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This commit is contained in:
despiegk
2025-04-05 15:38:43 +02:00
parent 7bf2ffe47d
commit 0fa9eddd1c
12 changed files with 1737 additions and 21 deletions
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22
src/docs/docs/sal/os.md
View File

@@ -145,6 +145,28 @@ delete("temp.txt");
delete("temp_dir");
```
### `mv(src, dest)`
Moves a file or directory from source to destination.
**Parameters:**
- `src` (string): The source path
- `dest` (string): The destination path
**Returns:** A message confirming the move was successful.
**Example:**
```js
// Move a file
mv("file.txt", "new_location/file.txt");
// Move a directory
mv("source_dir", "destination_dir");
// Rename a file
mv("old_name.txt", "new_name.txt");
```
### `mkdir(path)`
Creates a directory and all parent directories. This function is defensive and doesn't error if the directory already exists.

133
src/os/fs.rs
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@@ -124,7 +124,16 @@ pub fn copy(src: &str, dest: &str) -> Result<String, FsError> {
for path in paths {
let target_path = if dest_is_dir {
// If destination is a directory, copy the file into it
dest_path.join(path.file_name().unwrap_or_default())
if path.is_file() {
// For files, just use the filename
dest_path.join(path.file_name().unwrap_or_default())
} else if path.is_dir() {
// For directories, use the directory name
dest_path.join(path.file_name().unwrap_or_default())
} else {
// Fallback
dest_path.join(path.file_name().unwrap_or_default())
}
} else {
// Otherwise use the destination as is (only makes sense for single file)
dest_path.to_path_buf()
@@ -186,9 +195,17 @@ pub fn copy(src: &str, dest: &str) -> Result<String, FsError> {
// Copy based on source type
if src_path.is_file() {
// Copy file
fs::copy(src_path, dest_path).map_err(FsError::CopyFailed)?;
Ok(format!("Successfully copied file '{}' to '{}'", src, dest))
// If destination is a directory, copy the file into it
if dest_path.exists() && dest_path.is_dir() {
let file_name = src_path.file_name().unwrap_or_default();
let new_dest_path = dest_path.join(file_name);
fs::copy(src_path, new_dest_path).map_err(FsError::CopyFailed)?;
Ok(format!("Successfully copied file '{}' to '{}/{}'", src, dest, file_name.to_string_lossy()))
} else {
// Otherwise copy file to the specified destination
fs::copy(src_path, dest_path).map_err(FsError::CopyFailed)?;
Ok(format!("Successfully copied file '{}' to '{}'", src, dest))
}
} else if src_path.is_dir() {
// For directories, use platform-specific command
#[cfg(target_os = "windows")]
@@ -743,6 +760,114 @@ pub fn file_write_append(path: &str, content: &str) -> Result<String, FsError> {
Ok(format!("Successfully appended to file '{}'", path))
}
/**
* Move a file or directory from source to destination.
*
* # Arguments
*
* * `src` - The source path
* * `dest` - The destination path
*
* # Returns
*
* * `Ok(String)` - A success message indicating what was moved
* * `Err(FsError)` - An error if the move operation failed
*
* # Examples
*
* ```
* // Move a file
* let result = mv("file.txt", "new_location/file.txt")?;
*
* // Move a directory
* let result = mv("src_dir", "dest_dir")?;
*
* // Rename a file
* let result = mv("old_name.txt", "new_name.txt")?;
* ```
*/
pub fn mv(src: &str, dest: &str) -> Result<String, FsError> {
let src_path = Path::new(src);
let dest_path = Path::new(dest);
// Check if source exists
if !src_path.exists() {
return Err(FsError::FileNotFound(src.to_string()));
}
// Create parent directories if they don't exist
if let Some(parent) = dest_path.parent() {
fs::create_dir_all(parent).map_err(FsError::CreateDirectoryFailed)?;
}
// Handle the case where destination is a directory and exists
let final_dest_path = if dest_path.exists() && dest_path.is_dir() && src_path.is_file() {
// If destination is a directory and source is a file, move the file into the directory
let file_name = src_path.file_name().unwrap_or_default();
dest_path.join(file_name)
} else {
dest_path.to_path_buf()
};
// Clone the path for use in the error handler
let final_dest_path_clone = final_dest_path.clone();
// Perform the move operation
fs::rename(src_path, &final_dest_path).map_err(|e| {
// If rename fails (possibly due to cross-device link), try copy and delete
if e.kind() == std::io::ErrorKind::CrossesDevices {
// For cross-device moves, we need to copy and then delete
if src_path.is_file() {
// Copy file
match fs::copy(src_path, &final_dest_path_clone) {
Ok(_) => {
// Delete source after successful copy
if let Err(del_err) = fs::remove_file(src_path) {
return FsError::DeleteFailed(del_err);
}
return FsError::CommandFailed("".to_string()); // This is a hack to trigger the success message
},
Err(copy_err) => return FsError::CopyFailed(copy_err),
}
} else if src_path.is_dir() {
// For directories, use platform-specific command
#[cfg(target_os = "windows")]
let output = Command::new("xcopy")
.args(&["/E", "/I", "/H", "/Y", src, dest])
.status();
#[cfg(not(target_os = "windows"))]
let output = Command::new("cp")
.args(&["-R", src, dest])
.status();
match output {
Ok(status) => {
if status.success() {
// Delete source after successful copy
if let Err(del_err) = fs::remove_dir_all(src_path) {
return FsError::DeleteFailed(del_err);
}
return FsError::CommandFailed("".to_string()); // This is a hack to trigger the success message
} else {
return FsError::CommandFailed("Failed to copy directory for move operation".to_string());
}
},
Err(cmd_err) => return FsError::CommandExecutionError(cmd_err),
}
}
}
FsError::CommandFailed(format!("Failed to move '{}' to '{}': {}", src, dest, e))
})?;
// If we get here, either the rename was successful or our copy-delete hack worked
if src_path.is_file() {
Ok(format!("Successfully moved file '{}' to '{}'", src, dest))
} else {
Ok(format!("Successfully moved directory '{}' to '{}'", src, dest))
}
}
/**
* Check if a command exists in the system PATH.
