[PATCH v2 1/4] mailinfo: separate in-body header processing

[Jonathan Tan]

The check_header function contains logic specific to in-body headers,
although it is invoked during both the processing of actual headers and
in-body headers. Separate out the in-body header part into its own
function.

Signed-off-by: Jonathan Tan <jonathanta...@google.com>
---
 mailinfo.c | 33 +++++++++++++++++----------------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/mailinfo.c b/mailinfo.c
index e19abe3..0c4738a 100644
--- a/mailinfo.c
+++ b/mailinfo.c
@@ -495,21 +495,6 @@ static int check_header(struct mailinfo *mi,
                goto check_header_out;
        }
 
-       /* for inbody stuff */
-       if (starts_with(line->buf, ">From") && isspace(line->buf[5])) {
-               ret = is_format_patch_separator(line->buf + 1, line->len - 1);
-               goto check_header_out;
-       }
-       if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) {
-               for (i = 0; header[i]; i++) {
-                       if (!strcmp("Subject", header[i])) {
-                               handle_header(&hdr_data[i], line);
-                               ret = 1;
-                               goto check_header_out;
-                       }
-               }
-       }
-
 check_header_out:
        strbuf_release(&sb);
        return ret;
@@ -623,6 +608,22 @@ static int is_scissors_line(const struct strbuf *line)
                gap * 2 < perforation);
 }
 
+static int check_inbody_header(struct mailinfo *mi, const struct strbuf *line)
+{
+       if (starts_with(line->buf, ">From") && isspace(line->buf[5]))
+               return is_format_patch_separator(line->buf + 1, line->len - 1);
+       if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) {
+               int i;
+               for (i = 0; header[i]; i++)
+                       if (!strcmp("Subject", header[i])) {
+                               handle_header(&mi->s_hdr_data[i], line);
+                               return 1;
+                       }
+               return 0;
+       }
+       return check_header(mi, line, mi->s_hdr_data, 0);
+}
+
 static int handle_commit_msg(struct mailinfo *mi, struct strbuf *line)
 {
        assert(!mi->filter_stage);
@@ -633,7 +634,7 @@ static int handle_commit_msg(struct mailinfo *mi, struct 
strbuf *line)
        }
 
        if (mi->use_inbody_headers && mi->header_stage) {
-               mi->header_stage = check_header(mi, line, mi->s_hdr_data, 0);
+               mi->header_stage = check_inbody_header(mi, line);
                if (mi->header_stage)
                        return 0;
        } else
-- 
2.10.0.rc2.20.g5b18e70