Add [openbsd] recipe attribute (#2497)

README.md

@@ -48,9 +48,9 @@ Yay, all your tests passed!
   [`make`'s complexity and idiosyncrasies](#what-are-the-idiosyncrasies-of-make-that-just-avoids).
   No need for `.PHONY` recipes!
 
-- Linux, MacOS, and Windows are supported with no additional dependencies.
-  (Although if your system doesn't have an `sh`, you'll need to
-  [choose a different shell](#shell).)
+- Linux, MacOS, Windows, and other reasonable unices are supported with no
+  additional dependencies. (Although if your system doesn't have an `sh`,
+  you'll need to [choose a different shell](#shell).)
 
 - Errors are specific and informative, and syntax errors are reported along
   with their source context.
@@ -1986,6 +1986,7 @@ change their behavior.
 | `[no-cd]`<sup>1.9.0</sup> | recipe | Don't change directory before executing recipe. |
 | `[no-exit-message]`<sup>1.7.0</sup> | recipe | Don't print an error message if recipe fails. |
 | `[no-quiet]`<sup>1.23.0</sup> | recipe | Override globally quiet recipes and always echo out the recipe. |
+| `[openbsd]`<sup>master</sup> | recipe | Enable recipe on OpenBSD. |
 | `[positional-arguments]`<sup>1.29.0</sup> | recipe | Turn on [positional arguments](#positional-arguments) for this recipe. |
 | `[private]`<sup>1.10.0</sup> | alias, recipe | Make recipe, alias, or variable private. See [Private Recipes](#private-recipes). |
 | `[script]`<sup>1.33.0</sup> | recipe | Execute recipe as script. See [script recipes](#script-recipes) for more details. |

crates-io-readme.md

@@ -1,6 +1,7 @@
 `just` is a handy way to save and run project-specific commands.
 
-Commands are stored in a file called `justfile` or `Justfile` with syntax inspired by `make`:
+Commands are stored in a file called `justfile` or `Justfile` with syntax
+inspired by `make`:
 
 ```make
 build:
@@ -15,8 +16,9 @@ test TEST: build
     ./test --test {{TEST}}
 ```
 
-`just` produces detailed error messages and avoids `make`'s idiosyncrasies, so debugging a justfile is easier and less surprising than debugging a makefile.
+`just` produces detailed error messages and avoids `make`'s idiosyncrasies, so
+debugging a justfile is easier and less surprising than debugging a makefile.
 
-It works on Linux, MacOS, and Windows.
+It works on all operating systems supported by Rust.
 
 Read more on [GitHub](https://github.com/casey/just).

src/attribute.rs

@@ -18,6 +18,7 @@ pub(crate) enum Attribute<'src> {
   NoCd,
   NoExitMessage,
   NoQuiet,
+  Openbsd,
   PositionalArguments,
   Private,
   Script(Option<Interpreter<'src>>),
@@ -36,6 +37,7 @@ impl AttributeDiscriminant {
       | Self::NoCd
       | Self::NoExitMessage
       | Self::NoQuiet
+      | Self::Openbsd
       | Self::PositionalArguments
       | Self::Private
       | Self::Unix
@@ -83,6 +85,7 @@ impl<'src> Attribute<'src> {
       AttributeDiscriminant::NoCd => Self::NoCd,
       AttributeDiscriminant::NoExitMessage => Self::NoExitMessage,
       AttributeDiscriminant::NoQuiet => Self::NoQuiet,
+      AttributeDiscriminant::Openbsd => Self::Openbsd,
       AttributeDiscriminant::PositionalArguments => Self::PositionalArguments,
       AttributeDiscriminant::Private => Self::Private,
       AttributeDiscriminant::Script => Self::Script({
@@ -131,6 +134,7 @@ impl Display for Attribute<'_> {
       | Self::NoCd
       | Self::NoExitMessage
       | Self::NoQuiet
+      | Self::Openbsd
       | Self::PositionalArguments
       | Self::Private
       | Self::Script(None)

