[RFC 1/3] mailinfo: extract patch series id
Extract the patch ID and series length from the [PATCH N/M]
prefix in the mail header
Signed-off-by: Nicolas Morey-Chaisemartin <nicolas@morey-chaisemartin.com>
---
mailinfo.c | 35 +++++++++++++++++++++++++++++++++++
mailinfo.h | 2 ++
2 files changed, 37 insertions(+)
diff --git a/mailinfo.c b/mailinfo.c
index a89db22ab..2ab9d446d 100644
--- a/mailinfo.c
+++ b/mailinfo.c
@@ -308,6 +308,39 @@ static void cleanup_subject(struct mailinfo *mi, struct strbuf *subject)
if (!pos)
break;
remove = pos - subject->buf + at + 1;
+ if (7 <= remove &&
+ memmem(subject->buf + at, remove, "PATCH", 5)){
+ /*
+ * Look for a N/M series identifier at
+ * the end of the brackets
+ */
+ int is_series = 1;
+ int ret, num, total;
+ int pt = at + remove - 2;
+
+ if (!isdigit(subject->buf[pt]))
+ is_series = 0;
+ else {
+ while(isdigit(subject->buf[--pt]));
+ }
+
+ if(is_series && subject->buf[pt--] != '/')
+ is_series = 0;
+
+ if (!isdigit(subject->buf[pt]))
+ is_series = 0;
+ if (is_series)
+ while(isdigit(subject->buf[--pt]));
+
+ pt++;
+
+ ret = sscanf(subject->buf + pt, "%d/%d]", &num, &total);
+ if (ret == 2){
+ mi->series_id = num;
+ mi->series_len = total;
+ }
+ }
+
if (!mi->keep_non_patch_brackets_in_subject ||
(7 <= remove &&
memmem(subject->buf + at, remove, "PATCH", 5)))
@@ -1154,6 +1187,8 @@ void setup_mailinfo(struct mailinfo *mi)
mi->header_stage = 1;
mi->use_inbody_headers = 1;
mi->content_top = mi->content;
+ mi->series_id = -1;
+ mi->series_len = -1;
git_config(git_mailinfo_config, mi);
}
diff --git a/mailinfo.h b/mailinfo.h
index 04a25351d..bd4f7c9e0 100644
--- a/mailinfo.h
+++ b/mailinfo.h
@@ -21,6 +21,8 @@ struct mailinfo {
struct strbuf **content_top;
struct strbuf charset;
char *message_id;
+ int series_id; /* Id of the patch within a patch series. -1 if not a patch series */
+ int series_len; /* Length of the patch series. -1 if not a patch series */
enum {
TE_DONTCARE, TE_QP, TE_BASE64
} transfer_encoding;
--
2.15.0.169.g3d3eebb67.dirty
Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.de>