*

4
src/os/mod.rs
View File

@@ -1,5 +1,7 @@
mod fs;
mod download;
pub mod package;
pub use fs::*;
pub use download::*;
pub use download::*;
pub use package::*;

421
src/os/package.rs Normal file
View File

@@ -0,0 +1,421 @@
use std::process::Command;
use crate::process::CommandResult;
/// Error type for package management operations
#[derive(Debug)]
pub enum PackageError {
/// Command failed with error message
CommandFailed(String),
/// Command execution failed with IO error
CommandExecutionFailed(std::io::Error),
/// Unsupported platform
UnsupportedPlatform(String),
/// Other error
Other(String),
}
impl std::fmt::Display for PackageError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
PackageError::CommandFailed(msg) => write!(f, "Command failed: {}", msg),
PackageError::CommandExecutionFailed(e) => write!(f, "Command execution failed: {}", e),
PackageError::UnsupportedPlatform(msg) => write!(f, "Unsupported platform: {}", msg),
PackageError::Other(msg) => write!(f, "Error: {}", msg),
}
}
}
impl std::error::Error for PackageError {}
/// Platform enum for detecting the current operating system
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum Platform {
/// Ubuntu Linux
Ubuntu,
/// macOS
MacOS,
/// Unknown platform
Unknown,
}
impl Platform {
/// Detect the current platform
pub fn detect() -> Self {
// Check for macOS
if std::path::Path::new("/usr/bin/sw_vers").exists() {
return Platform::MacOS;
}
// Check for Ubuntu
if std::path::Path::new("/etc/lsb-release").exists() {
// Read the file to confirm it's Ubuntu
if let Ok(content) = std::fs::read_to_string("/etc/lsb-release") {
if content.contains("Ubuntu") {
return Platform::Ubuntu;
}
}
}
Platform::Unknown
}
}
/// Thread-local storage for debug flag
thread_local! {
static DEBUG: std::cell::RefCell<bool> = std::cell::RefCell::new(false);
}
/// Set the debug flag for the current thread
pub fn set_thread_local_debug(debug: bool) {
DEBUG.with(|cell| {
*cell.borrow_mut() = debug;
});
}
/// Get the debug flag for the current thread
pub fn thread_local_debug() -> bool {
DEBUG.with(|cell| {
*cell.borrow()
})
}
/// Execute a package management command and return the result
pub fn execute_package_command(args: &[&str], debug: bool) -> Result<CommandResult, PackageError> {
// Save the current debug flag
let previous_debug = thread_local_debug();
// Set the thread-local debug flag
set_thread_local_debug(debug);
if debug {
println!("Executing command: {}", args.join(" "));
}
let output = Command::new(args[0])
.args(&args[1..])
.output();
// Restore the previous debug flag
set_thread_local_debug(previous_debug);
match output {
Ok(output) => {
let stdout = String::from_utf8_lossy(&output.stdout).to_string();
let stderr = String::from_utf8_lossy(&output.stderr).to_string();
let result = CommandResult {
stdout,
stderr,
success: output.status.success(),
code: output.status.code().unwrap_or(-1),
};
// Always output stdout/stderr when debug is true
if debug {
if !result.stdout.is_empty() {
println!("Command stdout: {}", result.stdout);
}
if !result.stderr.is_empty() {
println!("Command stderr: {}", result.stderr);
}
if result.success {
println!("Command succeeded with code {}", result.code);
} else {
println!("Command failed with code {}", result.code);
}
}
if result.success {
Ok(result)
} else {
// If command failed and debug is false, output stderr
if !debug {
println!("Command failed with code {}: {}", result.code, result.stderr.trim());
}
Err(PackageError::CommandFailed(format!("Command failed with code {}: {}",
result.code, result.stderr.trim())))
}
},
Err(e) => {
// Always output error information
println!("Command execution failed: {}", e);
Err(PackageError::CommandExecutionFailed(e))
}
}
}
/// Trait for package managers
pub trait PackageManager {
/// Install a package
fn install(&self, package: &str) -> Result<CommandResult, PackageError>;
/// Remove a package
fn remove(&self, package: &str) -> Result<CommandResult, PackageError>;
/// Update package lists
fn update(&self) -> Result<CommandResult, PackageError>;
/// Upgrade installed packages
fn upgrade(&self) -> Result<CommandResult, PackageError>;
/// List installed packages
fn list_installed(&self) -> Result<Vec<String>, PackageError>;
/// Search for packages
fn search(&self, query: &str) -> Result<Vec<String>, PackageError>;
/// Check if a package is installed
fn is_installed(&self, package: &str) -> Result<bool, PackageError>;
}
/// APT package manager for Ubuntu
pub struct AptPackageManager {
debug: bool,
}
impl AptPackageManager {
/// Create a new APT package manager
pub fn new(debug: bool) -> Self {
Self { debug }
}
}
impl PackageManager for AptPackageManager {
fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
// Use -y to make it non-interactive and --quiet to reduce output
execute_package_command(&["apt-get", "install", "-y", "--quiet", package], self.debug)
}
fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
// Use -y to make it non-interactive and --quiet to reduce output
execute_package_command(&["apt-get", "remove", "-y", "--quiet", package], self.debug)
}
fn update(&self) -> Result<CommandResult, PackageError> {
// Use -y to make it non-interactive and --quiet to reduce output
execute_package_command(&["apt-get", "update", "-y", "--quiet"], self.debug)
}
fn upgrade(&self) -> Result<CommandResult, PackageError> {
// Use -y to make it non-interactive and --quiet to reduce output
execute_package_command(&["apt-get", "upgrade", "-y", "--quiet"], self.debug)
}
fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["dpkg", "--get-selections"], self.debug)?;
let packages = result.stdout
.lines()
.filter_map(|line| {
let parts: Vec<&str> = line.split_whitespace().collect();
if parts.len() >= 2 && parts[1] == "install" {
Some(parts[0].to_string())
} else {
None
}
})
.collect();
Ok(packages)
}
fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["apt-cache", "search", query], self.debug)?;
let packages = result.stdout
.lines()
.map(|line| {
