Perl interface: make testsuite work again.
[gitweb.git] / builtin-log.c
index c8feb0f7953a4d431c180e33f9f71d4434a4e51a..f9515a8a4ac8a53e87b6fb9f73e1964350481bfb 100644 (file)
@@ -40,6 +40,8 @@ static int cmd_log_wc(int argc, const char **argv, char **envp,
                log_tree_commit(rev, commit);
                free(commit->buffer);
                commit->buffer = NULL;
+               free_commit_list(commit->parents);
+               commit->parents = NULL;
        }
        return 0;
 }
@@ -51,6 +53,7 @@ int cmd_whatchanged(int argc, const char **argv, char **envp)
        init_revisions(&rev);
        rev.diff = 1;
        rev.diffopt.recursive = 1;
+       rev.simplify_history = 0;
        return cmd_log_wc(argc, argv, envp, &rev);
 }
 
@@ -85,8 +88,25 @@ static int istitlechar(char c)
                (c >= '0' && c <= '9') || c == '.' || c == '_';
 }
 
+static char *extra_headers = NULL;
+static int extra_headers_size = 0;
+
+static int git_format_config(const char *var, const char *value)
+{
+       if (!strcmp(var, "format.headers")) {
+               int len = strlen(value);
+               extra_headers_size += len + 1;
+               extra_headers = realloc(extra_headers, extra_headers_size);
+               extra_headers[extra_headers_size - len - 1] = 0;
+               strcat(extra_headers, value);
+               return 0;
+       }
+       return git_default_config(var, value);
+}
+
+
 static FILE *realstdout = NULL;
-static char *output_directory = NULL;
+static const char *output_directory = NULL;
 
 static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
 {
@@ -95,7 +115,7 @@ static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
        int len = 0;
 
        if (output_directory) {
-               strncpy(filename, output_directory, 1010);
+               strlcpy(filename, output_directory, 1010);
                len = strlen(filename);
                if (filename[len - 1] != '/')
                        filename[len++] = '/';
@@ -140,6 +160,65 @@ static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
        freopen(filename, "w", stdout);
 }
 
+static int get_patch_id(struct commit *commit, struct diff_options *options,
+               unsigned char *sha1)
+{
+       diff_tree_sha1(commit->parents->item->object.sha1, commit->object.sha1,
+                       "", options);
+       diffcore_std(options);
+       return diff_flush_patch_id(options, sha1);
+}
+
+static void get_patch_ids(struct rev_info *rev, struct diff_options *options)
+{
+       struct rev_info check_rev;
+       struct commit *commit;
+       struct object *o1, *o2;
+       unsigned flags1, flags2;
+       unsigned char sha1[20];
+
+       if (rev->pending.nr != 2)
+               die("Need exactly one range.");
+
+       o1 = rev->pending.objects[0].item;
+       flags1 = o1->flags;
+       o2 = rev->pending.objects[1].item;
+       flags2 = o2->flags;
+
+       if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
+               die("Not a range.");
+
+       diff_setup(options);
+       options->recursive = 1;
+       if (diff_setup_done(options) < 0)
+               die("diff_setup_done failed");
+
+       /* given a range a..b get all patch ids for b..a */
+       init_revisions(&check_rev);
+       o1->flags ^= UNINTERESTING;
+       o2->flags ^= UNINTERESTING;
+       add_pending_object(&check_rev, o1, "o1");
+       add_pending_object(&check_rev, o2, "o2");
+       prepare_revision_walk(&check_rev);
+
+       while ((commit = get_revision(&check_rev)) != NULL) {
+               /* ignore merges */
+               if (commit->parents && commit->parents->next)
+                       continue;
+
+               if (!get_patch_id(commit, options, sha1))
+                       created_object(sha1, xcalloc(1, sizeof(struct object)));
+       }
+
+       /* reset for next revision walk */
+       clear_commit_marks((struct commit *)o1,
+                       SEEN | UNINTERESTING | SHOWN | ADDED);
+       clear_commit_marks((struct commit *)o2,
+                       SEEN | UNINTERESTING | SHOWN | ADDED);
+       o1->flags = flags1;
+       o2->flags = flags2;
+}
+
 int cmd_format_patch(int argc, const char **argv, char **envp)
 {
        struct commit *commit;
@@ -148,7 +227,11 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        int nr = 0, total, i, j;
        int use_stdout = 0;
        int numbered = 0;
+       int start_number = -1;
        int keep_subject = 0;
+       int ignore_if_in_upstream = 0;
+       struct diff_options patch_id_opts;
+       char *add_signoff = NULL;
 
        init_revisions(&rev);
        rev.commit_format = CMIT_FMT_EMAIL;
@@ -160,6 +243,9 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        rev.ignore_merges = 1;
        rev.diffopt.output_format = DIFF_FORMAT_PATCH;
 
