diff-tree: add author/date information to the verbose output

diff --git a/diff-tree.c b/diff-tree.c
index cdd224c..51e3274 100644 (file)
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -284,6 +284,26 @@ static int get_one_line(const char *msg, unsigned long len)
        return ret;
 }
 
+static int add_author_info(char *buf, const char *line, int len)
+{
+       char *date;
+       unsigned int namelen;
+       unsigned long time;
+       int tz;
+
+       line += strlen("author ");
+       date = strchr(line, '>');
+       if (!date)
+               return 0;
+       namelen = ++date - line;
+       time = strtoul(date, &date, 10);
+       tz = strtol(date, NULL, 10);
+
+       return sprintf(buf, "Author: %.*s\nDate:   %s\n",
+               namelen, line,
+               show_date(time, tz));
+}
+
 static char *generate_header(const char *commit, const char *parent, const char *msg, unsigned long len)
 {
        static char this_header[1000];
@@ -306,8 +326,11 @@ static char *generate_header(const char *commit, const char *parent, const char
                        len -= linelen;
                        if (linelen == 1)
                                hdr = 0;
-                       if (hdr)
+                       if (hdr) {
+                               if (!memcmp(line, "author ", 7))
+                                       offset += add_author_info(this_header + offset, line, linelen);
                                continue;
+                       }
                        memset(this_header + offset, ' ', 4);
                        memcpy(this_header + offset + 4, line, linelen);
                        offset += linelen + 4;