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mirror of https://github.com/thegeeklab/git-sv.git synced 2024-06-02 17:39:39 +02:00

fix(config): empty slices must overwrite default config

issue: #20
This commit is contained in:
Beatriz Vieira 2021-04-12 22:19:36 -03:00
parent 591e00ec51
commit a58c345340
3 changed files with 85 additions and 19 deletions

View File

@ -6,9 +6,11 @@ import (
"io/ioutil"
"log"
"os/exec"
"reflect"
"strings"
"sv4git/sv"
"github.com/imdario/mergo"
"github.com/kelseyhightower/envconfig"
"gopkg.in/yaml.v3"
)
@ -90,3 +92,37 @@ func defaultConfig() Config {
},
}
}
func merge(dst *Config, src Config) error {
err := mergo.Merge(dst, src, mergo.WithOverride, mergo.WithTransformers(&mergeTransformer{}))
if err == nil {
if len(src.ReleaseNotes.Headers) > 0 { // mergo is merging maps, ReleaseNotes.Headers should be overwritten
dst.ReleaseNotes.Headers = src.ReleaseNotes.Headers
}
}
return err
}
type mergeTransformer struct {
}
func (t *mergeTransformer) Transformer(typ reflect.Type) func(dst, src reflect.Value) error {
if typ.Kind() == reflect.Slice {
return func(dst, src reflect.Value) error {
if dst.CanSet() && !src.IsNil() {
dst.Set(src)
}
return nil
}
}
if typ.Kind() == reflect.Ptr {
return func(dst, src reflect.Value) error {
if dst.CanSet() && !src.IsNil() {
dst.Set(src)
}
return nil
}
}
return nil
}

