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🎁 Terminal UI basic implementation (#139)
* TUI code import from cardil/ghet * Documenting the environmental support for color See: https://no-color.org/ and https://force-color.org/ for more information. * Remove github.com/kirsle/configdir dep
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| Copyright 2024 The Knative Authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package dir | ||
|
|
||
| import ( | ||
| "context" | ||
| "log" | ||
| "os" | ||
| "path" | ||
|
|
||
| "emperror.dev/errors" | ||
| ) | ||
|
|
||
| const ( | ||
| // ConfigDirEnvName is the name of the environment variable that can be used | ||
| // to override the config directory. | ||
| ConfigDirEnvName = "KN_CONFIG_DIR" | ||
|
|
||
| // CacheDirEnvName is the name of the environment variable that can be used | ||
| // to override the cache directory. | ||
| CacheDirEnvName = "KN_CACHE_DIR" | ||
| ) | ||
|
|
||
| var ( | ||
| configDirKey = struct{}{} //nolint:gochecknoglobals | ||
| cacheDirKey = struct{}{} //nolint:gochecknoglobals | ||
| ) | ||
|
|
||
| // Config returns the path to the config directory. It will be created if it | ||
| // does not exist. | ||
| func Config(ctx context.Context) string { | ||
| return userPath(ctx, configDirKey, ConfigDirEnvName, localConfig) | ||
| } | ||
|
|
||
| // Cache returns the path to the cache directory. It will be created if it | ||
| // does not exist. | ||
| func Cache(ctx context.Context) string { | ||
| return userPath(ctx, cacheDirKey, CacheDirEnvName, localCache) | ||
| } | ||
|
|
||
| func localConfig() string { | ||
| cd, err := os.UserConfigDir() | ||
| if err != nil { | ||
| log.Fatal(errors.WithStack(err)) | ||
| } | ||
| return path.Join(cd, "kn") | ||
| } | ||
|
|
||
| func localCache() string { | ||
| cd, err := os.UserCacheDir() | ||
| if err != nil { | ||
| log.Fatal(errors.WithStack(err)) | ||
| } | ||
| return path.Join(cd, "kn") | ||
| } | ||
|
|
||
| func userPath(ctx context.Context, key interface{}, envKey string, fn func() string) string { | ||
| if p, ok := ctx.Value(key).(string); ok { | ||
| return ensurePathExists(p) | ||
| } | ||
| p := os.Getenv(envKey) | ||
| if p == "" { | ||
| p = fn() | ||
| } | ||
| return ensurePathExists(p) | ||
| } | ||
|
|
||
| func ensurePathExists(p string) string { | ||
| fileMode := os.FileMode(0o750) | ||
| if err := os.MkdirAll(p, fileMode); err != nil { | ||
| log.Fatal(errors.WithStack(err)) | ||
| } | ||
| return p | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| Copyright 2024 The Knative Authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package dir_test | ||
|
|
||
| import ( | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "knative.dev/client-pkg/pkg/config/dir" | ||
| "knative.dev/client-pkg/pkg/context" | ||
| ) | ||
|
|
||
| func TestConfig(t *testing.T) { | ||
| ctx := context.TestContext(t) | ||
| want := t.TempDir() | ||
| ctx = dir.WithConfigDir(ctx, want) | ||
|
|
||
| got := dir.Config(ctx) | ||
| if got != want { | ||
| t.Errorf("want %s,\n got %s", want, got) | ||
| } | ||
| } | ||
|
|
||
| func TestConfigDefaults(t *testing.T) { | ||
| ctx := context.TestContext(t) | ||
| got := dir.Config(ctx) | ||
| if got == "" { | ||
| t.Errorf("want non-empty config dir") | ||
| } | ||
| if !strings.Contains(got, "kn") { | ||
| t.Errorf("want config dir to contain 'kn'") | ||
| } | ||
| } | ||
|
|
||
| func TestCache(t *testing.T) { | ||
| ctx := context.TestContext(t) | ||
| want := t.TempDir() | ||
| ctx = dir.WithCacheDir(ctx, want) | ||
|
|
||
| got := dir.Cache(ctx) | ||
| if got != want { | ||
| t.Errorf("want %s,\n got %s", want, got) | ||
| } | ||
| } | ||
|
|
||
| func TestCacheDefaults(t *testing.T) { | ||
| ctx := context.TestContext(t) | ||
| got := dir.Cache(ctx) | ||
| if got == "" { | ||
| t.Errorf("want non-empty cache dir") | ||
| } | ||
| if !strings.Contains(got, "kn") { | ||
| t.Errorf("want cache dir to contain 'kn'") | ||
| } | ||
| } |
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