[PATCH 1/2] pretty: share code between format_decoration and show_decorations

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This also adds color support to format_decoration()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 log-tree.c | 55 +++++++++++++++++++++++++++++++++----------------------
 log-tree.h |  3 +++
 pretty.c   | 19 +------------------
 3 files changed, 37 insertions(+), 40 deletions(-)

diff --git a/log-tree.c b/log-tree.c
index c894930..b8cea3f 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -174,36 +174,47 @@ static void show_children(struct rev_info *opt, struct commit *commit, int abbre
 	}
 }
 
-void show_decorations(struct rev_info *opt, struct commit *commit)
+void format_decoration(struct strbuf *sb,
+		       const struct commit *commit,
+		       int use_color)
 {
-	const char *prefix;
-	struct name_decoration *decoration;
+	const char *prefix = " (";
+	struct name_decoration *d;
 	const char *color_commit =
-		diff_get_color_opt(&opt->diffopt, DIFF_COMMIT);
+		diff_get_color(use_color, DIFF_COMMIT);
 	const char *color_reset =
-		decorate_get_color_opt(&opt->diffopt, DECORATION_NONE);
+		decorate_get_color(use_color, DECORATION_NONE);
+
+	load_ref_decorations(DECORATE_SHORT_REFS);
+	d = lookup_decoration(&name_decoration, &commit->object);
+	if (!d)
+		return;
+	while (d) {
+		strbuf_addstr(sb, prefix);
+		strbuf_addstr(sb, decorate_get_color(use_color, d->type));
+		if (d->type == DECORATION_REF_TAG)
+			strbuf_addstr(sb, "tag: ");
+		strbuf_addstr(sb, d->name);
+		strbuf_addstr(sb, color_reset);
+		strbuf_addstr(sb, color_commit);
+		prefix = ", ";
+		d = d->next;
+	}
+	if (prefix[0] == ',')
+		strbuf_addch(sb, ')');
+}
+
+void show_decorations(struct rev_info *opt, struct commit *commit)
+{
+	struct strbuf sb = STRBUF_INIT;
 
 	if (opt->show_source && commit->util)
 		printf("\t%s", (char *) commit->util);
 	if (!opt->show_decorations)
 		return;
-	decoration = lookup_decoration(&name_decoration, &commit->object);
-	if (!decoration)
-		return;
-	prefix = " (";
-	while (decoration) {
-		printf("%s", prefix);
-		fputs(decorate_get_color_opt(&opt->diffopt, decoration->type),
-		      stdout);
-		if (decoration->type == DECORATION_REF_TAG)
-			fputs("tag: ", stdout);
-		printf("%s", decoration->name);
-		fputs(color_reset, stdout);
-		fputs(color_commit, stdout);
-		prefix = ", ";
-		decoration = decoration->next;
-	}
-	putchar(')');
+	format_decoration(&sb, commit, opt->diffopt.use_color);
+	fputs(sb.buf, stdout);
+	strbuf_release(&sb);
 }
 
 /*
diff --git a/log-tree.h b/log-tree.h
index f5ac238..10c2682 100644
--- a/log-tree.h
+++ b/log-tree.h
@@ -13,6 +13,9 @@ int log_tree_diff_flush(struct rev_info *);
 int log_tree_commit(struct rev_info *, struct commit *);
 int log_tree_opt_parse(struct rev_info *, const char **, int);
 void show_log(struct rev_info *opt);
+void format_decoration(struct strbuf *sb,
+		       const struct commit *commit,
+		       int use_color);
 void show_decorations(struct rev_info *opt, struct commit *commit);
 void log_write_email_headers(struct rev_info *opt, struct commit *commit,
 			     const char **subject_p,
diff --git a/pretty.c b/pretty.c
index 8b1ea9f..e910679 100644
--- a/pretty.c
+++ b/pretty.c
@@ -764,23 +764,6 @@ static void parse_commit_message(struct format_commit_context *c)
 	c->commit_message_parsed = 1;
 }
 
-static void format_decoration(struct strbuf *sb, const struct commit *commit)
-{
-	struct name_decoration *d;
-	const char *prefix = " (";
-
-	load_ref_decorations(DECORATE_SHORT_REFS);
-	d = lookup_decoration(&name_decoration, &commit->object);
-	while (d) {
-		strbuf_addstr(sb, prefix);
-		prefix = ", ";
-		strbuf_addstr(sb, d->name);
-		d = d->next;
-	}
-	if (prefix[0] == ',')
-		strbuf_addch(sb, ')');
-}
-
 static void strbuf_wrap(struct strbuf *sb, size_t pos,
 			size_t width, size_t indent1, size_t indent2)
 {
@@ -1005,7 +988,7 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
 		strbuf_addstr(sb, get_revision_mark(NULL, commit));
 		return 1;
 	case 'd':
-		format_decoration(sb, commit);
+		format_decoration(sb, commit, 0);
 		return 1;
 	case 'g':		/* reflog info */
 		switch(placeholder[1]) {
-- 
1.7.12.1.383.gda6001e.dirty

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