let parts: Vec<&str> = line.split_whitespace().collect();
if !parts.is_empty() {
parts[0].to_string()
} else {
String::new()
}
})
.filter(|s| !s.is_empty())
.collect();
Ok(packages)
}
fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let result = execute_package_command(&["dpkg", "-s", package], self.debug);
match result {
Ok(cmd_result) => Ok(cmd_result.success),
Err(_) => Ok(false),
}
}
}
/// Homebrew package manager for macOS
pub struct BrewPackageManager {
debug: bool,
}
impl BrewPackageManager {
/// Create a new Homebrew package manager
pub fn new(debug: bool) -> Self {
Self { debug }
}
}
impl PackageManager for BrewPackageManager {
fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
// Use --quiet to reduce output
execute_package_command(&["brew", "install", "--quiet", package], self.debug)
}
fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
// Use --quiet to reduce output
execute_package_command(&["brew", "uninstall", "--quiet", package], self.debug)
}
fn update(&self) -> Result<CommandResult, PackageError> {
// Use --quiet to reduce output
execute_package_command(&["brew", "update", "--quiet"], self.debug)
}
fn upgrade(&self) -> Result<CommandResult, PackageError> {
// Use --quiet to reduce output
execute_package_command(&["brew", "upgrade", "--quiet"], self.debug)
}
fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["brew", "list", "--formula"], self.debug)?;
let packages = result.stdout
.lines()
.map(|line| line.trim().to_string())
.filter(|s| !s.is_empty())
.collect();
Ok(packages)
}
fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["brew", "search", query], self.debug)?;
let packages = result.stdout
.lines()
.map(|line| line.trim().to_string())
.filter(|s| !s.is_empty())
.collect();
Ok(packages)
}
fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let result = execute_package_command(&["brew", "list", package], self.debug);
match result {
Ok(cmd_result) => Ok(cmd_result.success),
Err(_) => Ok(false),
}
}
}
/// PackHero factory for package management
pub struct PackHero {
platform: Platform,
debug: bool,
}
impl PackHero {
/// Create a new PackHero instance
pub fn new() -> Self {
let platform = Platform::detect();
Self {
platform,
debug: false,
}
}
/// Set the debug mode
pub fn set_debug(&mut self, debug: bool) -> &mut Self {
self.debug = debug;
self
}
/// Get the debug mode
pub fn debug(&self) -> bool {
self.debug
}
/// Get the detected platform
pub fn platform(&self) -> Platform {
self.platform
}
/// Get a package manager for the current platform
fn get_package_manager(&self) -> Result<Box<dyn PackageManager>, PackageError> {
match self.platform {
Platform::Ubuntu => Ok(Box::new(AptPackageManager::new(self.debug))),
Platform::MacOS => Ok(Box::new(BrewPackageManager::new(self.debug))),
Platform::Unknown => Err(PackageError::UnsupportedPlatform("Unsupported platform".to_string())),
}
}
/// Install a package
pub fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.install(package)
}
/// Remove a package
pub fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.remove(package)
}
/// Update package lists
pub fn update(&self) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.update()
}
/// Upgrade installed packages
pub fn upgrade(&self) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.upgrade()
}
/// List installed packages
pub fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let pm = self.get_package_manager()?;
pm.list_installed()
}
/// Search for packages
pub fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let pm = self.get_package_manager()?;
pm.search(query)
}
/// Check if a package is installed
pub fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let pm = self.get_package_manager()?;
pm.is_installed(package)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_platform_detection() {
// This test will return different results depending on the platform it's run on
let platform = Platform::detect();
println!("Detected platform: {:?}", platform);
// Just ensure it doesn't panic
assert!(true);
}
#[test]
fn test_debug_flag() {
// Test setting and getting the debug flag
set_thread_local_debug(true);
assert_eq!(thread_local_debug(), true);
set_thread_local_debug(false);
assert_eq!(thread_local_debug(), false);
}
// More tests would be added for each platform-specific implementation
// These would likely be integration tests that are conditionally compiled
// based on the platform they're running on
}

565
src/package_implementation_plan.md Normal file
View File

@@ -0,0 +1,565 @@
# Package Management Module Implementation Plan
## Overview
The package management module will:
1. Provide a factory called `PackHero` that detects the current platform
2. Implement platform-specific package managers for Ubuntu (apt) and macOS (brew)
3. Support operations: install, remove, update, upgrade, list installed packages, search for packages, and check if a package is installed
4. Include debug functionality similar to buildah
5. Ensure all operations are non-interactive and have proper error propagation
6. Be wrapped in Rhai for scripting access
## Architecture
```mermaid
classDiagram
class PackageError {
+CommandFailed(String)
+CommandExecutionFailed(std::io::Error)
+UnsupportedPlatform(String)
+Other(String)
}
class PackHero {
-platform: Platform
-debug: bool
+new() PackHero
+detect_platform() Platform
+set_debug(bool) PackHero
+debug() bool
+install(package: &str) Result
+remove(package: &str) Result
+update() Result
+upgrade() Result
+list_installed() Result
+search(query: &str) Result
+is_installed(package: &str) Result
}
class Platform {
<<enumeration>>
Ubuntu
MacOS
Unknown
}
class PackageManager {
<<interface>>
+install(package: &str) Result
+remove(package: &str) Result
+update() Result
+upgrade() Result
+list_installed() Result
+search(query: &str) Result
+is_installed(package: &str) Result
}
class AptPackageManager {
-debug: bool
+new(debug: bool) AptPackageManager
+install(package: &str) Result
+remove(package: &str) Result
