Merge branch 'np/maint-limit-delta-cache'

diff --git a/builtin-log.c b/builtin-log.c
index 44f9a27daec612db6d0f0e502c99d5e5ecaaf842..3817bf11864dbe5bff2c1004abec2b97210a0c36 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -27,6 +27,10 @@ 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)
 {
@@ -61,6 +65,8 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
                        rev->show_decorations = 1;
                } else if (!strcmp(arg, "--source")) {
                        rev->show_source = 1;
+               } else if (!strcmp(arg, "-h")) {
+                       usage(builtin_log_usage);
                } else
                        die("unrecognized argument: %s", arg);
        }
@@ -257,7 +263,7 @@ static void show_tagger(char *buf, int len, struct rev_info *rev)
        pp_user_info("Tagger", rev->commit_format, &out, buf, rev->date_mode,
                git_log_output_encoding ?
                git_log_output_encoding: git_commit_encoding);
-       printf("%s\n", out.buf);
+       printf("%s", out.buf);
        strbuf_release(&out);
 }
 
@@ -329,11 +335,14 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                case OBJ_TAG: {
                        struct tag *t = (struct tag *)o;
 
+                       if (rev.shown_one)
+                               putchar('\n');
                        printf("%stag %s%s\n",
                                        diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
                                        t->tag,
                                        diff_get_color_opt(&rev.diffopt, DIFF_RESET));
                        ret = show_object(o->sha1, 1, &rev);
+                       rev.shown_one = 1;
                        if (ret)
                                break;
                        o = parse_object(t->tagged->sha1);
@@ -345,12 +354,15 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                        break;
                }
                case OBJ_TREE:
+                       if (rev.shown_one)
+                               putchar('\n');
                        printf("%stree %s%s\n\n",
                                        diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
                                        name,
                                        diff_get_color_opt(&rev.diffopt, DIFF_RESET));
                        read_tree_recursive((struct tree *)o, "", 0, 0, NULL,
                                        show_tree_object, NULL);
+                       rev.shown_one = 1;
                        break;
                case OBJ_COMMIT:
                        rev.pending.nr = rev.pending.alloc = 0;
@@ -1013,8 +1025,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                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);
+                       die_errno("Could not create directory '%s'",
+                                 output_directory);
        }
 
        if (rev.pending.nr == 1) {