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use anyhow::{format_err, Context, Result};
use super::commands;
use super::common;
#[derive(Debug, serde::Serialize, serde::Deserialize)]
pub struct StaticData {
pub name: String,
pub registry_host_names: Vec<String>,
}
#[derive(Debug, Clone)]
pub struct ProcessExtension {
process_path_: std::path::PathBuf,
name_: String,
registry_host_names_: Vec<String>,
}
impl common::FromProcess for ProcessExtension {
fn from_process(
process_path: &std::path::PathBuf,
extension_config_path: &std::path::PathBuf,
) -> Result<Self>
where
Self: Sized,
{
let static_data: StaticData = if extension_config_path.is_file() {
let file = std::fs::File::open(&extension_config_path)?;
let reader = std::io::BufReader::new(file);
serde_json::from_reader(reader)?
} else {
let static_data: Box<StaticData> = run_process(&process_path, &vec!["static-data"])?;
let static_data = *static_data;
let file = std::fs::OpenOptions::new()
.write(true)
.create(true)
.open(&extension_config_path)
.context(format!(
"Can't open/create file for writing: {}",
extension_config_path.display()
))?;
let writer = std::io::BufWriter::new(file);
serde_json::to_writer(writer, &static_data)?;
static_data
};
Ok(ProcessExtension {
process_path_: process_path.clone(),
name_: static_data.name,
registry_host_names_: static_data.registry_host_names,
})
}
}
impl common::Extension for ProcessExtension {
fn name(&self) -> String {
self.name_.clone()
}
fn registries(&self) -> Vec<String> {
self.registry_host_names_.clone()
}
fn package_dependencies_locks(
&self,
package_name: &str,
package_version: &Option<&str>,
extension_args: &Vec<String>,
) -> Result<commands::package_dependencies_locks::PackageDependenciesLocks> {
let mut args = vec![
super::commands::package_dependencies_locks::COMMAND_NAME,
"--package-name",
package_name,
];
if let Some(package_version) = package_version {
args.push("--package-version");
args.push(package_version);
}
for extension_arg in extension_args {
args.push("--extension-args");
args.push(extension_arg);
}
let output: Box<commands::package_dependencies_locks::PackageDependenciesLocks> =
run_process(&self.process_path_, &args)?;
Ok(*output)
}
fn fs_defined_dependencies_locks(
&self,
working_directory: &std::path::PathBuf,
extension_args: &Vec<String>,
) -> Result<commands::fs_defined_dependencies_locks::FsDefinedDependenciesLocks> {
let working_directory = working_directory.to_str().ok_or(format_err!(
"Failed to parse path into string: {}",
working_directory.display()
))?;
let mut args = vec![
super::commands::fs_defined_dependencies_locks::COMMAND_NAME,
"--working-directory",
working_directory,
];
for extension_arg in extension_args {
args.push("--extension-args");
args.push(extension_arg);
}
let output: Box<commands::fs_defined_dependencies_locks::FsDefinedDependenciesLocks> =
run_process(&self.process_path_, &args)?;
Ok(*output)
}
}
#[derive(Debug, Clone, Hash, Eq, PartialEq, serde::Serialize, serde::Deserialize)]
pub struct ProcessResult<T> {
pub ok: Option<T>,
pub err: Option<String>,
}
fn run_process<'a, T: ?Sized>(process_path: &std::path::PathBuf, args: &Vec<&str>) -> Result<Box<T>>
where
for<'de> T: serde::Deserialize<'de> + 'a,
{
log::debug!(
"Executing extensions process call with arguments\n{:?}",
args
);
let process = process_path.to_str().ok_or(format_err!(
"Failed to parse string from process path: {}",
process_path.display()
))?;
let handle = std::process::Command::new(process)
.args(args)
.stdin(std::process::Stdio::null())
.stderr(std::process::Stdio::piped())
.stdout(std::process::Stdio::piped())
.output()?;
let stdout = String::from_utf8_lossy(&handle.stdout);
let stdout = stdout.to_string();
let result = hex::decode(&stdout)?.clone();
let process_result: ProcessResult<T> =
bincode::deserialize(&result).expect("deserialize result with bincode");
if let Some(result) = process_result.ok {
Ok(Box::new(result))
} else if let Some(result) = process_result.err {
Err(format_err!(result))
} else {
Err(format_err!("Failed to find ok or err result from process."))
}
}
#[test]
fn test_deserialize() -> Result<()> {
let stdout = "0109000000000000006e706d6a732e636f6d01070000000000000069732d6576656e0500000000000000312e302e30000400000000000000090000000000000069732d6275666665720500000000000000312e312e3600090000000000000069732d6e756d6265720500000000000000332e302e3000060000000000000069732d6f64640500000000000000302e312e320007000000000000006b696e642d6f660500000000000000332e322e320000";
let result = hex::decode(&stdout)?.clone();
let process_result: ProcessResult<
crate::extension::commands::package_dependencies_locks::PackageDependenciesLocks,
> = bincode::deserialize(&result).expect("deserialize result with bincode");
println!("process_result: {:?}", process_result);
Ok(())
}
