[PATCH v2 3/4] format-patch: update append_signoff prototype

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This is a preparation step for merging with append_signoff from
sequencer.c

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 builtin/log.c | 13 +------------
 log-tree.c    | 21 +++++++++++++--------
 revision.h    |  2 +-
 3 files changed, 15 insertions(+), 21 deletions(-)

diff --git a/builtin/log.c b/builtin/log.c
index 09cf43e..f201070 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1053,7 +1053,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 	struct commit *origin = NULL, *head = NULL;
 	const char *in_reply_to = NULL;
 	struct patch_ids ids;
-	char *add_signoff = NULL;
 	struct strbuf buf = STRBUF_INIT;
 	int use_patch_format = 0;
 	int quiet = 0;
@@ -1148,16 +1147,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 			     PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN |
 			     PARSE_OPT_KEEP_DASHDASH);
 
-	if (do_signoff) {
-		const char *committer;
-		const char *endpos;
-		committer = git_committer_info(IDENT_STRICT);
-		endpos = strchr(committer, '>');
-		if (!endpos)
-			die(_("bogus committer info %s"), committer);
-		add_signoff = xmemdupz(committer, endpos - committer + 1);
-	}
-
 	for (i = 0; i < extra_hdr.nr; i++) {
 		strbuf_addstr(&buf, extra_hdr.items[i].string);
 		strbuf_addch(&buf, '\n');
@@ -1348,7 +1337,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 		total++;
 		start_number--;
 	}
-	rev.add_signoff = add_signoff;
+	rev.add_signoff = do_signoff;
 	while (0 <= --nr) {
 		int shown;
 		commit = list[nr];
diff --git a/log-tree.c b/log-tree.c
index aff7c0a..7e50545 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -253,9 +253,11 @@ static int detect_any_signoff(char *letter, int size)
 	return seen_head && seen_name;
 }
 
-static void append_signoff(struct strbuf *sb, const char *signoff)
+static void append_signoff(struct strbuf *sb, int flags)
 {
-	static const char signed_off_by[] = "Signed-off-by: ";
+	char* signoff = xstrdup(fmt_name(getenv("GIT_COMMITTER_NAME"),
+					 getenv("GIT_COMMITTER_EMAIL")));
+	static const char sign_off_header[] = "Signed-off-by: ";
 	size_t signoff_len = strlen(signoff);
 	int has_signoff = 0;
 	char *cp;
@@ -274,9 +276,9 @@ static void append_signoff(struct strbuf *sb, const char *signoff)
 	}
 
 	/* First see if we already have the sign-off by the signer */
-	while ((cp = strstr(cp, signed_off_by))) {
+	while ((cp = strstr(cp, sign_off_header))) {
 		const char *s = cp;
-		cp += strlen(signed_off_by);
+		cp += strlen(sign_off_header);
 
 		if (!has_signoff && s > sb->buf) {
 			/*
@@ -317,9 +319,10 @@ static void append_signoff(struct strbuf *sb, const char *signoff)
 	if (!has_signoff)
 		strbuf_addch(sb, '\n');
 
-	strbuf_addstr(sb, signed_off_by);
+	strbuf_addstr(sb, sign_off_header);
 	strbuf_add(sb, signoff, signoff_len);
 	strbuf_addch(sb, '\n');
+	free(signoff);
 }
 
 static unsigned int digits_in_number(unsigned int number)
@@ -684,8 +687,10 @@ void show_log(struct rev_info *opt)
 	/*
 	 * And then the pretty-printed message itself
 	 */
-	if (ctx.need_8bit_cte >= 0)
-		ctx.need_8bit_cte = has_non_ascii(opt->add_signoff);
+	if (ctx.need_8bit_cte >= 0 && opt->add_signoff)
+		ctx.need_8bit_cte =
+			has_non_ascii(fmt_name(getenv("GIT_COMMITTER_NAME"),
+					       getenv("GIT_COMMITTER_EMAIL")));
 	ctx.date_mode = opt->date_mode;
 	ctx.date_mode_explicit = opt->date_mode_explicit;
 	ctx.abbrev = opt->diffopt.abbrev;
@@ -696,7 +701,7 @@ void show_log(struct rev_info *opt)
 	pretty_print_commit(&ctx, commit, &msgbuf);
 
 	if (opt->add_signoff)
-		append_signoff(&msgbuf, opt->add_signoff);
+		append_signoff(&msgbuf, 0);
 	if (opt->show_log_size) {
 		printf("log size %i\n", (int)msgbuf.len);
 		graph_show_oneline(opt->graph);
diff --git a/revision.h b/revision.h
index a95bd0b..af35325 100644
--- a/revision.h
+++ b/revision.h
@@ -136,7 +136,7 @@ struct rev_info {
 	int		numbered_files;
 	char		*message_id;
 	struct string_list *ref_message_ids;
-	const char	*add_signoff;
+	int              add_signoff;
 	const char	*extra_headers;
 	const char	*log_reencode;
 	const char	*subject_prefix;
-- 
1.8.0.4.g5d0415a

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