From 335c6e7a07a76ec192731e88670dedd7f3c45e0c Mon Sep 17 00:00:00 2001
From: Pimyn Girgis <pimyn@google.com>
Date: Fri, 9 Jan 2026 09:34:26 +0100
Subject: pkg/email: extract base-commit hash from emails

If the author of a patch series provides a base-commit tag, extract and store the hash.
---
 pkg/email/lore/parse.go | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

(limited to 'pkg/email/lore')

diff --git a/pkg/email/lore/parse.go b/pkg/email/lore/parse.go
index 3b044bf21..29b025a78 100644
--- a/pkg/email/lore/parse.go
+++ b/pkg/email/lore/parse.go
@@ -25,12 +25,13 @@ type Thread struct {
 
 // Series represents a single patch series sent over email.
 type Series struct {
-	Subject   string
-	MessageID string
-	Version   int
-	Corrupted string // If non-empty, contains a reason why the series better be ignored.
-	Tags      []string
-	Patches   []Patch
+	Subject        string
+	MessageID      string
+	Version        int
+	Corrupted      string // If non-empty, contains a reason why the series better be ignored.
+	Tags           []string
+	Patches        []Patch
+	BaseCommitHint string
 }
 
 type Patch struct {
@@ -88,6 +89,9 @@ func PatchSeries(emails []*Email) []*Series {
 			if !ok {
 				continue
 			}
+			if series.BaseCommitHint == "" { // Usually base-commit is in patch 0 or 1. Check them all to be safe.
+				series.BaseCommitHint = email.BaseCommitHint
+			}
 			seq := patch.Seq.ValueOr(1)
 			if seq == 0 {
 				// The cover email is not of interest.
-- 
cgit mrf-deployment