feat: more features, output formats, configs, etc

fileproc/processor.go

@@ -3,25 +3,34 @@ package fileproc
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
+	"path/filepath"
 
 	"github.com/sirupsen/logrus"
 )
 
 // WriteRequest represents the content to be written.
 type WriteRequest struct {
+	Path    string
 	Content string
 }
 
 // ProcessFile reads the file at filePath and sends a formatted output to outCh.
-// The optional wg parameter is used when the caller wants to wait on file-level processing.
-func ProcessFile(filePath string, outCh chan<- WriteRequest, wg *interface{}) {
-	content, err := ioutil.ReadFile(filePath)
+func ProcessFile(filePath string, outCh chan<- WriteRequest, rootPath string) {
+	content, err := os.ReadFile(filePath)
 	if err != nil {
 		logrus.Errorf("Failed to read file %s: %v", filePath, err)
 		return
 	}
-	// Format: separator, file path, then content.
-	formatted := fmt.Sprintf("\n---\n%s\n%s\n", filePath, string(content))
-	outCh <- WriteRequest{Content: formatted}
+
+	// Compute path relative to rootPath, so /a/b/c/d.c becomes c/d.c
+	relPath, err := filepath.Rel(rootPath, filePath)
+	if err != nil {
+		// Fallback if something unexpected happens
+		relPath = filePath
+	}
+
+	// Format: separator, then relative path, then content
+	formatted := fmt.Sprintf("\n---\n%s\n%s\n", relPath, string(content))
+	outCh <- WriteRequest{Path: relPath, Content: formatted}
 }