blame.c: move code to output metainfo into a separate function.

This does not change any behaviour, but just separates out the
code to emit the initial part of the output of each line into a
separate function, since I'll be mucking with it further.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/blame.c b/blame.c
index bf4a1a1ff06d2a923dac63792a4da647831111d5..47471e88897a5c03fa59ecbfe4b7f6cd7619a918 100644 (file)
--- a/blame.c
+++ b/blame.c
@@ -750,6 +750,42 @@ static int find_orig_linenum(struct util_info *u, int lineno)
        return 0;
 }
 
+static void emit_meta(struct commit *c, int lno,
+                     int sha1_len, int compatibility,
+                     int show_name, int show_number, int show_raw_time,
+                     int longest_file, int longest_author,
+                     int max_digits, int max_orig_digits)
+{
+       struct util_info *u;
+       int lineno;
+       struct commit_info ci;
+
+       u = c->util;
+       lineno = find_orig_linenum(u, lno);
+
+       get_commit_info(c, &ci);
+       fwrite(sha1_to_hex(c->object.sha1), sha1_len, 1, stdout);
+       if (compatibility) {
+               printf("\t(%10s\t%10s\t%d)", ci.author,
+                      format_time(ci.author_time, ci.author_tz,
+                                  show_raw_time),
+                      lno + 1);
+       }
+       else {
+               if (show_name)
+                       printf(" %-*.*s", longest_file, longest_file,
+                              u->pathname);
+               if (show_number)
+                       printf(" %*d", max_orig_digits,
+                              lineno);
+               printf(" (%-*.*s %10s %*d) ",
+                      longest_author, longest_author, ci.author,
+                      format_time(ci.author_time, ci.author_tz,
+                                  show_raw_time),
+                      max_digits, lno + 1);
+       }
+}
+
 int main(int argc, const char **argv)
 {
        int i;
@@ -877,6 +913,10 @@ int main(int argc, const char **argv)
        prepare_revision_walk(&rev);
        process_commits(&rev, filename, &initial);
 
+       for (i = 0; i < num_blame_lines; i++)
+               if (!blame_lines[i])
+                       blame_lines[i] = initial;
+
        buf = blame_contents;
        max_digits = lineno_width(num_blame_lines);
 
@@ -886,8 +926,6 @@ int main(int argc, const char **argv)
        for (i = 0; i < num_blame_lines; i++) {
                struct commit *c = blame_lines[i];
                struct util_info *u;
-               if (!c)
-                       c = initial;
                u = c->util;
 
                if (!show_name && strcmp(filename, u->pathname))
@@ -904,35 +942,11 @@ int main(int argc, const char **argv)
        max_orig_digits = lineno_width(longest_file_lines);
 
        for (i = 0; i < num_blame_lines; i++) {
-               struct commit *c = blame_lines[i];
-               struct util_info *u;
-               int lineno;
-               if (!c)
-                       c = initial;
-               u = c->util;
-               lineno = find_orig_linenum(u, i);
-
-               get_commit_info(c, &ci);
-               fwrite(sha1_to_hex(c->object.sha1), sha1_len, 1, stdout);
-               if (compatibility) {
-                       printf("\t(%10s\t%10s\t%d)", ci.author,
-                              format_time(ci.author_time, ci.author_tz,
-                                          show_raw_time),
-                              i+1);
-               }
-               else {
-                       if (show_name)
-                               printf(" %-*.*s", longest_file, longest_file,
-                                      u->pathname);
-                       if (show_number)
-                               printf(" %*d", max_orig_digits,
-                                      lineno);
-                       printf(" (%-*.*s %10s %*d) ",
-                              longest_author, longest_author, ci.author,
-                              format_time(ci.author_time, ci.author_tz,
-                                          show_raw_time),
-                              max_digits, i+1);
-               }
+               emit_meta(blame_lines[i], i,
+                         sha1_len, compatibility,
+                         show_name, show_number, show_raw_time,
+                         longest_file, longest_author,
+                         max_digits, max_orig_digits);
 
                if (i == num_blame_lines - 1) {
                        fwrite(buf, blame_len - (buf - blame_contents),