From 55ea743f2d840711ac44e5a015303cd16fcf347d Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Sun, 14 Jun 2026 13:34:51 +0000
Subject: cmd/explain-pack: Add

---
 cmd/explain-pack/fmt.go | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 cmd/explain-pack/fmt.go

(limited to 'cmd/explain-pack/fmt.go')

diff --git a/cmd/explain-pack/fmt.go b/cmd/explain-pack/fmt.go
new file mode 100644
index 00000000..a3d1b333
--- /dev/null
+++ b/cmd/explain-pack/fmt.go
@@ -0,0 +1,30 @@
+package main
+
+import (
+	"bytes"
+	"encoding/hex"
+	"io"
+
+	"lindenii.org/go/furgit/internal/utils"
+)
+
+func indentBlock(out io.Writer, indent string, block []byte) {
+	lines := bytes.Split(block, []byte("\n"))
+	if n := len(lines); n > 0 && len(lines[n-1]) == 0 {
+		lines = lines[:n-1]
+	}
+
+	for _, line := range lines {
+		utils.BestEffortFprintf(out, "%s%s\n", indent, line)
+	}
+}
+
+func hexBlock(out io.Writer, indent string, data []byte) {
+	var buf bytes.Buffer
+
+	dumper := hex.Dumper(&buf)
+	_, _ = dumper.Write(data)
+	_ = dumper.Close()
+
+	indentBlock(out, indent, buf.Bytes())
+}
-- 
cgit v1.3.1-10-gc9f91