fmt: Gate formatting command on 0.7.7 (#88)
* fmt: Gate formatting command on 0.7.7
* avoid error field checking
* replace errors.Is with errors.As
diff --git a/tfexec/fmt.go b/tfexec/fmt.go
index 64473a5..d80a39b 100644
--- a/tfexec/fmt.go
+++ b/tfexec/fmt.go
@@ -121,6 +121,11 @@
}
func (tf *Terraform) formatCmd(ctx context.Context, args []string, opts ...FormatOption) (*exec.Cmd, error) {
+ err := tf.compatible(ctx, tf0_7_7, nil)
+ if err != nil {
+ return nil, fmt.Errorf("fmt was first introduced in Terraform 0.7.7: %w", err)
+ }
+
c := defaultFormatConfig
for _, o := range opts {
diff --git a/tfexec/fmt_test.go b/tfexec/fmt_test.go
new file mode 100644
index 0000000..517c2d0
--- /dev/null
+++ b/tfexec/fmt_test.go
@@ -0,0 +1,33 @@
+package tfexec
+
+import (
+ "context"
+ "errors"
+ "os"
+ "testing"
+)
+
+func TestFormat(t *testing.T) {
+ td := testTempDir(t)
+ defer os.RemoveAll(td)
+
+ tf, err := NewTerraform(td, tfVersion(t, "0.7.6"))
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ // empty env, to avoid environ mismatch in testing
+ tf.SetEnv(map[string]string{})
+
+ t.Run("too old version", func(t *testing.T) {
+ _, err := tf.formatCmd(context.Background(), []string{})
+ if err == nil {
+ t.Fatal("expected old version to fail")
+ }
+
+ var expectedErr *ErrVersionMismatch
+ if !errors.As(err, &expectedErr) {
+ t.Fatalf("error doesn't match: %#v", err)
+ }
+ })
+}
diff --git a/tfexec/version.go b/tfexec/version.go
index ae1dd5f..6f3f139 100644
--- a/tfexec/version.go
+++ b/tfexec/version.go
@@ -12,6 +12,7 @@
)
var (
+ tf0_7_7 = version.Must(version.NewVersion("0.7.7"))
tf0_12_0 = version.Must(version.NewVersion("0.12.0"))
tf0_13_0 = version.Must(version.NewVersion("0.13.0"))
)
