[PATCH 1/2] pretty.c: add %% format specifier

[Pieter de Bie <pdebie@ai.rug.nl>]

This adds a %% format which just prints a literal %

Signed-off-by: Pieter de Bie <pdebie@ai.rug.nl>
---

On 7 sep 2008, at 07:59, Junio C Hamano wrote:
>Junio C Hamano <gitster@pobox.com> writes:
>>I somehow suspect it might be much simpler, more contained and robust if you:
>
>Ah, that would not work, sorry, because this if() statement is only about
>an uninteresting case of --allow-empty.  You need to do this the hard way
>and teach get_commit_format_string() quote % characters in branch names.

Yes, here is patch for this. Sorry for the style issues. I also fixed the
strbuf issue.

 Documentation/pretty-formats.txt |    1 +
 pretty.c                         |    3 +++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt
index f18d33e..b91db86 100644
--- a/Documentation/pretty-formats.txt
+++ b/Documentation/pretty-formats.txt
@@ -127,6 +127,7 @@ The placeholders are:
 - '%m': left, right or boundary mark
 - '%n': newline
 - '%x00': print a byte from a hex code
+- '%%': print a literal '%'
 
 * 'tformat:'
 +
diff --git a/pretty.c b/pretty.c
index 8beafa0..f66d687 100644
--- a/pretty.c
+++ b/pretty.c
@@ -538,6 +538,9 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
 			return 3;
 		} else
 			return 0;
+	case '%':
+		strbuf_addch(sb, '%');
+		return 1;
 	}
 
 	/* these depend on the commit */
-- 
1.6.0.1.346.g880d9.dirty