Fixes for option parsing

Make sure "git show" always show the header, regardless of whether there
is a diff or not.

Also, make sure "always_show_header" actually works, since generate_header
only tested it in one out of three return paths.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git.c b/git.c
index c5de8d3..fc4e429 100644 (file)
--- a/git.c
+++ b/git.c
@@ -373,6 +373,7 @@ static int cmd_show(int argc, const char **argv, char **envp)
        rev.diffopt.recursive = 1;
        rev.combine_merges = 1;
        rev.dense_combined_merges = 1;
+       rev.always_show_header = 1;
        rev.ignore_merges = 0;
        rev.no_walk = 1;
        return cmd_log_wc(argc, argv, envp, &rev);

diff --git a/log-tree.c b/log-tree.c
index 7d9f41e..af36f70 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -43,7 +43,7 @@ static int diff_root_tree(struct rev_info *opt,
        return retval;
 }
 
-static const char *generate_header(struct rev_info *opt,
+static const char *get_header(struct rev_info *opt,
                                   const unsigned char *commit_sha1,
                                   const unsigned char *parent_sha1,
                                   const struct commit *commit)
@@ -75,11 +75,21 @@ static const char *generate_header(struct rev_info *opt,
        offset += pretty_print_commit(opt->commit_format, commit, len,
                                      this_header + offset,
                                      sizeof(this_header) - offset, abbrev);
+       return this_header;
+}
+
+static const char *generate_header(struct rev_info *opt,
+                                       const unsigned char *commit_sha1,
+                                       const unsigned char *parent_sha1,
+                                       const struct commit *commit)
+{
+       const char *header = get_header(opt, commit_sha1, parent_sha1, commit);
+
        if (opt->always_show_header) {
-               puts(this_header);
-               return NULL;
+               puts(header);
+               header = NULL;
        }
-       return this_header;
+       return header;
 }
 
 static int do_diff_combined(struct rev_info *opt, struct commit *commit)