Merge branch 'rs/pretty-wrap'

* rs/pretty-wrap:
log --format: don't ignore %w() at the start of format string
Implement wrap format %w() as if it is a mode switch

Conflicts:
pretty.c

diff --cc pretty.c
index da15cf2a80d08e38b4b0bb279e378b72dbe49cc7,5e9d1f84b976c7f85e67c6af446d31e54c2388fd..2e031e62fd98c02bfa6cc558fc49aef86c03ed09
--- 1/pretty.c
--- 2/pretty.c
+++ b/pretty.c
@@@ -443,9 -442,10 +443,10 @@@ struct chunk 
  
  struct format_commit_context {
        const struct commit *commit;
 -      enum date_mode dmode;
 +      const struct pretty_print_context *pretty_ctx;
        unsigned commit_header_parsed:1;
        unsigned commit_message_parsed:1;
+       size_t width, indent1, indent2;
  
        /* These offsets are relative to the start of the commit message. */
        struct chunk author;
@@@ -764,8 -802,10 +819,10 @@@ void format_commit_message(const struc
  
        memset(&context, 0, sizeof(context));
        context.commit = commit;
 -      context.dmode = dmode;
 +      context.pretty_ctx = pretty_ctx;
+       context.wrap_start = sb->len;
        strbuf_expand(sb, format, format_commit_item, &context);
+       rewrap_message_tail(sb, &context, 0, 0, 0);
  }
  
  static void pp_header(enum cmit_fmt fmt,