Teach fmt-patch about --keep-subject
[git.git] / builtin-log.c
index 53a47c9..0027998 100644 (file)
@@ -78,7 +78,7 @@ static int istitlechar(char c)
 static FILE *realstdout = NULL;
 static char *output_directory = NULL;
 
-static void reopen_stdout(struct commit *commit, int nr)
+static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
 {
        char filename[1024];
        char *sol;
@@ -100,7 +100,7 @@ static void reopen_stdout(struct commit *commit, int nr)
 
                sol += 2;
                /* strip [PATCH] or [PATCH blabla] */
-               if (!strncmp(sol, "[PATCH", 6)) {
+               if (!keep_subject && !strncmp(sol, "[PATCH", 6)) {
                        char *eos = strchr(sol + 6, ']');
                        if (eos) {
                                while (isspace(*eos))
@@ -137,6 +137,8 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        struct rev_info rev;
        int nr = 0, total, i, j;
        int use_stdout = 0;
+       int numbered = 0;
+       int keep_subject = 0;
 
        init_revisions(&rev);
        rev.commit_format = CMIT_FMT_EMAIL;
@@ -156,7 +158,14 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        for (i = 1, j = 1; i < argc; i++) {
                if (!strcmp(argv[i], "--stdout"))
                        use_stdout = 1;
-               else if (!strcmp(argv[i], "-o")) {
+               else if (!strcmp(argv[i], "-n") ||
+                               !strcmp(argv[i], "--numbered"))
+                       numbered = 1;
+               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)
@@ -169,6 +178,9 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        }
        argc = j;
 
+       if (numbered && keep_subject < 0)
+               die ("-n and -k are mutually exclusive.");
+
        argc = setup_revisions(argc, argv, &rev, "HEAD");
        if (argc > 1)
                die ("unrecognized argument: %s", argv[1]);
@@ -186,11 +198,14 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
                list[nr - 1] = commit;
        }
        total = nr;
+       if (numbered)
+               rev.total = total;
        while (0 <= --nr) {
                int shown;
                commit = list[nr];
+               rev.nr = total - nr;
                if (!use_stdout)
-                       reopen_stdout(commit, total - nr);
+                       reopen_stdout(commit, rev.nr, keep_subject);
                shown = log_tree_commit(&rev, commit);
                free(commit->buffer);
                commit->buffer = NULL;