+       git_config(git_format_config);
+       rev.extra_headers = extra_headers;
+
        /*
         * Parse the arguments before setup_revisions(), or something
         * like "git fmt-patch -o a123 HEAD^.." may fail; a123 is
@@ -171,64 +257,119 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
                else if (!strcmp(argv[i], "-n") ||
                                !strcmp(argv[i], "--numbered"))
                        numbered = 1;
+               else if (!strncmp(argv[i], "--start-number=", 15))
+                       start_number = strtol(argv[i] + 15, NULL, 10);
+               else if (!strcmp(argv[i], "--start-number")) {
+                       i++;
+                       if (i == argc)
+                               die("Need a number for --start-number");
+                       start_number = strtol(argv[i], NULL, 10);
+               }
                else if (!strcmp(argv[i], "-k") ||
                                !strcmp(argv[i], "--keep-subject")) {
                        keep_subject = 1;
                        rev.total = -1;
-               } else if (!strcmp(argv[i], "-o")) {
-                       if (argc < 3)
-                               die ("Which directory?");
-                       if (mkdir(argv[i + 1], 0777) < 0 && errno != EEXIST)
-                               die("Could not create directory %s",
-                                               argv[i + 1]);
-                       output_directory = strdup(argv[i + 1]);
+               }
+               else if (!strcmp(argv[i], "--output-directory") ||
+                        !strcmp(argv[i], "-o")) {
                        i++;
+                       if (argc <= i)
+                               die("Which directory?");
+                       if (output_directory)
+                               die("Two output directories?");
+                       output_directory = argv[i];
+               }
+               else if (!strcmp(argv[i], "--signoff") ||
+                        !strcmp(argv[i], "-s")) {
+                       const char *committer;
+                       const char *endpos;
+                       setup_ident();
+                       committer = git_committer_info(1);
+                       endpos = strchr(committer, '>');
+                       if (!endpos)
+                               die("bogos committer info %s\n", committer);
+                       add_signoff = xmalloc(endpos - committer + 2);
+                       memcpy(add_signoff, committer, endpos - committer + 1);
+                       add_signoff[endpos - committer + 1] = 0;
                }
                else if (!strcmp(argv[i], "--attach"))
                        rev.mime_boundary = git_version_string;
                else if (!strncmp(argv[i], "--attach=", 9))
                        rev.mime_boundary = argv[i] + 9;
+               else if (!strcmp(argv[i], "--ignore-if-in-upstream"))
+                       ignore_if_in_upstream = 1;
                else
                        argv[j++] = argv[i];
        }
        argc = j;
 
-       if (numbered && keep_subject < 0)
+       if (start_number < 0)
+               start_number = 1;
+       if (numbered && keep_subject)
                die ("-n and -k are mutually exclusive.");
 
        argc = setup_revisions(argc, argv, &rev, "HEAD");
        if (argc > 1)
                die ("unrecognized argument: %s", argv[1]);
 
-       if (rev.pending_objects && rev.pending_objects->next == NULL) {
-               rev.pending_objects->item->flags |= UNINTERESTING;
+       if (output_directory) {
+               if (use_stdout)
+                       die("standard output, or directory, which one?");
+               if (mkdir(output_directory, 0777) < 0 && errno != EEXIST)
+                       die("Could not create directory %s",
+                           output_directory);
+       }
+
+       if (rev.pending.nr == 1) {
+               rev.pending.objects[0].item->flags |= UNINTERESTING;
                add_head(&rev);
        }
 
+       if (ignore_if_in_upstream)
+               get_patch_ids(&rev, &patch_id_opts);
+
        if (!use_stdout)
                realstdout = fdopen(dup(1), "w");
 
        prepare_revision_walk(&rev);
        while ((commit = get_revision(&rev)) != NULL) {
+               unsigned char sha1[20];
+
                /* ignore merges */
                if (commit->parents && commit->parents->next)
                        continue;
+
+               if (ignore_if_in_upstream &&
+                               !get_patch_id(commit, &patch_id_opts, sha1) &&
+                               lookup_object(sha1))
+                       continue;
+
                nr++;
                list = realloc(list, nr * sizeof(list[0]));
                list[nr - 1] = commit;
        }
        total = nr;
        if (numbered)
-               rev.total = total;
+               rev.total = total + start_number - 1;
+       rev.add_signoff = add_signoff;
        while (0 <= --nr) {
                int shown;
                commit = list[nr];
-               rev.nr = total - nr;
+               rev.nr = total - nr + (start_number - 1);
                if (!use_stdout)
                        reopen_stdout(commit, rev.nr, keep_subject);
                shown = log_tree_commit(&rev, commit);
                free(commit->buffer);
                commit->buffer = NULL;
+
+               /* We put one extra blank line between formatted
+                * patches and this flag is used by log-tree code
+                * to see if it needs to emit a LF before showing
+                * the log; when using one file per patch, we do
+                * not want the extra blank line.
+                */
+               if (!use_stdout)
+                       rev.shown_one = 0;
                if (shown) {
                        if (rev.mime_boundary)
                                printf("\n--%s%s--\n\n\n",
@@ -240,8 +381,6 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
                if (!use_stdout)
                        fclose(stdout);
        }
-       if (output_directory)
-               free(output_directory);
        free(list);
        return 0;
 }