;      /* error was already reported */
 
        /* flush the data */
@@ -291,6 +381,16 @@ static void create_pack_file(void)
        }
        if (use_sideband)
                packet_flush(1);
+
+       gettimeofday(&tv, NULL);
+       tv.tv_sec -= start_tv.tv_sec;
+       if (tv.tv_usec < start_tv.tv_usec) {
+               tv.tv_sec--;
+               tv.tv_usec += 1000000;
+       }
+       tv.tv_usec -= start_tv.tv_usec;
+       if (run_post_upload_pack_hook(total_sz, &tv))
+               warning("post-upload-hook failed");
        return;
 
  fail:
@@ -401,12 +501,11 @@ static int get_common_commits(void)
        static char line[1000];
        unsigned char sha1[20];
        char hex[41], last_hex[41];
-       int len;
 
        save_commit_buffer = 0;
 
-       for(;;) {
-               len = packet_read_line(0, line, sizeof(line));
+       for (;;) {
+               int len = packet_read_line(0, line, sizeof(line));
                reset_timeout();
 
                if (!len) {
@@ -414,7 +513,7 @@ static int get_common_commits(void)
                                packet_write(1, "NAK\n");
                        continue;
                }
-               len = strip(line, len);
+               strip(line, len);
                if (!prefixcmp(line, "have ")) {
                        switch (got_sha1(line+5, sha1)) {
                        case -1: /* they have what we do not */
@@ -454,8 +553,9 @@ static void receive_needs(void)
        static char line[1000];
        int len, depth = 0;
 
+       shallow_nr = 0;
        if (debug_fd)
-               write_in_full(debug_fd, "#S\n", 3);
+               write_str_in_full(debug_fd, "#S\n");
        for (;;) {
                struct object *o;
                unsigned char sha1_buf[20];
@@ -469,7 +569,6 @@ static void receive_needs(void)
                if (!prefixcmp(line, "shallow ")) {
                        unsigned char sha1[20];
                        struct object *object;
-                       use_thin_pack = 0;
                        if (get_sha1(line + 8, sha1))
                                die("invalid shallow line: %s", line);
                        object = parse_object(sha1);
@@ -481,7 +580,6 @@ static void receive_needs(void)
                }
                if (!prefixcmp(line, "deepen ")) {
                        char *end;
-                       use_thin_pack = 0;
                        depth = strtol(line + 7, &end, 0);
                        if (end == line + 7 || depth <= 0)
                                die("Invalid deepen: %s", line);
@@ -523,7 +621,11 @@ static void receive_needs(void)
                }
        }
        if (debug_fd)
-               write_in_full(debug_fd, "#E\n", 3);
+               write_str_in_full(debug_fd, "#E\n");
+
+       if (!use_sideband && daemon_mode)
+               no_progress = 1;
+
        if (depth == 0 && shallows.nr == 0)
                return;
        if (depth > 0) {
@@ -537,6 +639,7 @@ static void receive_needs(void)
                                packet_write(1, "shallow %s",
                                                sha1_to_hex(object->sha1));
                                register_shallow(object->sha1);
+                               shallow_nr++;
                        }
                        result = result->next;
                }
@@ -559,6 +662,7 @@ static void receive_needs(void)
                                                        NULL, &want_obj);
                                        parents = parents->next;
                                }
+                               add_object_array(object, NULL, &extra_edge_obj);
                        }
                        /* make sure commit traversal conforms to client */
                        register_shallow(object->sha1);
@@ -570,6 +674,8 @@ static void receive_needs(void)
                        for (i = 0; i < shallows.nr; i++)
                                register_shallow(shallows.objects[i].item->sha1);
                }
+
+       shallow_nr += shallows.nr;
        free(shallows.objects);
 }
 
@@ -621,6 +727,7 @@ int main(int argc, char **argv)
        int strict = 0;
 
        git_extract_argv0_path(argv[0]);
+       read_replace_refs = 0;
 
        for (i = 1; i < argc; i++) {
                char *arg = argv[i];
@@ -633,6 +740,7 @@ int main(int argc, char **argv)
                }
                if (!prefixcmp(arg, "--timeout=")) {
                        timeout = atoi(arg+10);
+                       daemon_mode = 1;
                        continue;
                }
                if (!strcmp(arg, "--")) {
@@ -649,7 +757,7 @@ int main(int argc, char **argv)
        dir = argv[i];
 
        if (!enter_repo(dir, strict))
-               die("'%s': unable to chdir or not a git archive", dir);
+               die("'%s' does not appear to be a git repository", dir);
        if (is_repository_shallow())
                die("attempt to fetch/clone from a shallow repository");
        if (getenv("GIT_DEBUG_SEND_PACK"))