fix(checksum): fix single line checksum files

pkg/checksum/compare.go

@@ -28,11 +28,11 @@ func ComputeFileHash(filePath string, hashFunc func() hash.Hash) (string, error)
 }
 
 // CompareHashWithChecksumFile compares the computed hash of a file with the hashes in a checksum file.
-func CompareHashWithChecksumFile(fileName, filePath, checksumFilePath string, hashFunc func() hash.Hash) (bool, error) {
+func CompareHashWithChecksumFile(srcFilename, srcFilePath, checksumFilePath string, hashFunc func() hash.Hash) (bool, error) {
 	log := logrus.WithField("handler", "compare-hash-with-checksum-file")
 
 	// Compute the hash of the file
-	computedHash, err := ComputeFileHash(filePath, hashFunc)
+	computedHash, err := ComputeFileHash(srcFilePath, hashFunc)
 	if err != nil {
 		return false, err
 	}
@@ -49,18 +49,24 @@ func CompareHashWithChecksumFile(fileName, filePath, checksumFilePath string, ha
 	for scanner.Scan() {
 		line := scanner.Text()
 		parts := strings.Fields(line)
-		if len(parts) < 2 {
-			log.Trace("skipping line: ", line)
-			continue
+
+		var fileHash string
+		var hashFilename string
+
+		if len(parts) > 1 {
+			fileHash = parts[0]
+			hashFilename = parts[1]
+		} else {
+			fileHash = parts[0]
+			hashFilename = srcFilename
 		}
-		fileHash := parts[0]
-		filename := parts[1]
+
 		log.Trace("fileHash: ", fileHash)
-		log.Trace("filename: ", filename)
+		log.Trace("filename: ", hashFilename)
 		// Rust does *(binary) for the binary name
-		filename = strings.TrimPrefix(filename, "*")
+		hashFilename = strings.TrimPrefix(hashFilename, "*")
 
-		if (filename == fileName || filepath.Base(filename) == fileName) && fileHash == computedHash {
+		if (hashFilename == srcFilename || filepath.Base(hashFilename) == srcFilename) && fileHash == computedHash {
 			return true, nil
 		}
 	}