fix(stcrashreceiver): allow extra pre/post data in version line

Signed-off-by: Jakob Borg <jakob@kastelo.net>

lib/build/parse.go

@@ -16,7 +16,7 @@ import (
 // or, somewhere along the way the "+" in the version tag disappeared:
 // syncthing v1.23.7-dev.26.gdf7b56ae.dirty-stversionextra "Fermium Flea" (go1.20.5 darwin-arm64) jb@ok.kastelo.net 2023-07-12 06:55:26 UTC [Some Wrapper, purego, stnoupgrade]
 var (
-	longVersionRE = regexp.MustCompile(`syncthing\s+(v[^\s]+)\s+"([^"]+)"\s\(([^\s]+)\s+([^-]+)-([^)]+)\)\s+([^\s]+)[^\[]*(?:\[(.+)\])?$`)
+	longVersionRE = regexp.MustCompile(`syncthing\s+(v[^\s]+)\s+"([^"]+)"\s\(([^\s]+)\s+([^-]+)-([^)]+)\)\s+([^\s]+)[^\[]*(?:\[(.+)\])?`)
 	gitExtraRE    = regexp.MustCompile(`\.\d+\.g[0-9a-f]+`) // ".1.g6aaae618"
 	gitExtraSepRE = regexp.MustCompile(`[.-]`)              // dot or dash
 )

lib/build/parse_test.go

@@ -57,6 +57,20 @@ func TestParseVersion(t *testing.T) {
 				Extra:    []string{"Some Wrapper", "purego", "stnoupgrade"},
 			},
 		},
+		{
+			longVersion: `2026-05-18 14:53:32 INF syncthing v2.0.3 "Hafnium Hornet" (go1.25.0 darwin-amd64) builder@github.syncthing.net 2025-08-22 07:00:05 UTC [stnoupgrade] (log.pkg=main)`,
+			parsed: VersionParts{
+				Version:  "v2.0.3",
+				Tag:      "v2.0.3",
+				Commit:   "",
+				Codename: "Hafnium Hornet",
+				Runtime:  "go1.25.0",
+				GOOS:     "darwin",
+				GOARCH:   "amd64",
+				Builder:  "builder@github.syncthing.net",
+				Extra:    []string{"stnoupgrade"},
+			},
+		},
 	}
 
 	for _, tc := range cases {