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Prioritize defaultText over value in docs #9

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16423c2
prioritize default text
joshuaswickirl Apr 10, 2025
90e5d23
init tests
joshuaswickirl Apr 10, 2025
bdc82a0
more tests
joshuaswickirl Apr 11, 2025
a376063
use different default
joshuaswickirl Apr 11, 2025
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12 changes: 5 additions & 7 deletions docs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -565,21 +565,19 @@ func getFlagDefaultValue(f cli.DocGenerationFlag) string {
return ""
}

if v, ok := f.(interface{ GetValue() string }); ok {
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@joshuaswickirl i'm having a hard time wrapping my head around this. You say that DocGenerationFlag has removed GetValue ?? It's still there. So I'm confused why we need all this in the first place. Moreover there is no need to use reflection here. You should be able to use be existing functions to achieve the desired result

return v.GetValue()
}

var ref = reflect.ValueOf(f)
if ref.Kind() != reflect.Ptr {
return ""
} else {
if ref.Kind() == reflect.Ptr {
ref = ref.Elem()
}

if ref.Kind() != reflect.Struct {
return ""
}

if defaultTextVal := ref.FieldByName("DefaultText"); defaultTextVal.IsValid() && defaultTextVal.Kind() == reflect.String && defaultTextVal.String() != "" {
return defaultTextVal.String()
}

if val := ref.FieldByName("Value"); val.IsValid() && val.Type().Kind() != reflect.Bool {
return fmt.Sprintf("%v", val.Interface())
}
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10 changes: 10 additions & 0 deletions docs_test.go
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Expand Up @@ -62,6 +62,11 @@ func buildExtendedTestCommand() *cli.Command {
Name: "hidden-flag",
Hidden: true,
},
&cli.StringFlag{
Name: "dir",
Value: pwd(),
DefaultText: "\".\"",
},
},
Commands: []*cli.Command{{
Aliases: []string{"c"},
Expand Down Expand Up @@ -182,6 +187,11 @@ func TestToTabularMarkdown(t *testing.T) {
})
}

func pwd() string {
pwd, _ := os.Getwd()
return pwd
}

func TestToTabularMarkdownFailed(t *testing.T) {
tpl := MarkdownTabularDocTemplate
t.Cleanup(func() { MarkdownTabularDocTemplate = tpl })
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4 changes: 4 additions & 0 deletions testdata/expected-doc-full.man
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Expand Up @@ -15,6 +15,7 @@ greet

.nf
[--another-flag|-b]
[--dir]=[value]
[--flag|--fl|-f]=[value]
[--socket|-s]=[value]

Expand Down Expand Up @@ -43,6 +44,9 @@ app [first_arg] [second_arg]
.PP
\fB--another-flag, -b\fP: another usage text

.PP
\fB--dir\fP="": (default: ".")

.PP
\fB--flag, --fl, -f\fP="":

Expand Down
3 changes: 3 additions & 0 deletions testdata/expected-doc-full.md
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Expand Up @@ -8,6 +8,7 @@ greet

```
[--another-flag|-b]
[--dir]=[value]
[--flag|--fl|-f]=[value]
[--socket|-s]=[value]
```
Expand All @@ -26,6 +27,8 @@ app [first_arg] [second_arg]

**--another-flag, -b**: another usage text

**--dir**="": (default: ".")

**--flag, --fl, -f**="":

**--socket, -s**="": some 'usage' text (default: value)
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3 changes: 3 additions & 0 deletions testdata/expected-doc-no-authors.md
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Expand Up @@ -8,6 +8,7 @@ greet

```
[--another-flag|-b]
[--dir]=[value]
[--flag|--fl|-f]=[value]
[--socket|-s]=[value]
```
Expand All @@ -26,6 +27,8 @@ app [first_arg] [second_arg]

**--another-flag, -b**: another usage text

**--dir**="": (default: ".")

**--flag, --fl, -f**="":

**--socket, -s**="": some 'usage' text (default: value)
Expand Down
3 changes: 3 additions & 0 deletions testdata/expected-doc-no-commands.md
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Expand Up @@ -8,6 +8,7 @@ greet

```
[--another-flag|-b]
[--dir]=[value]
[--flag|--fl|-f]=[value]
[--socket|-s]=[value]
```
Expand All @@ -26,6 +27,8 @@ app [first_arg] [second_arg]

**--another-flag, -b**: another usage text

**--dir**="": (default: ".")

**--flag, --fl, -f**="":

**--socket, -s**="": some 'usage' text (default: value)
Expand Down
3 changes: 3 additions & 0 deletions testdata/expected-doc-no-usagetext.md
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ greet

```
[--another-flag|-b]
[--dir]=[value]
[--flag|--fl|-f]=[value]
[--socket|-s]=[value]
```
Expand All @@ -26,6 +27,8 @@ greet [GLOBAL OPTIONS] [command [COMMAND OPTIONS]] [ARGUMENTS...]

**--another-flag, -b**: another usage text

**--dir**="": (default: ".")

**--flag, --fl, -f**="":

**--socket, -s**="": some 'usage' text (default: value)
Expand Down
1 change: 1 addition & 0 deletions testdata/expected-tabular-markdown-custom-app-path.md
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Expand Up @@ -19,6 +19,7 @@ Global flags:
| `--socket="…"` (`-s`) | some 'usage' text | `value` | *none* |
| `--flag="…"` (`--fl`, `-f`) | | | *none* |
| `--another-flag` (`-b`) | another usage text | `false` | `EXAMPLE_VARIABLE_NAME` |
| `--dir="…"` | | `"."` | *none* |

### `config` command (aliases: `c`)

Expand Down
1 change: 1 addition & 0 deletions testdata/expected-tabular-markdown-full.md
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Expand Up @@ -19,6 +19,7 @@ Global flags:
| `--socket="…"` (`-s`) | some 'usage' text | `value` | *none* |
| `--flag="…"` (`--fl`, `-f`) | | | *none* |
| `--another-flag` (`-b`) | another usage text | `false` | `EXAMPLE_VARIABLE_NAME` |
| `--dir="…"` | | `"."` | *none* |

### `config` command (aliases: `c`)

Expand Down
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