+update() Result
+upgrade() Result
+list_installed() Result
+search(query: &str) Result
+is_installed(package: &str) Result
}
class BrewPackageManager {
-debug: bool
+new(debug: bool) BrewPackageManager
+install(package: &str) Result
+remove(package: &str) Result
+update() Result
+upgrade() Result
+list_installed() Result
+search(query: &str) Result
+is_installed(package: &str) Result
}
PackHero --> Platform : uses
PackHero --> PackageManager : uses
PackageManager <|.. AptPackageManager : implements
PackageManager <|.. BrewPackageManager : implements
```
## Implementation Details
### 1. Package Error Type
Create a custom error type for package management operations:
```rust
pub enum PackageError {
CommandFailed(String),
CommandExecutionFailed(std::io::Error),
UnsupportedPlatform(String),
Other(String),
}
```
### 2. Platform Detection
Implement platform detection to determine which package manager to use:
```rust
pub enum Platform {
Ubuntu,
MacOS,
Unknown,
}
impl Platform {
pub fn detect() -> Self {
// Check for macOS
if std::path::Path::new("/usr/bin/sw_vers").exists() {
return Platform::MacOS;
}
// Check for Ubuntu
if std::path::Path::new("/etc/lsb-release").exists() {
// Read the file to confirm it's Ubuntu
if let Ok(content) = std::fs::read_to_string("/etc/lsb-release") {
if content.contains("Ubuntu") {
return Platform::Ubuntu;
}
}
}
Platform::Unknown
}
}
```
### 3. Package Manager Trait
Define a trait for package managers to implement:
```rust
pub trait PackageManager {
fn install(&self, package: &str) -> Result<CommandResult, PackageError>;
fn remove(&self, package: &str) -> Result<CommandResult, PackageError>;
fn update(&self) -> Result<CommandResult, PackageError>;
fn upgrade(&self) -> Result<CommandResult, PackageError>;
fn list_installed(&self) -> Result<Vec<String>, PackageError>;
fn search(&self, query: &str) -> Result<Vec<String>, PackageError>;
fn is_installed(&self, package: &str) -> Result<bool, PackageError>;
}
```
### 4. Platform-Specific Implementations
#### Ubuntu (apt) Implementation
```rust
pub struct AptPackageManager {
debug: bool,
}
impl AptPackageManager {
pub fn new(debug: bool) -> Self {
Self { debug }
}
}
impl PackageManager for AptPackageManager {
fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
execute_package_command(&["apt-get", "install", "-y", package], self.debug)
}
fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
execute_package_command(&["apt-get", "remove", "-y", package], self.debug)
}
fn update(&self) -> Result<CommandResult, PackageError> {
execute_package_command(&["apt-get", "update", "-y"], self.debug)
}
fn upgrade(&self) -> Result<CommandResult, PackageError> {
execute_package_command(&["apt-get", "upgrade", "-y"], self.debug)
}
fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["dpkg", "--get-selections"], self.debug)?;
let packages = result.stdout
.lines()
.filter_map(|line| {
let parts: Vec<&str> = line.split_whitespace().collect();
if parts.len() >= 2 && parts[1] == "install" {
Some(parts[0].to_string())
} else {
None
}
})
.collect();
Ok(packages)
}
fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["apt-cache", "search", query], self.debug)?;
let packages = result.stdout
.lines()
.map(|line| {
let parts: Vec<&str> = line.split_whitespace().collect();
if !parts.is_empty() {
parts[0].to_string()
} else {
String::new()
}
})
.filter(|s| !s.is_empty())
.collect();
Ok(packages)
}
fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let result = execute_package_command(&["dpkg", "-s", package], self.debug);
match result {
Ok(cmd_result) => Ok(cmd_result.success),
Err(_) => Ok(false),
}
}
}
```
#### macOS (brew) Implementation
```rust
pub struct BrewPackageManager {
debug: bool,
}
impl BrewPackageManager {
pub fn new(debug: bool) -> Self {
Self { debug }
}
}
impl PackageManager for BrewPackageManager {
fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
execute_package_command(&["brew", "install", package], self.debug)
}
fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
execute_package_command(&["brew", "uninstall", package], self.debug)
}
fn update(&self) -> Result<CommandResult, PackageError> {
execute_package_command(&["brew", "update"], self.debug)
}
fn upgrade(&self) -> Result<CommandResult, PackageError> {
execute_package_command(&["brew", "upgrade"], self.debug)
}
fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["brew", "list", "--formula"], self.debug)?;
let packages = result.stdout
.lines()
.map(|line| line.trim().to_string())
.filter(|s| !s.is_empty())
.collect();
Ok(packages)
}
fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let result = execute_package_command(&["brew", "search", query], self.debug)?;
let packages = result.stdout
.lines()
.map(|line| line.trim().to_string())
.filter(|s| !s.is_empty())
.collect();
Ok(packages)
}
fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let result = execute_package_command(&["brew", "list", package], self.debug);
match result {
Ok(cmd_result) => Ok(cmd_result.success),
Err(_) => Ok(false),
}
}
}
```
### 5. Command Execution with Debug Support
Implement a function to execute package management commands with debug support:
```rust
// Thread-local storage for debug flag
thread_local! {
static DEBUG: std::cell::RefCell<bool> = std::cell::RefCell::new(false);
}
/// Set the debug flag for the current thread
pub fn set_thread_local_debug(debug: bool) {
DEBUG.with(|cell| {
*cell.borrow_mut() = debug;
});
}
/// Get the debug flag for the current thread
pub fn thread_local_debug() -> bool {
DEBUG.with(|cell| {
*cell.borrow()
})
}
/// Execute a package management command and return the result
pub fn execute_package_command(args: &[&str], debug: bool) -> Result<CommandResult, PackageError> {
// Save the current debug flag
let previous_debug = thread_local_debug();
// Set the thread-local debug flag
set_thread_local_debug(debug);
if debug {
println!("Executing command: {}", args.join(" "));
}
let output = Command::new(args[0])
.args(&args[1..])
