Re: [RFC PATCH] builtin-log: Add options to --coverletter

[Joe Perches <joe@perches.com>]

On Fri, 2009-05-15 at 11:11 -0700, Junio C Hamano wrote:
> I think it makes sense to let users affect how the short-log in the cover
> letter is generated.  I do not think overloading the --cover-letter option
> for doing it is the ideal approach, though.

OK.  How about this patch?

diff --git a/builtin-log.c b/builtin-log.c
index 5eaec5d..49fd42a 100644
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -460,6 +460,11 @@ static void add_header(const char *value)
 static int thread = 0;
 static int do_signoff = 0;
 
+static int coverletter_wrap = 1;
+static int coverletter_wrappos = 72;
+static int coverletter_indent1 = 2;
+static int coverletter_indent2 = 4;
+
 static int git_format_config(const char *var, const char *value, void *cb)
 {
 	if (!strcmp(var, "format.headers")) {
@@ -668,10 +673,10 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
 	strbuf_release(&sb);
 
 	shortlog_init(&log);
-	log.wrap_lines = 1;
-	log.wrap = 72;
-	log.in1 = 2;
-	log.in2 = 4;
+	log.wrap_lines = coverletter_wrap;
+	log.wrap = coverletter_wrappos;
+	log.in1 = coverletter_indent1;
+	log.in2 = coverletter_indent2;
 	for (i = 0; i < nr; i++)
 		shortlog_add_commit(&log, list[i]);
 
@@ -868,6 +873,15 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 			fmt_patch_suffix = argv[i] + 9;
 		else if (!strcmp(argv[i], "--cover-letter"))
 			cover_letter = 1;
+		else if (!prefixcmp(argv[i], "--cover-letter-wrap=")) {
+			if (sscanf(argv[i] + 20, "%d,%d,%d",
+				   &coverletter_wrappos,
+				   &coverletter_indent1,
+				   &coverletter_indent2) <= 0)
+				die("Need options for --cover-letter-wrap=");
+			if (coverletter_wrappos == 0)
+				coverletter_wrap = 0;
+			}
 		else if (!strcmp(argv[i], "--no-binary"))
 			no_binary_diff = 1;
 		else if (!prefixcmp(argv[i], "--add-header="))