Implement install from spec

Cargo.toml

@@ -27,11 +27,13 @@ easy-logging = "1"
 flate2 = "1.0"
 globset = "0.4.15"
 http = "1.1.0"
+indoc = "2.0.5"
 is-terminal = "0.4.13"
 itertools = "0.13.0"
 octocrab = "0.42.0"
 libc = "0.2.164"
 log = "0.4.22"
+nondestructive = "0.0.26"
 platforms = "3.5.0"
 regex = "1.11.1"
 reqwest = { version = "0.12.9", features = ["blocking"] }
@@ -42,6 +44,7 @@ serde_yaml = "0.9.34"
 shellexpand = "3.1.0"
 tabled = { version = "0.16.0", features = ["ansi"] }
 tar = "0.4.43"
+textwrap = "0.16.1"
 tokio = "1"
 url = "2.5.3"
 validator = { version = "0.19.0", features = ["derive"] }

src/cli.rs

@@ -165,6 +165,7 @@ pub fn parse_args() -> GenericResult<CliArgs> {
             let mode = match command {
                 "install" => Mode::Install {
                     force: matches.get_flag("force"),
+                    recheck_spec: false,
                 },
                 "upgrade" => Mode::Upgrade,
                 _ => unreachable!(),

src/config.rs

@@ -21,7 +21,7 @@ pub struct Config {
     source: Option<ConfigSource>,
 
     #[serde(rename = "path", default = "default_install_path", deserialize_with = "util::deserialize_path")]
-    pub install_path: PathBuf,
+    pub path: PathBuf,
 
     #[serde(default)]
     #[validate(nested)]
@@ -53,7 +53,11 @@ impl Config {
         Ok(config)
     }
 
-    pub fn edit<F: FnOnce(&mut Config, &mut Document) -> EmptyResult>(&mut self, edit: F) -> EmptyResult {
+    pub fn edit<E, P>(&mut self, edit: E, process: P) -> EmptyResult
+        where
+            E: FnOnce(&mut Config, &mut Document) -> EmptyResult,
+            P: FnOnce(&Config) -> EmptyResult
+    {
         let error_prefix = "Failed to edit the configuration file: its current format is not supported by the underlaying library.";
 
         let mut expected_config = self.clone();
@@ -72,6 +76,12 @@ impl Config {
             return Err!("{error_prefix} Got the following unexpected config:\n{result}");
         }
 
+        source.data = result.into_bytes();
+        config.source.replace(source);
+        process(&config)?;
+
+        let source = config.source.as_mut().unwrap();
+
         if !source.exists {
             if let Some(path) = source.path.parent() {
                 fs::create_dir_all(path).map_err(|e| format!(
@@ -80,15 +90,16 @@ impl Config {
             source.exists = true;
         }
 
-        source.data = result.into_bytes();
         Config::write(&source.path, &source.data)?;
-
-        config.source.replace(source);
         *self = config;
 
         Ok(())
     }
 
+    pub fn get_tool_path(&self, name: &str, spec: &ToolSpec) -> PathBuf {
+        spec.path.as_ref().unwrap_or(&self.path).join(name)
+    }
+
     pub fn update_tool(&mut self, raw: &mut Document, name: &str, spec: &ToolSpec) -> EmptyResult {
         let mut root = raw.as_mut().make_mapping();