.output();
// Restore the previous debug flag
set_thread_local_debug(previous_debug);
match output {
Ok(output) => {
let stdout = String::from_utf8_lossy(&output.stdout).to_string();
let stderr = String::from_utf8_lossy(&output.stderr).to_string();
let result = CommandResult {
stdout,
stderr,
success: output.status.success(),
code: output.status.code().unwrap_or(-1),
};
// Always output stdout/stderr when debug is true
if debug {
if !result.stdout.is_empty() {
println!("Command stdout: {}", result.stdout);
}
if !result.stderr.is_empty() {
println!("Command stderr: {}", result.stderr);
}
if result.success {
println!("Command succeeded with code {}", result.code);
} else {
println!("Command failed with code {}", result.code);
}
}
if result.success {
Ok(result)
} else {
// If command failed and debug is false, output stderr
if !debug {
println!("Command failed with code {}: {}", result.code, result.stderr.trim());
}
Err(PackageError::CommandFailed(format!("Command failed with code {}: {}",
result.code, result.stderr.trim())))
}
},
Err(e) => {
// Always output error information
println!("Command execution failed: {}", e);
Err(PackageError::CommandExecutionFailed(e))
}
}
}
```
### 6. PackHero Factory
Implement the PackHero factory to provide a unified interface:
```rust
pub struct PackHero {
platform: Platform,
debug: bool,
}
impl PackHero {
pub fn new() -> Self {
let platform = Platform::detect();
Self {
platform,
debug: false,
}
}
pub fn set_debug(&mut self, debug: bool) -> &mut Self {
self.debug = debug;
self
}
pub fn debug(&self) -> bool {
self.debug
}
fn get_package_manager(&self) -> Result<Box<dyn PackageManager>, PackageError> {
match self.platform {
Platform::Ubuntu => Ok(Box::new(AptPackageManager::new(self.debug))),
Platform::MacOS => Ok(Box::new(BrewPackageManager::new(self.debug))),
Platform::Unknown => Err(PackageError::UnsupportedPlatform("Unsupported platform".to_string())),
}
}
pub fn install(&self, package: &str) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.install(package)
}
pub fn remove(&self, package: &str) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.remove(package)
}
pub fn update(&self) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.update()
}
pub fn upgrade(&self) -> Result<CommandResult, PackageError> {
let pm = self.get_package_manager()?;
pm.upgrade()
}
pub fn list_installed(&self) -> Result<Vec<String>, PackageError> {
let pm = self.get_package_manager()?;
pm.list_installed()
}
pub fn search(&self, query: &str) -> Result<Vec<String>, PackageError> {
let pm = self.get_package_manager()?;
pm.search(query)
}
pub fn is_installed(&self, package: &str) -> Result<bool, PackageError> {
let pm = self.get_package_manager()?;
pm.is_installed(package)
}
}
```
### 7. Rhai Integration
Update the Rhai OS module to include the package management functions:
```rust
// In rhai/os.rs
// Register package management functions
engine.register_fn("package_install", package_install);
engine.register_fn("package_remove", package_remove);
engine.register_fn("package_update", package_update);
engine.register_fn("package_upgrade", package_upgrade);
engine.register_fn("package_list", package_list);
engine.register_fn("package_search", package_search);
engine.register_fn("package_is_installed", package_is_installed);
engine.register_fn("package_set_debug", package_set_debug);
// Wrapper for os::package::install
pub fn package_install(package: &str) -> Result<String, Box<EvalAltResult>> {
let hero = os::package::PackHero::new();
hero.install(package)
.map(|_| "Package installed successfully".to_string())
.to_rhai_error()
}
// Wrapper for os::package::remove
pub fn package_remove(package: &str) -> Result<String, Box<EvalAltResult>> {
let hero = os::package::PackHero::new();
hero.remove(package)
.map(|_| "Package removed successfully".to_string())
.to_rhai_error()
}
// Wrapper for os::package::update
pub fn package_update() -> Result<String, Box<EvalAltResult>> {
let hero = os::package::PackHero::new();
hero.update()
.map(|_| "Package lists updated successfully".to_string())
.to_rhai_error()
}
// Wrapper for os::package::upgrade
pub fn package_upgrade() -> Result<String, Box<EvalAltResult>> {
let hero = os::package::PackHero::new();
hero.upgrade()
.map(|_| "Packages upgraded successfully".to_string())
.to_rhai_error()
}
// Wrapper for os::package::list_installed
pub fn package_list() -> Result<Array, Box<EvalAltResult>> {
let hero = os::package::PackHero::new();
let packages = hero.list_installed().to_rhai_error()?;
// Convert Vec<String> to Rhai Array
let mut array = Array::new();
for package in packages {
array.push(package.into());
}
Ok(array)
}
// Wrapper for os::package::search
pub fn package_search(query: &str) -> Result<Array, Box<EvalAltResult>> {
let hero = os::package::PackHero::new();
let packages = hero.search(query).to_rhai_error()?;
// Convert Vec<String> to Rhai Array
let mut array = Array::new();
for package in packages {
array.push(package.into());
}
Ok(array)
}
// Wrapper for os::package::is_installed
pub fn package_is_installed(package: &str) -> Result<bool, Box<EvalAltResult>> {
let hero = os::package::PackHero::new();
hero.is_installed(package).to_rhai_error()
}
// Global debug flag for package management
static mut PACKAGE_DEBUG: bool = false;
// Wrapper for setting package debug mode
pub fn package_set_debug(debug: bool) -> bool {
unsafe {
PACKAGE_DEBUG = debug;
PACKAGE_DEBUG
}
}
```
## Implementation Steps
1. Create the package.rs file in the os directory
2. Implement the PackageError enum
3. Implement the Platform enum with detection logic
4. Implement the PackageManager trait
5. Implement the AptPackageManager for Ubuntu
6. Implement the BrewPackageManager for macOS
7. Implement the debug functionality with thread-local storage
8. Implement the PackHero factory
9. Update os/mod.rs to include the package module
10. Update rhai/os.rs to include the package management functions
11. Test the implementation on both Ubuntu and macOS
## Testing Strategy
1. Create unit tests for each platform-specific implementation
2. Create integration tests that verify the PackHero factory correctly detects the platform and uses the appropriate package manager
3. Create Rhai examples that demonstrate the use of the package management functions

134
src/rhai/os.rs
View File

@@ -4,6 +4,7 @@
use rhai::{Engine, EvalAltResult, Array};
use crate::os;
use crate::os::package::PackHero;
use super::error::{ToRhaiError, register_error_types};
/// Register OS module functions with the Rhai engine
@@ -45,6 +46,20 @@ pub fn register_os_module(engine: &mut Engine) -> Result<(), Box<EvalAltResult>>
engine.register_fn("download_install", download_install);
engine.register_fn("chmod_exec", chmod_exec);
// Register move function
engine.register_fn("mv", mv);
// Register package management functions
engine.register_fn("package_install", package_install);
engine.register_fn("package_remove", package_remove);
engine.register_fn("package_update", package_update);
engine.register_fn("package_upgrade", package_upgrade);
engine.register_fn("package_list", package_list);
engine.register_fn("package_search", package_search);
engine.register_fn("package_is_installed", package_is_installed);
engine.register_fn("package_set_debug", package_set_debug);
engine.register_fn("package_platform", package_platform);
Ok(())
}
@@ -166,6 +181,13 @@ pub fn file_write_append(path: &str, content: &str) -> Result<String, Box<EvalAl
os::file_write_append(path, content).to_rhai_error()
}
/// Wrapper for os::mv
///
/// Move a file or directory from source to destination.
