From: Sergey Matveev <stargrave@stargrave.org>
Date: Thu, 24 Sep 2020 19:08:04 +0000 (+0300)
Subject: Find any kind of commit hash in email subject
X-Git-Tag: v0.8.0~2
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=e7e77af7128668262e24076741b72695f22c5236;p=sgblog.git

Find any kind of commit hash in email subject
---

diff --git a/cmd/sgblog-comment-add/main.go b/cmd/sgblog-comment-add/main.go
index 837666c..cb270af 100644
--- a/cmd/sgblog-comment-add/main.go
+++ b/cmd/sgblog-comment-add/main.go
@@ -30,6 +30,7 @@ import (
 	"net/mail"
 	"os"
 	"os/exec"
+	"regexp"
 	"strconv"
 	"strings"
 	"syscall"
@@ -39,6 +40,8 @@ import (
 	"go.stargrave.org/sgblog"
 )
 
+var hashFinder = regexp.MustCompile("([0-9a-f]{40})")
+
 // Remove various whitespaces and excess lines, because git-notes-add
 // will remove and we have to know exact bytes count
 func cleanupBody(body string) string {
@@ -116,7 +119,10 @@ func main() {
 		log.Fatal(err)
 	}
 
-	subj = strings.TrimPrefix(subj, "Re: ")
+	subj = hashFinder.FindString(subj)
+	if subj == "" {
+		log.Fatal("no commit hash found in subject")
+	}
 	if h, err := hex.DecodeString(subj); err != nil || len(h) != sha1.Size {
 		os.Exit(0)
 	}