Bump CEL version to 0.12.5 and updated functions

Author: savitaashture

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/fvbommel/sortorder v1.0.1
 	github.com/gfleury/go-bitbucket-v1 v0.0.0-20220418082332-711d7d5e805f
 	github.com/gobwas/glob v0.2.3
-	github.com/google/cel-go v0.11.3
+	github.com/google/cel-go v0.12.5
 	github.com/google/go-cmp v0.5.9
 	github.com/google/go-github/scrape v0.0.0-20220919195828-182338c7045a
 	github.com/google/go-github/v47 v47.1.0

go.sum

@@ -311,8 +311,8 @@ github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Z
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.1/go.mod h1:xXMiIv4Fb/0kKde4SpL7qlzvu5cMJDRkFDxJfI9uaxA=
 github.com/google/cel-go v0.9.0/go.mod h1:U7ayypeSkw23szu4GaQTPJGx66c20mx8JklMSxrmI1w=
-github.com/google/cel-go v0.11.3 h1:MnUpbcMtr/eA8vRTEYSru+fyCAgGUYLrY/49vUvphbI=
-github.com/google/cel-go v0.11.3/go.mod h1:Av7CU6r6X3YmcHR9GXqVDaEJYfEtSxl6wvIjUQTriCw=
+github.com/google/cel-go v0.12.5 h1:DmzaiSgoaqGCjtpPQWl26/gND+yRpim56H1jCVev6d8=
+github.com/google/cel-go v0.12.5/go.mod h1:Jk7ljRzLBhkmiAwBoUxB1sZSCVBAzkqPF25olK/iRDw=
 github.com/google/cel-spec v0.6.0/go.mod h1:Nwjgxy5CbjlPrtCWjeDjUyKMl8w41YBYGjsyDdqk0xA=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=

pkg/matcher/cel.go

@@ -5,15 +5,12 @@ import (
 	"fmt"
 
 	"github.com/gobwas/glob"
-	"github.com/google/cel-go/common/types"
-	"github.com/google/cel-go/interpreter/functions"
-	"github.com/openshift-pipelines/pipelines-as-code/pkg/provider"
-	exprpb "google.golang.org/genproto/googleapis/api/expr/v1alpha1"
-
 	"github.com/google/cel-go/cel"
 	"github.com/google/cel-go/checker/decls"
+	"github.com/google/cel-go/common/types"
 	"github.com/google/cel-go/common/types/ref"
 	"github.com/openshift-pipelines/pipelines-as-code/pkg/params/info"
+	"github.com/openshift-pipelines/pipelines-as-code/pkg/provider"
 )
 
 func celEvaluate(ctx context.Context, expr string, event *info.Event, vcx provider.Interface) (ref.Val, error) {
@@ -69,14 +66,7 @@ type celPac struct {
 }
 
 func (t celPac) ProgramOptions() []cel.ProgramOption {
-	return []cel.ProgramOption{
-		cel.Functions(
-			&functions.Overload{
-				Operator: "pathChanged",
-				Unary:    t.pathChanged,
-			},
-		),
-	}
+	return []cel.ProgramOption{}
 }
 
 func (t celPac) pathChanged(vals ref.Val) ref.Val {
@@ -98,12 +88,10 @@ func (t celPac) pathChanged(vals ref.Val) ref.Val {
 	return match
 }
 
-func (celPac) CompileOptions() []cel.EnvOption {
+func (t celPac) CompileOptions() []cel.EnvOption {
 	return []cel.EnvOption{
-		cel.Declarations(
-			decls.NewFunction("pathChanged",
-				decls.NewInstanceOverload("pathChanged",
-					[]*exprpb.Type{decls.String}, decls.Bool)),
-		),
+		cel.Function("pathChanged",
+			cel.MemberOverload("pathChanged", []*cel.Type{cel.StringType}, cel.BoolType,
+				cel.UnaryBinding(t.pathChanged))),
 	}
 }