Document git-svn's first-parent rule

[git.git] / builtin-log.c

diff --git a/builtin-log.c b/builtin-log.c
index 30358166e64c5745e979e6231a5de5e0e5111119..fb5308220dc36ef9324326638dd67756c9930503 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -27,10 +27,15 @@ static int default_show_root = 1;
 static const char *fmt_patch_subject_prefix = "PATCH";
 static const char *fmt_pretty;
 
+static const char * const builtin_log_usage =
+       "git log [<options>] [<since>..<until>] [[--] <path>...]\n"
+       "   or: git show [options] <object>...";
+
 static void cmd_log_init(int argc, const char **argv, const char *prefix,
                      struct rev_info *rev)
 {
        int i;
+       int decoration_style = 0;
 
        rev->abbrev = DEFAULT_ABBREV;
        rev->commit_format = CMIT_FMT_DEFAULT;
@@ -57,13 +62,26 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
        for (i = 1; i < argc; i++) {
                const char *arg = argv[i];
                if (!strcmp(arg, "--decorate")) {
-                       load_ref_decorations();
-                       rev->show_decorations = 1;
+                       decoration_style = DECORATE_SHORT_REFS;
+               } else if (!prefixcmp(arg, "--decorate=")) {
+                       const char *v = skip_prefix(arg, "--decorate=");
+                       if (!strcmp(v, "full"))
+                               decoration_style = DECORATE_FULL_REFS;
+                       else if (!strcmp(v, "short"))
+                               decoration_style = DECORATE_SHORT_REFS;
+                       else
+                               die("invalid --decorate option: %s", arg);
                } else if (!strcmp(arg, "--source")) {
                        rev->show_source = 1;
+               } else if (!strcmp(arg, "-h")) {
+                       usage(builtin_log_usage);
                } else
                        die("unrecognized argument: %s", arg);
        }
+       if (decoration_style) {
+               rev->show_decorations = 1;
+               load_ref_decorations(decoration_style);
+       }
 }
 
 /*
@@ -664,6 +682,10 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
        log_write_email_headers(rev, head, &subject_start, &extra_headers,
                                &need_8bit_cte);
 
+       for (i = 0; !need_8bit_cte && i < nr; i++)
+               if (has_non_ascii(list[i]->buffer))
+                       need_8bit_cte = 1;
+
        msg = body;
        pp_user_info(NULL, CMIT_FMT_EMAIL, &sb, committer, DATE_RFC2822,
                     encoding);
@@ -869,6 +891,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        struct patch_ids ids;
        char *add_signoff = NULL;
        struct strbuf buf = STRBUF_INIT;
+       int use_patch_format = 0;
        const struct option builtin_format_patch_options[] = {
                { OPTION_CALLBACK, 'n', "numbered", &numbered, NULL,
                            "use [PATCH n/m] even with a single patch",
@@ -898,6 +921,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                            PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback },
                OPT_BOOLEAN(0, "no-binary", &no_binary_diff,
                            "don't output binary diffs"),
+               OPT_BOOLEAN('p', NULL, &use_patch_format,
+                       "show patch format instead of default (patch + stat)"),
                OPT_BOOLEAN(0, "ignore-if-in-upstream", &ignore_if_in_upstream,
                            "don't include a patch matching a commit upstream"),
                OPT_GROUP("Messaging"),
@@ -1005,8 +1030,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        if (argc > 1)
                die ("unrecognized argument: %s", argv[1]);
 
-       if (!rev.diffopt.output_format
-               || rev.diffopt.output_format == DIFF_FORMAT_PATCH)
+       if (use_patch_format)
+               rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
+       else if (!rev.diffopt.output_format ||
+                 rev.diffopt.output_format == DIFF_FORMAT_PATCH)
                rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY | DIFF_FORMAT_PATCH;
 
        if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff)
@@ -1282,8 +1309,9 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
 
                if (verbose) {
                        struct strbuf buf = STRBUF_INIT;
+                       struct pretty_print_context ctx = {0};
                        pretty_print_commit(CMIT_FMT_ONELINE, commit,
-                                           &buf, 0, NULL, NULL, 0, 0);
+                                           &buf, &ctx);
                        printf("%c %s %s\n", sign,
                               sha1_to_hex(commit->object.sha1), buf.buf);
                        strbuf_release(&buf);