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Use indentation of 2 when rewriting auto-migrated config file

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This seems to be what most people use when indenting yaml files, and it seems to
make more sense than the default of 4.

We also use it the example config in Config.md.
This commit is contained in:
Stefan Haller 2025-02-23 11:27:49 +01:00
parent 1e05055fff
commit 87c3e75811
2 changed files with 34 additions and 29 deletions
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18
pkg/utils/yaml_utils/yaml_utils.go
View file

@ -1,6 +1,7 @@
package yaml_utils
import (
"bytes"
"errors"
"fmt"
@ -34,7 +35,7 @@ func UpdateYamlValue(yamlBytes []byte, path []string, value string) ([]byte, err
}
// Convert the updated YAML node back to YAML bytes.
updatedYAMLBytes, err := yaml.Marshal(body)
updatedYAMLBytes, err := yamlMarshal(body)
if err != nil {
return nil, fmt.Errorf("failed to convert YAML node to bytes: %w", err)
}
@ -126,7 +127,7 @@ func TransformNode(yamlBytes []byte, path []string, transform func(node *yaml.No
}
// Convert the updated YAML node back to YAML bytes.
updatedYAMLBytes, err := yaml.Marshal(body)
updatedYAMLBytes, err := yamlMarshal(body)
if err != nil {
return nil, fmt.Errorf("failed to convert YAML node to bytes: %w", err)
}
@ -170,7 +171,7 @@ func RenameYamlKey(yamlBytes []byte, path []string, newKey string) ([]byte, erro
}
// Convert the updated YAML node back to YAML bytes.
updatedYAMLBytes, err := yaml.Marshal(body)
updatedYAMLBytes, err := yamlMarshal(body)
if err != nil {
return nil, fmt.Errorf("failed to convert YAML node to bytes: %w", err)
}
@ -227,7 +228,7 @@ func Walk(yamlBytes []byte, callback func(node *yaml.Node, path string) bool) ([
}
// Convert the updated YAML node back to YAML bytes.
updatedYAMLBytes, err := yaml.Marshal(body)
updatedYAMLBytes, err := yamlMarshal(body)
if err != nil {
return nil, fmt.Errorf("failed to convert YAML node to bytes: %w", err)
}
@ -273,3 +274,12 @@ func walk(node *yaml.Node, path string, callback func(*yaml.Node, string) bool)
return didChange, nil
}
func yamlMarshal(node *yaml.Node) ([]byte, error) {
var buffer bytes.Buffer
encoder := yaml.NewEncoder(&buffer)
encoder.SetIndent(2)
err := encoder.Encode(node)
return buffer.Bytes(), err
}

45
pkg/utils/yaml_utils/yaml_utils_test.go
View file

@ -50,12 +50,11 @@ func TestUpdateYamlValue(t *testing.T) {
expectedErr: "",
},
{
name: "nested update",
in: "foo:\n bar: baz\n",
path: []string{"foo", "bar"},
value: "qux",
// indentation is not preserved. See https://github.com/go-yaml/yaml/issues/899
expectedOut: "foo:\n bar: qux\n",
name: "nested update",
in: "foo:\n bar: baz\n",
path: []string{"foo", "bar"},
value: "qux",
expectedOut: "foo:\n bar: qux\n",
expectedErr: "",
},
{
@ -63,7 +62,7 @@ func TestUpdateYamlValue(t *testing.T) {
in: "",
path: []string{"foo", "bar", "baz"},
value: "qux",
expectedOut: "foo:\n bar:\n baz: qux\n",
expectedOut: "foo:\n bar:\n baz: qux\n",
expectedErr: "",
},
{
@ -134,21 +133,19 @@ func TestRenameYamlKey(t *testing.T) {
expectedErr: "",
},
{
name: "rename key, nested",
in: "foo:\n bar: 5\n",
path: []string{"foo", "bar"},
newKey: "baz",
// indentation is not preserved. See https://github.com/go-yaml/yaml/issues/899
expectedOut: "foo:\n baz: 5\n",
name: "rename key, nested",
in: "foo:\n bar: 5\n",
path: []string{"foo", "bar"},
newKey: "baz",
expectedOut: "foo:\n baz: 5\n",
expectedErr: "",
},
{
name: "rename non-scalar key",
in: "foo:\n bar: 5\n",
path: []string{"foo"},
newKey: "qux",
// indentation is not preserved. See https://github.com/go-yaml/yaml/issues/899
expectedOut: "qux:\n bar: 5\n",
name: "rename non-scalar key",
in: "foo:\n bar: 5\n",
path: []string{"foo"},
newKey: "qux",
expectedOut: "qux:\n bar: 5\n",
expectedErr: "",
},
{
@ -288,8 +285,7 @@ func TestWalk_inPlaceChanges(t *testing.T) {
}
return false
},
// indentation is not preserved. See https://github.com/go-yaml/yaml/issues/899
expectedOut: "x:\n y: 7\n",
expectedOut: "x:\n y: 7\n",
},
{
name: "change array value",
@ -301,8 +297,7 @@ func TestWalk_inPlaceChanges(t *testing.T) {
}
return false
},
// indentation is not preserved. See https://github.com/go-yaml/yaml/issues/899
expectedOut: "x:\n - y: 7\n",
expectedOut: "x:\n - y: 7\n",
},
}
@ -366,8 +361,8 @@ foo:
path: []string{"foo", "bar"},
transform: transformIntValueToString,
expectedOut: `foo:
bar: "2"
`, // Note the indentiation change and newlines because of how it re-marshalls
bar: "2"
`, // Note the trailing newline changes because of how it re-marshalls
},
{
name: "Does nothing when already transformed",