pub fn mv(src: &str, dest: &str) -> Result<String, Box<EvalAltResult>> {
os::mv(src, dest).to_rhai_error()
}
//
// Download Function Wrappers
//
@@ -211,4 +233,116 @@ pub fn which(command: &str) -> String {
/// If any command doesn't exist, an error is thrown.
pub fn cmd_ensure_exists(commands: &str) -> Result<String, Box<EvalAltResult>> {
os::cmd_ensure_exists(commands).to_rhai_error()
}
//
// Package Management Function Wrappers
//
/// Wrapper for os::package::PackHero::install
///
/// Install a package using the system package manager.
pub fn package_install(package: &str) -> Result<String, Box<EvalAltResult>> {
let hero = PackHero::new();
hero.install(package)
.map(|_| format!("Package '{}' installed successfully", package))
.to_rhai_error()
}
/// Wrapper for os::package::PackHero::remove
///
/// Remove a package using the system package manager.
pub fn package_remove(package: &str) -> Result<String, Box<EvalAltResult>> {
let hero = PackHero::new();
hero.remove(package)
.map(|_| format!("Package '{}' removed successfully", package))
.to_rhai_error()
}
/// Wrapper for os::package::PackHero::update
///
/// Update package lists using the system package manager.
pub fn package_update() -> Result<String, Box<EvalAltResult>> {
let hero = PackHero::new();
hero.update()
.map(|_| "Package lists updated successfully".to_string())
.to_rhai_error()
}
/// Wrapper for os::package::PackHero::upgrade
///
/// Upgrade installed packages using the system package manager.
pub fn package_upgrade() -> Result<String, Box<EvalAltResult>> {
let hero = PackHero::new();
hero.upgrade()
.map(|_| "Packages upgraded successfully".to_string())
.to_rhai_error()
}
/// Wrapper for os::package::PackHero::list_installed
///
/// List installed packages using the system package manager.
pub fn package_list() -> Result<Array, Box<EvalAltResult>> {
let hero = PackHero::new();
let packages = hero.list_installed().to_rhai_error()?;
// Convert Vec<String> to Rhai Array
let mut array = Array::new();
for package in packages {
array.push(package.into());
}
Ok(array)
}
/// Wrapper for os::package::PackHero::search
///
/// Search for packages using the system package manager.
pub fn package_search(query: &str) -> Result<Array, Box<EvalAltResult>> {
let hero = PackHero::new();
let packages = hero.search(query).to_rhai_error()?;
// Convert Vec<String> to Rhai Array
let mut array = Array::new();
for package in packages {
array.push(package.into());
}
Ok(array)
}
/// Wrapper for os::package::PackHero::is_installed
///
/// Check if a package is installed using the system package manager.
pub fn package_is_installed(package: &str) -> Result<bool, Box<EvalAltResult>> {
let hero = PackHero::new();
hero.is_installed(package).to_rhai_error()
}
// Thread-local storage for package debug flag
thread_local! {
static PACKAGE_DEBUG: std::cell::RefCell<bool> = std::cell::RefCell::new(false);
}
/// Set the debug mode for package management operations
pub fn package_set_debug(debug: bool) -> bool {
let mut hero = PackHero::new();
hero.set_debug(debug);
// Also set the thread-local debug flag
PACKAGE_DEBUG.with(|cell| {
*cell.borrow_mut() = debug;
});
debug
}
/// Get the current platform name for package management
pub fn package_platform() -> String {
let hero = PackHero::new();
match hero.platform() {
os::package::Platform::Ubuntu => "Ubuntu".to_string(),
os::package::Platform::MacOS => "MacOS".to_string(),
os::package::Platform::Unknown => "Unknown".to_string(),
}
}

210
src/rhaiexamples/containerd_grpc_setup.rhai Normal file
View File

@@ -0,0 +1,210 @@
// containerd_grpc_setup.rhai
//
// This script sets up a Rust project with gRPC connectivity to containerd
// Following the steps from the instructions document
run("apt-get -y protobuf-compiler ");
// Step 1: Set up project directory
let project_dir = "/tmp/containerd-rust-client";
print(`Setting up project in: ${project_dir}`);
// Clean up any existing directory
if exist(project_dir) {
print("Found existing project directory, removing it...");
delete(project_dir);
}
// Create our project directory
mkdir(project_dir);
// Change to the project directory
chdir(project_dir);
// Step 2: Clone containerd's gRPC proto files
print("Cloning containerd repository to get proto files...");
let git_tree = gittree_new(project_dir);
let repos = git_tree.get("https://github.com/containerd/containerd.git");
let repo = repos[0];
print(`Cloned containerd repository to: ${repo.path()}`);
// Step 3: Create necessary project files
print("Creating Cargo.toml file...");
// Using raw string with # for multiline content
let cargo_toml = #"
[package]
name = "containerd-rust-client"
version = "0.1.0"
edition = "2021"
[dependencies]
tonic = "0.11"
prost = "0.12"
tokio = { version = "1", features = ["full"] }
hyper-unix-connector = "0.2.0"
tower = "0.4"
[build-dependencies]
tonic-build = "0.11"
"#;
file_write("Cargo.toml", cargo_toml);
print("Created Cargo.toml file");
// Step 4: Set up build.rs to compile protos
print("Creating build.rs file...");
let build_rs = #"
fn main() {
println!("cargo:rerun-if-changed=containerd/api/services/images/v1/images.proto");
