[PATCH 3/9] diff-merges: introduce log.diffMerges config variable

From: Sergey Organov <sorganov@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: Jeff King <peff@peff.net>, Philip Oakley <philipoakley@iee.email>,
	Elijah Newren <newren@gmail.com>,
	Felipe Contreras <felipe.contreras@gmail.com>,
	git@vger.kernel.org, Sergey Organov <sorganov@gmail.com>
Subject: [PATCH 3/9] diff-merges: introduce log.diffMerges config variable
Date: Thu,  8 Apr 2021 01:56:02 +0300	[thread overview]
Message-ID: <20210407225608.14611-4-sorganov@gmail.com> (raw)
In-Reply-To: <20210407225608.14611-1-sorganov@gmail.com>

New log.diffMerges configuration variable sets the format that
--diff-merges=def will be using. The default is "separate".

Signed-off-by: Sergey Organov <sorganov@gmail.com>
---
 builtin/log.c |  2 ++
 diff-merges.c | 11 +++++++++++
 diff-merges.h |  2 ++
 3 files changed, 15 insertions(+)

diff --git a/builtin/log.c b/builtin/log.c
index 8acd285dafd8..6102893fccb9 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -481,6 +481,8 @@ static int git_log_config(const char *var, const char *value, void *cb)
 			decoration_style = 0; /* maybe warn? */
 		return 0;
 	}
+	if (!strcmp(var, "log.diffmerges"))
+		return diff_merges_config(value);
 	if (!strcmp(var, "log.showroot")) {
 		default_show_root = git_config_bool(var, value);
 		return 0;
diff --git a/diff-merges.c b/diff-merges.c
index 93ede09fb36f..ca4d94a9039d 100644
--- a/diff-merges.c
+++ b/diff-merges.c
@@ -90,6 +90,17 @@ static void set_diff_merges(struct rev_info *revs, const char *optarg)
  * Public functions. They are in the order they are called.
  */
 
+int diff_merges_config(const char *value)
+{
+	diff_merges_setup_func_t func = func_by_opt(value);
+
+	if (!func)
+		return -1;
+
+	set_to_default = func;
+	return 0;
+}
+
 int diff_merges_parse_opts(struct rev_info *revs, const char **argv)
 {
 	int argcount = 1;
diff --git a/diff-merges.h b/diff-merges.h
index 659467c99a4f..09d9a6c9a4fb 100644
--- a/diff-merges.h
+++ b/diff-merges.h
@@ -9,6 +9,8 @@
 
 struct rev_info;
 
+int diff_merges_config(const char *value);
+
 int diff_merges_parse_opts(struct rev_info *revs, const char **argv);
 
 void diff_merges_suppress(struct rev_info *revs);
-- 
2.25.1