src/recipe.rs

@@ -113,17 +113,19 @@ impl<'src, D> Recipe<'src, D> {
   }
 
   pub(crate) fn enabled(&self) -> bool {
-    let windows = self.attributes.contains(&Attribute::Windows);
     let linux = self.attributes.contains(&Attribute::Linux);
     let macos = self.attributes.contains(&Attribute::Macos);
+    let openbsd = self.attributes.contains(&Attribute::Openbsd);
     let unix = self.attributes.contains(&Attribute::Unix);
+    let windows = self.attributes.contains(&Attribute::Windows);
 
-    (!windows && !linux && !macos && !unix)
-      || (cfg!(target_os = "windows") && windows)
+    (!windows && !linux && !macos && !openbsd && !unix)
       || (cfg!(target_os = "linux") && (linux || unix))
       || (cfg!(target_os = "macos") && (macos || unix))
-      || (cfg!(windows) && windows)
+      || (cfg!(target_os = "openbsd") && (openbsd || unix))
+      || (cfg!(target_os = "windows") && windows)
       || (cfg!(unix) && unix)
+      || (cfg!(windows) && windows)
   }
 
   fn print_exit_message(&self) -> bool {

tests/attributes.rs

@@ -6,9 +6,10 @@ fn all() {
     .justfile(
       "
       [macos]
-      [windows]
       [linux]
+      [openbsd]
       [unix]
+      [windows]
       [no-exit-message]
       foo:
         exit 1
@@ -48,7 +49,7 @@ fn multiple_attributes_one_line() {
   Test::new()
     .justfile(
       "
-      [macos, windows,linux]
+      [macos,windows,linux,openbsd]
       [no-exit-message]
       foo:
         exit 1
@@ -64,7 +65,7 @@ fn multiple_attributes_one_line_error_message() {
   Test::new()
     .justfile(
       "
-      [macos, windows linux]
+      [macos,windows linux,openbsd]
       [no-exit-message]
       foo:
         exit 1
@@ -73,10 +74,10 @@ fn multiple_attributes_one_line_error_message() {
     .stderr(
       "
         error: Expected ']', ':', ',', or '(', but found identifier
-         ——▶ justfile:1:17
+         ——▶ justfile:1:16
           │
-        1 │ [macos, windows linux]
-          │                 ^^^^^
+        1 │ [macos,windows linux,openbsd]
+          │                ^^^^^
           ",
     )
     .status(1)
@@ -88,7 +89,7 @@ fn multiple_attributes_one_line_duplicate_check() {
   Test::new()
     .justfile(
       "
-      [macos, windows, linux]
+      [macos, windows, linux, openbsd]
       [linux]
       foo:
         exit 1

tests/os_attributes.rs

@@ -47,6 +47,10 @@ fn os() {
       [linux]
       foo:
         echo quxx
+
+      [openbsd]
+      foo:
+        echo bob
     ",
     )
     .stdout(if cfg!(target_os = "macos") {
@@ -55,6 +59,8 @@ fn os() {
       "baz\n"
     } else if cfg!(target_os = "linux") {
       "quxx\n"
+    } else if cfg!(target_os = "openbsd") {
+      "bob\n"
     } else {
       panic!("unexpected os family")
     })
@@ -64,6 +70,8 @@ fn os() {
       "echo baz\n"
     } else if cfg!(target_os = "linux") {
       "echo quxx\n"
+    } else if cfg!(target_os = "openbsd") {
+      "echo bob\n"
     } else {
       panic!("unexpected os family")
     })
@@ -75,10 +83,11 @@ fn all() {
   Test::new()
     .justfile(
       "
-      [macos]
-      [windows]
       [linux]
+      [macos]
+      [openbsd]
       [unix]
+      [windows]
       foo:
         echo bar
     ",