println!("cargo:rerun-if-changed=containerd/api/services/containers/v1/containers.proto");
tonic_build::configure()
.build_server(false)
.compile(
&[
"containerd/api/services/images/v1/images.proto",
"containerd/api/services/containers/v1/containers.proto",
// Add more proto files as needed
],
&[
"containerd",
"containerd/api",
"containerd/api/types"
],
)
.unwrap();
}
"#;
file_write("build.rs", build_rs);
print("Created build.rs file");
// Step 5: Create src directory and main.rs file
mkdir("src");
// Create a helper function for Unix socket connection
print("Creating src/main.rs file...");
let main_rs = #"
use tonic::transport::{Channel, Endpoint, Uri};
use tower::service_fn;
use std::convert::TryFrom;
// The proto-generated modules will be available after build
// use containerd::services::images::v1::{
// images_client::ImagesClient,
// GetImageRequest,
// };
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
println!("Connecting to containerd gRPC...");
// Path to containerd socket
let socket_path = "/run/containerd/containerd.sock";
// Connect to the Unix socket
let channel = unix_socket_channel(socket_path).await?;
// Now we'd create a client and use it
// let mut client = ImagesClient::new(channel);
// let response = client.get(GetImageRequest {
// name: "docker.io/library/ubuntu:latest".to_string(),
// }).await?;
// println!("Image: {:?}", response.into_inner());
println!("Connection to containerd socket established successfully!");
println!("This is a template - uncomment the client code after building.");
Ok(())
}
// Helper function to connect to Unix socket
async fn unix_socket_channel(path: &str) -> Result<Channel, Box<dyn std::error::Error>> {
// Use a placeholder URI since Unix sockets don't have URIs
let endpoint = Endpoint::try_from("http://[::]:50051")?;
// The socket path to connect to
let path_to_connect = path.to_string();
// Create a connector function that connects to the Unix socket
let channel = endpoint
.connect_with_connector(service_fn(move |_: Uri| {
let path = path_to_connect.clone();
async move {
tokio::net::UnixStream::connect(path)
.await
.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))
}
}))
.await?;
Ok(channel)
}
"#;
file_write("src/main.rs", main_rs);
print("Created src/main.rs file");
// Step 6: Create a README.md file
print("Creating README.md file...");
// Using raw string with # for multiline content containing markdown backticks
let readme = #"# containerd Rust gRPC Client
A Rust client for interacting with containerd via gRPC.
## Prerequisites
- Rust and Cargo installed
- containerd running on your system
## Building
```bash
cargo build
```
## Running
```bash
cargo run
```
## Features
- Connect to containerd via Unix socket
- Query image information
- Work with containers
## Structure
- `src/main.rs` - Example client code
- `build.rs` - Proto compilation script
"#;
file_write("README.md", readme);
print("Created README.md file");
// Step 7: Build the project
print("Building the project...");
let build_result = run("cargo build");
if build_result.success {
print("Project built successfully!");
} else {
print(`Build failed with error: ${build_result.stderr}`);
}
print(`
--------------------------------------
🎉 Setup complete!
Project created at: ${project_dir}
To use the project:
1. cd ${project_dir}
2. cargo run
Note: Make sure containerd is running and the socket exists at /run/containerd/containerd.sock
--------------------------------------
`);

2
src/rhaiexamples/download_test.rhai
View File

@@ -49,7 +49,7 @@ print(` Extraction successful: ${success_msg}`);
// Download binary file and check size
print("\nTesting binary download:");
download(binary_url, binary_dest, 8000);
download_file(binary_url, binary_dest, 8000);
// Check file size using our new file_size function
let size_bytes = file_size(binary_dest);

124
src/rhaiexamples/instructions_grpc.md Normal file
View File

@@ -0,0 +1,124 @@
## ✅ Step-by-step: Connect Rust to containerd via gRPC
CREATE A rhai script executing the following instructions below
use all rhai script features we have + give priority to what functions we have defined in /src/docs/docs/sal in this repo
---
### 1. 🧱 Install Dependencies
Add this to your `Cargo.toml`:
```toml
[dependencies]
tonic = "0.11"
prost = "0.12"
tokio = { version = "1", features = ["full"] }
[build-dependencies]
tonic-build = "0.11"
```
---
### 2. 📁 Clone containerd's gRPC proto files
```bash
git clone https://github.com/containerd/containerd.git
cd containerd
```
Containerd's API protos are in:
```
api/services/ # gRPC service definitions
api/types/ # message types
```
---
### 3. 📦 Set up `build.rs` to compile protos
In your Rust project root, create a `build.rs` file:
```rust
fn main() {
tonic_build::configure()
.build_server(false)
.compile(
&[
"containerd/api/services/images/v1/images.proto",
"containerd/api/services/containers/v1/containers.proto",
// Add more proto files as needed
],
&[
"containerd/api",
"containerd/api/types"
],
)
.unwrap();
}
```
Make sure to place the `containerd` directory somewhere your build can see — for example, symlink it or move it into your project as `proto/containerd`.
