Merge branch 'sb/read-tree'
[gitweb.git] / upload-pack.c
index e5adbc011e0ab71eeb06a42c4bd40cbea0bf3fa2..f7d308a411d22cf350a6ac4512ee2ebb195f87d7 100644 (file)
@@ -11,7 +11,7 @@
 #include "list-objects.h"
 #include "run-command.h"
 
-static const char upload_pack_usage[] = "git-upload-pack [--strict] [--timeout=nn] <dir>";
+static const char upload_pack_usage[] = "git upload-pack [--strict] [--timeout=nn] <dir>";
 
 /* bits #0..7 in revision.h, #8..10 in commit.c */
 #define THEY_HAVE      (1u << 11)
@@ -28,7 +28,8 @@ 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 unsigned int timeout;
@@ -66,7 +67,7 @@ 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);
@@ -78,20 +79,22 @@ static void show_commit(struct commit *commit)
        commit->buffer = NULL;
 }
 
-static void show_object(struct object_array_entry *p)
+static void show_object(struct object *obj, const struct name_path *path, const char *component)
 {
        /* An object with name "foo\n0000000..." can be used to
         * confuse downstream git-pack-objects very badly.
         */
-       const char *ep = strchr(p->name, '\n');
+       const char *name = path_name(path, component);
+       const char *ep = strchr(name, '\n');
        if (ep) {
-               fprintf(pack_pipe, "%s %.*s\n", sha1_to_hex(p->item->sha1),
-                      (int) (ep - p->name),
-                      p->name);
+               fprintf(pack_pipe, "%s %.*s\n", sha1_to_hex(obj->sha1),
+                      (int) (ep - name),
+                      name);
        }
        else
                fprintf(pack_pipe, "%s %s\n",
-                               sha1_to_hex(p->item->sha1), p->name);
+                               sha1_to_hex(obj->sha1), name);
+       free((char *)name);
 }
 
 static void show_edge(struct commit *commit)
@@ -105,8 +108,6 @@ static int do_rev_list(int fd, void *create_full_pack)
        struct rev_info revs;
 
        pack_pipe = fdopen(fd, "w");
-       if (create_full_pack)
-               use_thin_pack = 0; /* no point doing it */
        init_revisions(&revs, NULL);
        revs.tag_objects = 1;
        revs.tree_objects = 1;
@@ -134,7 +135,7 @@ 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);
+       traverse_commit_list(&revs, show_commit, show_object, NULL);
        fflush(pack_pipe);
        fclose(pack_pipe);
        return 0;
@@ -153,13 +154,21 @@ static void create_pack_file(void)
        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");
+       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";
@@ -170,7 +179,7 @@ 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;
@@ -179,6 +188,24 @@ 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 = fdopen(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.
         */
@@ -274,7 +301,7 @@ 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 */
@@ -397,12 +424,11 @@ 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));
+               int len = packet_read_line(0, line, sizeof(line));
                reset_timeout();
 
                if (!len) {
@@ -410,7 +436,7 @@ 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 */
@@ -450,6 +476,7 @@ 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);
        for (;;) {
@@ -520,6 +547,10 @@ static void receive_needs(void)
        }
        if (debug_fd)
                write_in_full(debug_fd, "#E\n", 3);
+
+       if (!use_sideband && daemon_mode)
+               no_progress = 1;
+
        if (depth == 0 && shallows.nr == 0)
                return;
        if (depth > 0) {
@@ -533,6 +564,7 @@ static void receive_needs(void)
                                packet_write(1, "shallow %s",
                                                sha1_to_hex(object->sha1));
                                register_shallow(object->sha1);
+                               shallow_nr++;
                        }
                        result = result->next;
                }
@@ -566,6 +598,8 @@ 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);
 }
 
@@ -616,6 +650,8 @@ int main(int argc, char **argv)
        int i;
        int strict = 0;
 
+       git_extract_argv0_path(argv[0]);
+
        for (i = 1; i < argc; i++) {
                char *arg = argv[i];
 
@@ -627,6 +663,7 @@ int main(int argc, char **argv)
                }
                if (!prefixcmp(arg, "--timeout=")) {
                        timeout = atoi(arg+10);
+                       daemon_mode = 1;
                        continue;
                }
                if (!strcmp(arg, "--")) {
@@ -643,7 +680,7 @@ 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"))