Merge branch 'pb/config' into next
[gitweb.git] / builtin-log.c
index a39aed6d86d77026c6178556ee59a05981d70776..5a8a50b81dabea4ccd9b0ba0fcb5d925a00560d0 100644 (file)
@@ -11,6 +11,9 @@
 #include "log-tree.h"
 #include "builtin.h"
 
+/* this is in builtin-diff.c */
+void add_head(struct rev_info *revs);
+
 static int cmd_log_wc(int argc, const char **argv, char **envp,
                      struct rev_info *rev)
 {
@@ -20,6 +23,13 @@ static int cmd_log_wc(int argc, const char **argv, char **envp,
        rev->commit_format = CMIT_FMT_DEFAULT;
        rev->verbose_header = 1;
        argc = setup_revisions(argc, argv, rev, "HEAD");
+       if (rev->always_show_header) {
+               if (rev->diffopt.pickaxe || rev->diffopt.filter) {
+                       rev->always_show_header = 0;
+                       if (rev->diffopt.output_format == DIFF_FORMAT_RAW)
+                               rev->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT;
+               }
+       }
 
        if (argc > 1)
                die("unrecognized argument: %s", argv[1]);
@@ -30,6 +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;
 }
@@ -41,6 +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);
 }
 
@@ -69,12 +82,95 @@ int cmd_log(int argc, const char **argv, char **envp)
        return cmd_log_wc(argc, argv, envp, &rev);
 }
 
+static int istitlechar(char c)
+{
+       return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
+               (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 const char *output_directory = NULL;
+
+static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
+{
+       char filename[1024];
+       char *sol;
+       int len = 0;
+
+       if (output_directory) {
+               safe_strncpy(filename, output_directory, 1010);
+               len = strlen(filename);
+               if (filename[len - 1] != '/')
+                       filename[len++] = '/';
+       }
+
+       sprintf(filename + len, "%04d", nr);
+       len = strlen(filename);
+
+       sol = strstr(commit->buffer, "\n\n");
+       if (sol) {
+               int j, space = 1;
+
+               sol += 2;
+               /* strip [PATCH] or [PATCH blabla] */
+               if (!keep_subject && !strncmp(sol, "[PATCH", 6)) {
+                       char *eos = strchr(sol + 6, ']');
+                       if (eos) {
+                               while (isspace(*eos))
+                                       eos++;
+                               sol = eos;
+                       }
+               }
+
+               for (j = 0; len < 1024 - 6 && sol[j] && sol[j] != '\n'; j++) {
+                       if (istitlechar(sol[j])) {
+                               if (space) {
+                                       filename[len++] = '-';
+                                       space = 0;
+                               }
+                               filename[len++] = sol[j];
+                               if (sol[j] == '.')
+                                       while (sol[j + 1] == '.')
+                                               j++;
+                       } else
+                               space = 1;
+               }
+               while (filename[len - 1] == '.' || filename[len - 1] == '-')
+                       len--;
+       }
+       strcpy(filename + len, ".txt");
+       fprintf(realstdout, "%s\n", filename);
+       freopen(filename, "w", stdout);
+}
+
 int cmd_format_patch(int argc, const char **argv, char **envp)
 {
        struct commit *commit;
        struct commit **list = NULL;
        struct rev_info rev;
-       int nr = 0;
+       int nr = 0, total, i, j;
+       int use_stdout = 0;
+       int numbered = 0;
+       int start_number = -1;
+       int keep_subject = 0;
+       char *add_signoff = NULL;
 
        init_revisions(&rev);
        rev.commit_format = CMIT_FMT_EMAIL;
@@ -85,22 +181,131 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        rev.combine_merges = 0;
        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
+        * possibly a valid SHA1.
+        */
+       for (i = 1, j = 1; i < argc; i++) {
+               if (!strcmp(argv[i], "--stdout"))
+                       use_stdout = 1;
+               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], "--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
+                       argv[j++] = argv[i];
+       }
+       argc = j;
+
+       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 (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 (!use_stdout)
+               realstdout = fdopen(dup(1), "w");
 
        prepare_revision_walk(&rev);
        while ((commit = get_revision(&rev)) != NULL) {
+               /* ignore merges */
+               if (commit->parents && commit->parents->next)
+                       continue;
                nr++;
                list = realloc(list, nr * sizeof(list[0]));
                list[nr - 1] = commit;
        }
+       total = nr;
+       if (numbered)
+               rev.total = total + start_number - 1;
+       rev.add_signoff = add_signoff;
        while (0 <= --nr) {
                int shown;
                commit = list[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;
-               if (shown)
-                       printf("-- \n%s\n\n", git_version_string);
+
+               /* 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",
+                                      mime_boundary_leader,
+                                      rev.mime_boundary);
+                       else
+                               printf("-- \n%s\n\n", git_version_string);
+               }
+               if (!use_stdout)
+                       fclose(stdout);
        }
        free(list);
        return 0;