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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| #!/usr/bin/env bash | ||
| set -euo pipefail | ||
| # shellcheck source-path=SCRIPTDIR | ||
| source "$(dirname "$0")/assert.sh" | ||
|
|
||
| export RTX_EXPERIMENTAL=1 | ||
|
|
||
| assert_contains "rtx x [email protected] -- erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().' -noshell" "XXXXXXXX" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| use std::path::PathBuf; | ||
|
|
||
| use color_eyre::eyre::Result; | ||
|
|
||
| use crate::config::Settings; | ||
|
|
||
| use crate::file::display_path; | ||
| use crate::install_context::InstallContext; | ||
| use crate::lock_file::LockFile; | ||
| use crate::plugins::core::CorePlugin; | ||
| use crate::plugins::{Plugin, HTTP}; | ||
| use crate::toolset::ToolVersionRequest; | ||
| use crate::{cmd, file}; | ||
|
|
||
| #[derive(Debug)] | ||
| pub struct ErlangPlugin { | ||
| core: CorePlugin, | ||
| } | ||
|
|
||
| const KERL_VERSION: &str = "4.0.0"; | ||
|
|
||
| impl ErlangPlugin { | ||
| pub fn new() -> Self { | ||
| Self { | ||
| core: CorePlugin::new("erlang"), | ||
| } | ||
| } | ||
|
|
||
| fn kerl_path(&self) -> PathBuf { | ||
| self.core.cache_path.join(format!("kerl-{}", KERL_VERSION)) | ||
| } | ||
|
|
||
| fn lock_build_tool(&self) -> Result<fslock::LockFile> { | ||
| LockFile::new(&self.kerl_path()) | ||
| .with_callback(|l| { | ||
| trace!("install_or_update_kerl {}", l.display()); | ||
| }) | ||
| .lock() | ||
| } | ||
|
|
||
| fn update_kerl(&self) -> Result<()> { | ||
| let _lock = self.lock_build_tool(); | ||
| if self.kerl_path().exists() { | ||
| return Ok(()); | ||
| } | ||
| self.install_kerl() | ||
| } | ||
|
|
||
| fn install_kerl(&self) -> Result<()> { | ||
| debug!("Installing kerl to {}", display_path(&self.kerl_path())); | ||
| HTTP.download_file( | ||
| format!("https://raw.githubusercontent.com/kerl/kerl/{KERL_VERSION}/kerl"), | ||
| &self.kerl_path(), | ||
| )?; | ||
| file::make_executable(&self.kerl_path())?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn fetch_remote_versions(&self) -> Result<Vec<String>> { | ||
| match self.core.fetch_remote_versions_from_rtx() { | ||
| Ok(Some(versions)) => return Ok(versions), | ||
| Ok(None) => {} | ||
| Err(e) => warn!("failed to fetch remote versions: {}", e), | ||
| } | ||
| self.update_kerl()?; | ||
| let versions = CorePlugin::run_fetch_task_with_timeout(move || { | ||
| dbg!(self.kerl_path()); | ||
| let output = cmd!(self.kerl_path(), "list", "releases", "all").read()?; | ||
| let versions = output | ||
| .split('\n') | ||
| .filter(|s| regex!(r"^[0-9].+$").is_match(s)) | ||
| .map(|s| s.to_string()) | ||
| .collect(); | ||
| Ok(versions) | ||
| })?; | ||
| Ok(versions) | ||
| } | ||
| } | ||
|
|
||
| impl Plugin for ErlangPlugin { | ||
| fn name(&self) -> &str { | ||
| self.core.name | ||
| } | ||
|
|
||
| fn list_remote_versions(&self, _settings: &Settings) -> Result<Vec<String>> { | ||
| self.core | ||
| .remote_version_cache | ||
| .get_or_try_init(|| self.fetch_remote_versions()) | ||
| .cloned() | ||
| } | ||
|
|
||
| fn install_version_impl(&self, ctx: &InstallContext) -> Result<()> { | ||
| self.update_kerl()?; | ||
|
|
||
| file::remove_all(ctx.tv.install_path())?; | ||
| let build_name = format!("rtx_{}", ctx.tv.version); | ||
| match &ctx.tv.request { | ||
| ToolVersionRequest::Ref(..) => { | ||
| unimplemented!("erlang does not yet support refs"); | ||
| } | ||
| ToolVersionRequest::Version(..) => { | ||
| cmd!( | ||
| self.kerl_path(), | ||
| "build-install", | ||
| &ctx.tv.version, | ||
| &build_name, | ||
| ctx.tv.install_path() | ||
| ) | ||
| .run()?; | ||
| } | ||
| _ => unimplemented!(), | ||
| } | ||
|
|
||
| Ok(()) | ||
| } | ||
| } | ||
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