fix slash in gitignore syntax being special

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/eapache/go-resiliency v1.2.0
 	github.com/fatih/color v1.9.0
 	github.com/getsentry/sentry-go v0.10.0
-	github.com/go-git/go-git/v5 v5.1.0 // indirect
+	github.com/go-git/go-git/v5 v5.1.0
 	github.com/hashicorp/go-getter v1.5.1
 	github.com/hashicorp/go-hclog v0.9.2
 	github.com/hashicorp/go-plugin v1.3.0

pkg/filter/driftignore.go

@@ -11,6 +11,8 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
+const separator = "_-_"
+
 type DriftIgnore struct {
 	driftignorePath string
 	matcher         gitignore.Matcher
@@ -47,6 +49,8 @@ func (r *DriftIgnore) readIgnoreFile() error {
 		if strings.HasPrefix(line, "#") {
 			continue // this is a comment
 		}
+		line = strings.ReplaceAll(line, "/", separator)
+
 		lines = append(lines, gitignore.ParsePattern(line, nil))
 		if !strings.HasSuffix(line, "*") {
 			line := fmt.Sprintf("%s.*", line)
@@ -64,15 +68,14 @@ func (r *DriftIgnore) readIgnoreFile() error {
 }
 
 func (r *DriftIgnore) IsResourceIgnored(res resource.Resource) bool {
-	strRes := fmt.Sprintf("%s.%s", res.TerraformType(), res.TerraformId())
-
-	match := r.matcher.Match([]string{strRes}, false)
-	return match
+	return r.match(fmt.Sprintf("%s.%s", res.TerraformType(), res.TerraformId()))
 }
 
 func (r *DriftIgnore) IsFieldIgnored(res resource.Resource, path []string) bool {
-	sprintf := fmt.Sprintf("%s.%s", res.TerraformType(), res.TerraformId())
-	p := strings.Join(path, ".")
-	full := strings.Join([]string{sprintf, p}, ".")
-	return r.matcher.Match([]string{full}, false)
+	full := fmt.Sprintf("%s.%s.%s", res.TerraformType(), res.TerraformId(), strings.Join(path, "."))
+	return r.match(full)
+}
+
+func (r *DriftIgnore) match(strRes string) bool {
+	return r.matcher.Match([]string{strings.ReplaceAll(strRes, "/", separator)}, false)
 }

pkg/filter/driftignore_test.go

@@ -102,6 +102,10 @@ func TestDriftIgnore_IsResourceIgnored(t *testing.T) {
 					Type: "resource_type",
 					Id:   "idwith\\backslashes",
 				},
+				&resource2.FakeResource{
+					Type: "resource_type",
+					Id:   "idwith/slashes",
+				},
 			},
 			want: []bool{
 				false,
@@ -113,6 +117,7 @@ func TestDriftIgnore_IsResourceIgnored(t *testing.T) {
 				true,
 				true,
 				true,
+				true,
 			},
 			path: "testdata/drift_ignore_valid/.driftignore",
 		},
@@ -190,6 +195,14 @@ func TestDriftIgnore_IsResourceIgnored(t *testing.T) {
 					Type: "iam_user",
 					Id:   "id\\WithBac*slash***\\*\\",
 				},
+				&resource2.FakeResource{
+					Type: "some_type",
+					Id:   "idwith/slash",
+				},
+				&resource2.FakeResource{
+					Type: "some_type",
+					Id:   "idwith/slash/",
+				},
 			},
 			want: []bool{
 				true,
@@ -199,7 +212,10 @@ func TestDriftIgnore_IsResourceIgnored(t *testing.T) {
 				true,
 				true,
 				false,
+				false,
+				true,
 			},
+			path: "testdata/drift_ignore_all_exclude/.driftignore",
 		},
 	}
 	for _, tt := range tests {
@@ -403,6 +419,7 @@ func TestDriftIgnore_IsFieldIgnored(t *testing.T) {
 					Want: false,
 				},
 			},
+			path: "testdata/drift_ignore_all_exclude_field/.driftignore",
 		},
 	}
 	for _, tt := range tests {

pkg/filter/testdata/drift_ignore_all_exclude/.driftignore

@@ -1,2 +1,3 @@
 *
 !iam_user.*
+!some_type.idwith/slash

pkg/filter/testdata/drift_ignore_valid/.driftignore

@@ -3,5 +3,6 @@ wildcard_resource.*
 resource_type.id\.with\.dots
 resource_type.idwith\\
 resource_type.idwith\\backslashes
+resource_type.idwith/slashes
 
 # this is a comment