Fix path label

tools/path.go

@@ -0,0 +1,22 @@
+package tools
+
+import (
+	"katenary/compose"
+	"regexp"
+	"strings"
+)
+
+// replaceChars replaces some chars in a string.
+const replaceChars = `[^a-zA-Z0-9_]+`
+
+// GetRelPath return the relative path from the root of the project.
+func GetRelPath(path string) string {
+	return strings.Replace(path, compose.GetCurrentDir(), ".", 1)
+}
+
+// PathToName transform a path to a yaml name.
+func PathToName(path string) string {
+	path = strings.TrimPrefix(GetRelPath(path), "./")
+	path = regexp.MustCompile(replaceChars).ReplaceAllString(path, "-")
+	return path
+}