refactor: remove version::is_canary(), use ReleaseChannel instead (#25053)

In preparation for https://github.com/denoland/deno/pull/25014, this
commit removes public `is_canary()` method and instead uses an enum
`ReleaseChannel` to be able to designate more "kinds" of builds.

1 files changed, 55 insertions, 0 deletions

diff --git a/cli/shared.rs b/cli/shared.rs
new file mode 100644
index 000000000..36e7e1d01
--- /dev/null
+++ b/cli/shared.rs
@@ -0,0 +1,55 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+use deno_core::anyhow::bail;
+use deno_core::error::AnyError;
+
+#[derive(Debug, Clone, Copy, PartialEq)]
+pub enum ReleaseChannel {
+  /// Stable version, eg. 1.45.4, 2.0.0, 2.1.0
+  Stable,
+
+  /// Pointing to a git hash
+  Canary,
+
+  /// Long term support release
+  #[allow(unused)]
+  Lts,
+
+  /// Release candidate, poiting to a git hash
+  Rc,
+}
+
+impl ReleaseChannel {
+  pub fn name(&self) -> &str {
+    match self {
+      Self::Stable => "latest",
+      Self::Canary => "canary",
+      Self::Rc => "release candidate",
+      Self::Lts => "LTS (long term support)",
+    }
+  }
+
+  // NOTE(bartlomieju): do not ever change these values, tools like `patchver`
+  // rely on them.
+  pub fn serialize(&self) -> String {
+    match self {
+      Self::Stable => "stable",
+      Self::Canary => "canary",
+      Self::Rc => "rc",
+      Self::Lts => "lts",
+    }
+    .to_string()
+  }
+
+  // NOTE(bartlomieju): do not ever change these values, tools like `patchver`
+  // rely on them.
+  pub fn deserialize(str_: &str) -> Result<Self, AnyError> {
+    Ok(match str_ {
+      "stable" => Self::Stable,
+      "canary" => Self::Canary,
+      "rc" => Self::Rc,
+      "lts" => Self::Lts,
+      unknown => bail!("Unrecognized release channel: {}", unknown),
+    })
+  }
+}