[PATCH v2 3/6] trailer: split process_command_line_args into separate functions

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From: Linus Arver <linusa@xxxxxxxxxx>

Previously, process_command_line_args did two things:

    (1) parse trailers from the configuration, and
    (2) parse trailers defined on the command line.

Separate (1) outside to a new function, parse_trailers_from_config.
Rename the remaining logic to parse_trailers_from_command_line_args.

Signed-off-by: Linus Arver <linusa@xxxxxxxxxx>
---
 trailer.c | 34 +++++++++++++++++++++-------------
 1 file changed, 21 insertions(+), 13 deletions(-)

diff --git a/trailer.c b/trailer.c
index 2c56cbc4a2e..b6de5d9cb2d 100644
--- a/trailer.c
+++ b/trailer.c
@@ -711,30 +711,35 @@ static void add_arg_item(struct list_head *arg_head, char *tok, char *val,
 	list_add_tail(&new_item->list, arg_head);
 }
 
-static void process_command_line_args(struct list_head *arg_head,
-				      struct list_head *new_trailer_head)
+static void parse_trailers_from_config(struct list_head *config_head)
 {
 	struct arg_item *item;
-	struct strbuf tok = STRBUF_INIT;
-	struct strbuf val = STRBUF_INIT;
-	const struct conf_info *conf;
 	struct list_head *pos;
 
-	/*
-	 * In command-line arguments, '=' is accepted (in addition to the
-	 * separators that are defined).
-	 */
-	char *cl_separators = xstrfmt("=%s", separators);
-
 	/* Add an arg item for each configured trailer with a command */
 	list_for_each(pos, &conf_head) {
 		item = list_entry(pos, struct arg_item, list);
 		if (item->conf.command)
-			add_arg_item(arg_head,
+			add_arg_item(config_head,
 				     xstrdup(token_from_item(item, NULL)),
 				     xstrdup(""),
 				     &item->conf, NULL);
 	}
+}
+
+static void parse_trailers_from_command_line_args(struct list_head *arg_head,
+						  struct list_head *new_trailer_head)
+{
+	struct strbuf tok = STRBUF_INIT;
+	struct strbuf val = STRBUF_INIT;
+	const struct conf_info *conf;
+	struct list_head *pos;
+
+	/*
+	 * In command-line arguments, '=' is accepted (in addition to the
+	 * separators that are defined).
+	 */
+	char *cl_separators = xstrfmt("=%s", separators);
 
 	/* Add an arg item for each trailer on the command line */
 	list_for_each(pos, new_trailer_head) {
@@ -1069,8 +1074,11 @@ void process_trailers(const char *file,
 
 
 	if (!opts->only_input) {
+		LIST_HEAD(config_head);
 		LIST_HEAD(arg_head);
-		process_command_line_args(&arg_head, new_trailer_head);
+		parse_trailers_from_config(&config_head);
+		parse_trailers_from_command_line_args(&arg_head, new_trailer_head);
+		list_splice(&config_head, &arg_head);
 		process_trailers_lists(&head, &arg_head);
 	}
 
-- 
gitgitgadget




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