---
### 4. 🧪 Example: Connect to containerd's image service
After `build.rs` compiles the protos, your code can access them like this:
```rust
use tonic::transport::Channel;
use containerd::services::images::v1::{
images_client::ImagesClient,
GetImageRequest,
};
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Connect to containerd's gRPC socket (default path)
let channel = Channel::from_static("http://[::]:50051") // placeholder
.connect()
.await?;
let mut client = ImagesClient::new(channel);
let response = client.get(GetImageRequest {
name: "docker.io/library/ubuntu:latest".to_string(),
}).await?;
println!("Image: {:?}", response.into_inner());
Ok(())
}
```
🔧 Note: containerd uses a **Unix socket**, so replace the channel connection with:
```rust
use tonic::transport::{Endpoint, Uri};
use tower::service_fn;
use hyper_unix_connector::UnixConnector;
let uds = tokio::net::UnixStream::connect("/run/containerd/containerd.sock").await?;
let channel = Endpoint::try_from("http://[::]:50051")?
.connect_with_connector(service_fn(move |_| async move {
Ok::<_, std::io::Error>(uds)
}))
.await?;
```
(We can wrap that part into a helper if you want.)
---
### 5. 🔁 Rebuild the project
Each time you add or change a `.proto`, rebuild to regenerate code:
```bash
cargo clean && cargo build
```

27
src/rhaiexamples/nerdctl_install.rhai
View File

@@ -2,25 +2,24 @@
fn nerdctl_download(){
// let name="nerdctl";
// let url="https://github.com/containerd/nerdctl/releases/download/v2.0.4/nerdctl-2.0.4-linux-amd64.tar.gz";
// download(url,`/tmp/${name}`,20000);
// copy(`/tmp/${name}/*`,"/root/hero/bin/");
// delete(`/tmp/${name}`);
let name="nerdctl";
let url="https://github.com/containerd/nerdctl/releases/download/v2.0.4/nerdctl-2.0.4-linux-amd64.tar.gz";
download(url,`/tmp/${name}`,20000);
copy(`/tmp/${name}/*`,"/root/hero/bin/");
delete(`/tmp/${name}`);
// let name="containerd";
// let url="https://github.com/containerd/containerd/releases/download/v2.0.4/containerd-2.0.4-linux-amd64.tar.gz";
// download(url,`/tmp/${name}`,20000);
// copy(`/tmp/${name}/bin/*`,"/root/hero/bin/");
// delete(`/tmp/${name}`);
let name="containerd";
let url="https://github.com/containerd/containerd/releases/download/v2.0.4/containerd-2.0.4-linux-amd64.tar.gz";
download(url,`/tmp/${name}`,20000);
copy(`/tmp/${name}/bin/*`,"/root/hero/bin/");
delete(`/tmp/${name}`);
// run("apt-get -y install buildah runc")
run("apt-get -y install buildah runc");
let url="https://github.com/threefoldtech/rfs/releases/download/v2.0.6/rfs";
download_file(url,`/tmp/rfs`,10000);
chmod_exec(url);
copy(`/tmp/rfs`,"/root/hero/bin/");
//delete(`/tmp/rfs`);
chmod_exec("/tmp/rfs");
mv(`/tmp/rfs`,"/root/hero/bin/");
}

113
src/rhaiexamples/package_management.rhai Normal file
View File

@@ -0,0 +1,113 @@
// Example script demonstrating the package management functions
// Set debug mode to true to see detailed output
package_set_debug(true);
// Function to demonstrate package management on Ubuntu
fn demo_ubuntu() {
print("Demonstrating package management on Ubuntu...");
// Update package lists
print("Updating package lists...");
let result = package_update();
print(`Update result: ${result}`);
// Check if a package is installed
let package = "htop";
print(`Checking if ${package} is installed...`);
let is_installed = package_is_installed(package);
print(`${package} is installed: ${is_installed}`);
// Install a package if not already installed
if !is_installed {
print(`Installing ${package}...`);
let install_result = package_install(package);
print(`Install result: ${install_result}`);
}
// List installed packages (limited to first 5 for brevity)
print("Listing installed packages (first 5)...");
let packages = package_list();
for i in 0..min(5, packages.len()) {
print(` - ${packages[i]}`);
}
// Search for packages
let search_term = "editor";
print(`Searching for packages with term '${search_term}'...`);
let search_results = package_search(search_term);
print(`Found ${search_results.len()} packages. First 5 results:`);
for i in 0..min(5, search_results.len()) {
print(` - ${search_results[i]}`);
}
// Remove the package if we installed it
if !is_installed {
print(`Removing ${package}...`);
let remove_result = package_remove(package);
print(`Remove result: ${remove_result}`);
}
}
// Function to demonstrate package management on macOS
fn demo_macos() {
print("Demonstrating package management on macOS...");
// Update package lists
print("Updating package lists...");
let result = package_update();
print(`Update result: ${result}`);
// Check if a package is installed
let package = "wget";
print(`Checking if ${package} is installed...`);
let is_installed = package_is_installed(package);
print(`${package} is installed: ${is_installed}`);
// Install a package if not already installed
if !is_installed {
print(`Installing ${package}...`);
let install_result = package_install(package);
print(`Install result: ${install_result}`);
}
// List installed packages (limited to first 5 for brevity)
print("Listing installed packages (first 5)...");
let packages = package_list();
for i in 0..min(5, packages.len()) {
print(` - ${packages[i]}`);
}
// Search for packages
let search_term = "editor";
print(`Searching for packages with term '${search_term}'...`);
let search_results = package_search(search_term);
print(`Found ${search_results.len()} packages. First 5 results:`);
for i in 0..min(5, search_results.len()) {
print(` - ${search_results[i]}`);
}
// Remove the package if we installed it
if !is_installed {
print(`Removing ${package}...`);
let remove_result = package_remove(package);
print(`Remove result: ${remove_result}`);
}
}
// Detect platform and run the appropriate demo
fn main() {
// Create a PackHero instance to detect the platform
let platform = package_platform();
if platform == "Ubuntu" {
demo_ubuntu();
} else if platform == "MacOS" {
demo_macos();
} else {
print(`Unsupported platform: ${platform}`);
}
}
// Run the main function
main();

3
src/text/replace.rs
View File

@@ -1,6 +1,7 @@
use regex::Regex;
use std::fs;
use std::io::{self, Read};
use std::io::{self, Read, Seek, SeekFrom};
use std::path::Path;
/// Represents the type of replacement to perform.