[PATCH 2/4] fmt-merge-msg: Update command line options to sync with config options

[Ramkumar Ramachandra <artagnon@xxxxxxxxx>]

Update the `--log` and `--summary` command line options to be integers
and have the same effect as the `merge.log` and `merge.summary`
configuration options.

Signed-off-by: Ramkumar Ramachandra <artagnon@xxxxxxxxx>
Cc: Johannes Sixt <j.sixt@xxxxxxxxxxxxx>
Cc: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
 builtin/fmt-merge-msg.c |   19 +++++++++----------
 1 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index 66b1cbd..67f24f8 100644
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -11,7 +11,6 @@ static const char * const fmt_merge_msg_usage[] = {
 	NULL
 };
 
-static int merge_summary;
 static int log_limit = 0;
 
 static int fmt_merge_msg_config(const char *key, const char *value, void *cb)
@@ -27,7 +26,6 @@ static int fmt_merge_msg_config(const char *key, const char *value, void *cb)
 
 	if (is_bool && log_limit)
 		log_limit = 20;
-	merge_summary = log_limit ? 1 : 0;
 
 	return 0;
 }
@@ -262,7 +260,7 @@ static void do_fmt_merge_msg_title(struct strbuf *out,
 		strbuf_addf(out, " into %s\n", current_branch);
 }
 
-static int do_fmt_merge_msg(int merge_title, int merge_summary,
+static int do_fmt_merge_msg(int merge_title, int log_limit,
 	struct strbuf *in, struct strbuf *out) {
 	int i = 0, pos = 0;
 	unsigned char head_sha1[20];
@@ -295,7 +293,7 @@ static int do_fmt_merge_msg(int merge_title, int merge_summary,
 	if (merge_title)
 		do_fmt_merge_msg_title(out, current_branch);
 
-	if (merge_summary) {
+	if (log_limit) {
 		struct commit *head;
 		struct rev_info rev;
 
@@ -315,8 +313,8 @@ static int do_fmt_merge_msg(int merge_title, int merge_summary,
 	return 0;
 }
 
-int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
-	return do_fmt_merge_msg(1, merge_summary, in, out);
+int fmt_merge_msg(int log_limit, struct strbuf *in, struct strbuf *out) {
+	return do_fmt_merge_msg(1, log_limit, in, out);
 }
 
 int fmt_merge_msg_shortlog(struct strbuf *in, struct strbuf *out) {
@@ -328,8 +326,9 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
 	const char *inpath = NULL;
 	const char *message = NULL;
 	struct option options[] = {
-		OPT_BOOLEAN(0, "log",     &merge_summary, "populate log with the shortlog"),
-		{ OPTION_BOOLEAN, 0, "summary", &merge_summary, NULL,
+		OPT_INTEGER(0, "log", &log_limit,
+			    "populate log with <n> entries from shortlog"),
+		{ OPTION_BOOLEAN, 0, "summary", &log_limit, NULL,
 		  "alias for --log (deprecated)",
 		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
 		OPT_STRING('m', "message", &message, "text",
@@ -347,7 +346,7 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
 			     0);
 	if (argc > 0)
 		usage_with_options(fmt_merge_msg_usage, options);
-	if (message && !merge_summary) {
+	if (message && !log_limit) {
 		char nl = '\n';
 		write_in_full(STDOUT_FILENO, message, strlen(message));
 		write_in_full(STDOUT_FILENO, &nl, 1);
@@ -366,7 +365,7 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
 		strbuf_addstr(&output, message);
 		ret = fmt_merge_msg_shortlog(&input, &output);
 	} else {
-		ret = fmt_merge_msg(merge_summary, &input, &output);
+		ret = fmt_merge_msg(log_limit, &input, &output);
 	}
 	if (ret)
 		return ret;
-- 
1.7.1

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