47
cmd/git-sv/config_test.go Normal file
View File

@ -0,0 +1,47 @@
package main
import (
"reflect"
"sv4git/sv"
"testing"
)
func Test_merge(t *testing.T) {
boolFalse := false
boolTrue := true
tests := []struct {
name string
dst Config
src Config
want Config
wantErr bool
}{
{"overwrite string", Config{Version: "a"}, Config{Version: "b"}, Config{Version: "b"}, false},
{"default string", Config{Version: "a"}, Config{Version: ""}, Config{Version: "a"}, false},
{"overwrite list", Config{Branches: sv.BranchesConfig{Skip: []string{"a", "b"}}}, Config{Branches: sv.BranchesConfig{Skip: []string{"c", "d"}}}, Config{Branches: sv.BranchesConfig{Skip: []string{"c", "d"}}}, false},
{"overwrite list with empty", Config{Branches: sv.BranchesConfig{Skip: []string{"a", "b"}}}, Config{Branches: sv.BranchesConfig{Skip: make([]string, 0)}}, Config{Branches: sv.BranchesConfig{Skip: make([]string, 0)}}, false},
{"default list", Config{Branches: sv.BranchesConfig{Skip: []string{"a", "b"}}}, Config{Branches: sv.BranchesConfig{Skip: nil}}, Config{Branches: sv.BranchesConfig{Skip: []string{"a", "b"}}}, false},
{"overwrite pointer bool false", Config{Branches: sv.BranchesConfig{SkipDetached: &boolFalse}}, Config{Branches: sv.BranchesConfig{SkipDetached: &boolTrue}}, Config{Branches: sv.BranchesConfig{SkipDetached: &boolTrue}}, false},
{"overwrite pointer bool true", Config{Branches: sv.BranchesConfig{SkipDetached: &boolTrue}}, Config{Branches: sv.BranchesConfig{SkipDetached: &boolFalse}}, Config{Branches: sv.BranchesConfig{SkipDetached: &boolFalse}}, false},
{"default pointer bool", Config{Branches: sv.BranchesConfig{SkipDetached: &boolTrue}}, Config{Branches: sv.BranchesConfig{SkipDetached: nil}}, Config{Branches: sv.BranchesConfig{SkipDetached: &boolTrue}}, false},
{"merge maps", Config{CommitMessage: sv.CommitMessageConfig{Footer: map[string]sv.CommitMessageFooterConfig{"issue": {Key: "jira"}}}}, Config{CommitMessage: sv.CommitMessageConfig{Footer: map[string]sv.CommitMessageFooterConfig{"issue2": {Key: "jira2"}}}}, Config{CommitMessage: sv.CommitMessageConfig{Footer: map[string]sv.CommitMessageFooterConfig{"issue": {Key: "jira"}, "issue2": {Key: "jira2"}}}}, false},
{"default maps", Config{CommitMessage: sv.CommitMessageConfig{Footer: map[string]sv.CommitMessageFooterConfig{"issue": {Key: "jira"}}}}, Config{CommitMessage: sv.CommitMessageConfig{Footer: nil}}, Config{CommitMessage: sv.CommitMessageConfig{Footer: map[string]sv.CommitMessageFooterConfig{"issue": {Key: "jira"}}}}, false},
{"merge empty maps", Config{CommitMessage: sv.CommitMessageConfig{Footer: map[string]sv.CommitMessageFooterConfig{"issue": {Key: "jira"}}}}, Config{CommitMessage: sv.CommitMessageConfig{Footer: map[string]sv.CommitMessageFooterConfig{}}}, Config{CommitMessage: sv.CommitMessageConfig{Footer: map[string]sv.CommitMessageFooterConfig{"issue": {Key: "jira"}}}}, false},
{"overwrite release notes header", Config{ReleaseNotes: sv.ReleaseNotesConfig{Headers: map[string]string{"a": "aa"}}}, Config{ReleaseNotes: sv.ReleaseNotesConfig{Headers: map[string]string{"b": "bb"}}}, Config{ReleaseNotes: sv.ReleaseNotesConfig{Headers: map[string]string{"b": "bb"}}}, false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := merge(&tt.dst, tt.src); (err != nil) != tt.wantErr {
t.Errorf("merge() error = %v, wantErr %v", err, tt.wantErr)
}
if !reflect.DeepEqual(tt.dst, tt.want) {
t.Errorf("merge() = %v, want %v", tt.dst, tt.want)
}
})
}
}

View File

@ -4,10 +4,8 @@ import (
"log"
"os"
"path/filepath"
"reflect"
"sv4git/sv"
"github.com/imdario/mergo"
"github.com/urfave/cli/v2"
)
@ -28,7 +26,7 @@ func main() {
if envCfg.Home != "" {
if homeCfg, err := loadConfig(filepath.Join(envCfg.Home, configFilename)); err == nil {
if merr := mergo.Merge(&cfg, homeCfg, mergo.WithOverride, mergo.WithTransformers(&nullTransformer{})); merr != nil {
if merr := merge(&cfg, homeCfg); merr != nil {
log.Fatal(merr)
}
}
@ -40,7 +38,7 @@ func main() {
}
if repoCfg, err := loadConfig(filepath.Join(repoPath, repoConfigFilename)); err == nil {
if merr := mergo.Merge(&cfg, repoCfg, mergo.WithOverride, mergo.WithTransformers(&nullTransformer{})); merr != nil {
if merr := merge(&cfg, repoCfg); merr != nil {
log.Fatal(merr)
}
if len(repoCfg.ReleaseNotes.Headers) > 0 { // mergo is merging maps, headers will be overwritten
@ -161,18 +159,3 @@ func main() {
log.Fatal(apperr)
}
}
type nullTransformer struct {
}
func (t *nullTransformer) Transformer(typ reflect.Type) func(dst, src reflect.Value) error {
if typ.Kind() == reflect.Ptr {
return func(dst, src reflect.Value) error {
if dst.CanSet() && !src.IsNil() {
dst.Set(src)
}
return nil
}
}
return nil
}