[PATCH v3 10/11] format-patch: update append_signoff prototype

[Brandon Casey <drafnel@xxxxxxxxx>]

From: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>

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

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
Signed-off-by: Brandon Casey <bcasey@xxxxxxxxxx>
---
 builtin/log.c | 13 +------------
 log-tree.c    | 17 +++++++++++++----
 revision.h    |  2 +-
 3 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/builtin/log.c b/builtin/log.c
index 8f0b2e8..59de484 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1086,7 +1086,6 @@ 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;
@@ -1193,16 +1192,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 		rev.subject_prefix = strbuf_detach(&sprefix, NULL);
 	}
 
-	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');
@@ -1393,7 +1382,7 @@ 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 5dc45c4..ac1cd68 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -10,6 +10,8 @@
 #include "color.h"
 #include "gpg-interface.h"
 
+#define APPEND_SIGNOFF_DEDUP (1u <<0)
+
 struct decoration name_decoration = { "object names" };
 
 enum decoration_type {
@@ -253,9 +255,12 @@ 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 ignore_footer, unsigned flag)
 {
+	unsigned no_dup_sob = flag & APPEND_SIGNOFF_DEDUP;
 	static const char signed_off_by[] = "Signed-off-by: ";
+	char *signoff = xstrdup(fmt_name(getenv("GIT_COMMITTER_NAME"),
+					       getenv("GIT_COMMITTER_EMAIL")));
 	size_t signoff_len = strlen(signoff);
 	int has_signoff = 0;
 	char *cp;
@@ -275,6 +280,7 @@ static void append_signoff(struct strbuf *sb, const char *signoff)
 		if (!isspace(cp[signoff_len]))
 			continue;
 		/* we already have him */
+		free(signoff);
 		return;
 	}
 
@@ -287,6 +293,7 @@ static void append_signoff(struct strbuf *sb, const char *signoff)
 	strbuf_addstr(sb, signed_off_by);
 	strbuf_add(sb, signoff, signoff_len);
 	strbuf_addch(sb, '\n');
+	free(signoff);
 }
 
 static unsigned int digits_in_number(unsigned int number)
@@ -672,8 +679,10 @@ 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;
@@ -686,7 +695,7 @@ 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, APPEND_SIGNOFF_DEDUP);
 
 	if ((ctx.fmt != CMIT_FMT_USERFORMAT) &&
 	    ctx.notes_message && *ctx.notes_message) {
diff --git a/revision.h b/revision.h
index 5da09ee..01bd2b7 100644
--- a/revision.h
+++ b/revision.h
@@ -138,7 +138,7 @@ struct rev_info {
 	int		reroll_count;
 	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;
-- 
1.8.1.1.450.g0327af3

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