container: export overlay escape

Signed-off-by: Ophestra <cat@gensokyo.uk>

container/mount.go

@@ -214,8 +214,8 @@ func parentPerm(perm os.FileMode) os.FileMode {
 	return os.FileMode(pperm)
 }
 
-// escapeOverlayDataSegment escapes a string for formatting into the data argument of an overlay mount call.
-func escapeOverlayDataSegment(s string) string {
+// EscapeOverlayDataSegment escapes a string for formatting into the data argument of an overlay mount call.
+func EscapeOverlayDataSegment(s string) string {
 	if s == zeroString {
 		return zeroString
 	}

container/mount_test.go

@@ -41,7 +41,7 @@ func TestEscapeOverlayDataSegment(t *testing.T) {
 
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
-			if got := escapeOverlayDataSegment(tc.s); got != tc.want {
+			if got := EscapeOverlayDataSegment(tc.s); got != tc.want {
 				t.Errorf("escapeOverlayDataSegment: %s, want %s", got, tc.want)
 			}
 		})

container/ops.go

@@ -416,7 +416,7 @@ func (o *MountOverlayOp) early(*Params) error {
 			if v, err := filepath.EvalSymlinks(o.Upper.String()); err != nil {
 				return wrapErrSelf(err)
 			} else {
-				o.upper = escapeOverlayDataSegment(toHost(v))
+				o.upper = EscapeOverlayDataSegment(toHost(v))
 			}
 		}
 
@@ -424,7 +424,7 @@ func (o *MountOverlayOp) early(*Params) error {
 			if v, err := filepath.EvalSymlinks(o.Work.String()); err != nil {
 				return wrapErrSelf(err)
 			} else {
-				o.work = escapeOverlayDataSegment(toHost(v))
+				o.work = EscapeOverlayDataSegment(toHost(v))
 			}
 		}
 	}
@@ -438,7 +438,7 @@ func (o *MountOverlayOp) early(*Params) error {
 		if v, err := filepath.EvalSymlinks(a.String()); err != nil {
 			return wrapErrSelf(err)
 		} else {
-			o.lower[i] = escapeOverlayDataSegment(toHost(v))
+			o.lower[i] = EscapeOverlayDataSegment(toHost(v))
 		}
 	}
 	return nil

container/path_test.go

@@ -38,5 +38,5 @@ func TestToHost(t *testing.T) {
 	}
 }
 
-// InternalToHostOvlEscape exports toHost passed to escapeOverlayDataSegment.
-func InternalToHostOvlEscape(s string) string { return escapeOverlayDataSegment(toHost(s)) }
+// InternalToHostOvlEscape exports toHost passed to EscapeOverlayDataSegment.
+func InternalToHostOvlEscape(s string) string { return EscapeOverlayDataSegment(toHost(s)) }