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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package segments | ||
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| import ( | ||
| "path/filepath" | ||
| "strings" | ||
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| "github.com/jandedobbeleer/oh-my-posh/src/properties" | ||
| "github.com/jandedobbeleer/oh-my-posh/src/runtime" | ||
| ) | ||
|
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| const ( | ||
| NONE = "none" | ||
| ) | ||
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| type NixShell struct { | ||
| props properties.Properties | ||
| env runtime.Environment | ||
|
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| Type string | ||
| } | ||
|
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| func (n *NixShell) Template() string { | ||
| return "via {{ .Type }}-shell" | ||
| } | ||
|
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| func (n *NixShell) DetectType() string { | ||
| shellType := n.env.Getenv("IN_NIX_SHELL") | ||
|
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| switch shellType { | ||
| case "pure", "impure": | ||
| return shellType | ||
| default: | ||
| if n.InNewNixShell() { | ||
| return UNKNOWN | ||
| } | ||
|
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| return NONE | ||
| } | ||
| } | ||
|
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| // Hack to detect if we're in a `nix shell` (in contrast to a `nix-shell`). | ||
| // A better way to do this will be enabled by https://github.com/NixOS/nix/issues/6677 | ||
| // so we check if the PATH contains a nix store. | ||
| func (n *NixShell) InNewNixShell() bool { | ||
| paths := filepath.SplitList(n.env.Getenv("PATH")) | ||
|
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| for _, p := range paths { | ||
| if strings.Contains(p, "/nix/store") { | ||
| return true | ||
| } | ||
| } | ||
|
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| return false | ||
| } | ||
|
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| func (n *NixShell) Init(props properties.Properties, env runtime.Environment) { | ||
| n.props = props | ||
| n.env = env | ||
| } | ||
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| func (n *NixShell) Enabled() bool { | ||
| n.Type = n.DetectType() | ||
|
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| return n.Type != NONE | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package segments | ||
|
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| import ( | ||
| "fmt" | ||
| "testing" | ||
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| "github.com/alecthomas/assert" | ||
| "github.com/jandedobbeleer/oh-my-posh/src/properties" | ||
| "github.com/jandedobbeleer/oh-my-posh/src/runtime/mock" | ||
| ) | ||
|
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| const ( | ||
| nixPath = "/nix/store/zznw8fnzss1vaqfg5hmv3y79s3hkqczi-devshell-dir/bin" | ||
| defaultPath = "/users/xyz/testing" | ||
| fullNixPath = defaultPath + ":" + nixPath | ||
| ) | ||
|
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| func TestNixShellSegment(t *testing.T) { | ||
| cases := []struct { | ||
| name string | ||
| expectedString string | ||
| shellType string | ||
| enabled bool | ||
| }{ | ||
| { | ||
| name: "Pure Nix Shell", | ||
| expectedString: "via pure-shell", | ||
| shellType: "pure", | ||
| enabled: true, | ||
| }, | ||
| { | ||
| name: "Impure Nix Shell", | ||
| expectedString: "via impure-shell", | ||
| shellType: "impure", | ||
| enabled: true, | ||
| }, | ||
| { | ||
| name: "Unknown Nix Shell", | ||
| expectedString: "via unknown-shell", | ||
| shellType: "unknown", | ||
| enabled: true, | ||
| }, | ||
| { | ||
| name: "No Nix Shell", | ||
| expectedString: "", | ||
| shellType: "", | ||
| enabled: false, | ||
| }, | ||
| } | ||
|
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| for _, tc := range cases { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| env := new(mock.Environment) | ||
| env.On("Getenv", "IN_NIX_SHELL").Return(tc.shellType) | ||
|
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| path := defaultPath | ||
| if tc.shellType != "" { | ||
| path = fullNixPath | ||
| } | ||
|
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| env.On("Getenv", "PATH").Return(path) | ||
|
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| n := NixShell{} | ||
| n.Init(properties.Map{}, env) | ||
|
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| assert.Equal(t, tc.enabled, n.Enabled(), fmt.Sprintf("Failed in case: %s", tc.name)) | ||
|
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| if tc.enabled { | ||
| assert.Equal(t, tc.expectedString, renderTemplate(env, n.Template(), n), tc.name) | ||
| } | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| --- | ||
| id: nix-shell | ||
| title: Nix Shell | ||
| sidebar_label: Nix Shell | ||
| --- | ||
|
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| ## What | ||
|
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| Displays the [nix shell] status if inside a nix-shell environment. | ||
|
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| ## Sample Configuration | ||
|
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| import Config from "@site/src/components/Config.js"; | ||
|
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| <Config | ||
| data={{ | ||
| type: "nix-shell", | ||
| style: "powerline", | ||
| foreground: "blue", | ||
| background: "transparent", | ||
| template: "(nix-{{ .Type }})", | ||
| }} | ||
| /> | ||
|
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| ## Template ([info][templates]) | ||
|
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| :::note default template | ||
|
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| ```template | ||
| via {{ .Type }}-shell" | ||
| ``` | ||
|
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| ::: | ||
|
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| ### Properties | ||
|
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| | Name | Type | Description | | ||
| | ------- | -------- | ----------------------------------------------------------- | | ||
| | `.Type` | `string` | the type of nix shell, can be `pure`, `impure` or `unknown` | | ||
|
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| [nix shell]: https://nixos.org/guides/nix-pills/developing-with-nix-shell.html | ||
| [templates]: /docs/configuration/templates |
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