feat: follow best practices with regards to naming .env files

Signed-off-by: Drake Evans <[email protected]>

cmd/sops/formats/formats.go

@@ -1,6 +1,9 @@
 package formats
 
-import "strings"
+import (
+	"path/filepath"
+	"strings"
+)
 
 // Format is an enum type
 type Format int
@@ -43,7 +46,7 @@ func IsJSONFile(path string) bool {
 
 // IsEnvFile returns true if a given file path corresponds to a .env file
 func IsEnvFile(path string) bool {
-	return strings.HasSuffix(path, ".env")
+	return strings.HasSuffix(path, ".env") || strings.HasPrefix(filepath.Base(path), ".env")
 }
 
 // IsIniFile returns true if a given file path corresponds to a INI file

cmd/sops/formats/formats_test.go

@@ -17,6 +17,7 @@ func TestFormatFromString(t *testing.T) {
 func TestFormatForPath(t *testing.T) {
 	assert.Equal(t, Binary, FormatForPath("/path/to/foobar"))
 	assert.Equal(t, Dotenv, FormatForPath("/path/to/foobar.env"))
+	assert.Equal(t, Dotenv, FormatForPath("/path/to/.env.foobar"))
 	assert.Equal(t, Ini, FormatForPath("/path/to/foobar.ini"))
 	assert.Equal(t, Json, FormatForPath("/path/to/foobar.json"))
 	assert.Equal(t, Yaml, FormatForPath("/path/to/foobar.yml"))
@@ -27,6 +28,7 @@ func TestFormatForPathOrString(t *testing.T) {
 	assert.Equal(t, Binary, FormatForPathOrString("/path/to/foobar", ""))
 	assert.Equal(t, Dotenv, FormatForPathOrString("/path/to/foobar", "dotenv"))
 	assert.Equal(t, Dotenv, FormatForPathOrString("/path/to/foobar.env", ""))
+	assert.Equal(t, Dotenv, FormatForPathOrString("/path/to/.env.foobar", ""))
 	assert.Equal(t, Ini, FormatForPathOrString("/path/to/foobar", "ini"))
 	assert.Equal(t, Ini, FormatForPathOrString("/path/to/foobar.ini", ""))
 	assert.Equal(t, Json, FormatForPathOrString("/path/to/foobar", "json"))