feat: mise install-into (jdx#3711)

Fixes jdx#1039

docs/.vitepress/cli_commands.ts

@@ -145,6 +145,9 @@ export const commands: { [key: string]: Command } = {
   install: {
     hide: false,
   },
+  "install-into": {
+    hide: false,
+  },
   latest: {
     hide: false,
   },

docs/cli/index.md

@@ -90,6 +90,7 @@ Can also use `MISE_NO_CONFIG=1`
 - [`mise generate task-docs [FLAGS]`](/cli/generate/task-docs.md)
 - [`mise implode [--config] [-n --dry-run]`](/cli/implode.md)
 - [`mise install [FLAGS] [TOOL@VERSION]...`](/cli/install.md)
+- [`mise install-into <TOOL@VERSION> <PATH>`](/cli/install-into.md)
 - [`mise latest [-i --installed] <TOOL@VERSION>`](/cli/latest.md)
 - [`mise link [-f --force] <TOOL@VERSION> <PATH>`](/cli/link.md)
 - [`mise ls [FLAGS] [PLUGIN]...`](/cli/ls.md)

docs/cli/install-into.md

@@ -0,0 +1,26 @@
+# `mise install-into`
+
+- **Usage**: `mise install-into <TOOL@VERSION> <PATH>`
+- **Source code**: [`src/cli/install-into.rs`](https://github.com/jdx/mise/blob/main/src/cli/install-into.rs)
+
+Install a tool version to a specific path
+
+Used for building a tool to a directory for use outside of mise
+
+## Arguments
+
+### `<TOOL@VERSION>`
+
+Tool to install e.g.: node@20
+
+### `<PATH>`
+
+Path to install the tool into
+
+Examples:
+
+```
+# install node@20.0.0 into ./mynode
+$ mise install-into node@20.0.0 ./mynode && ./mynode/bin/node -v
+20.0.0
+```

e2e/cli/test_install_into

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+assert "mise install-into node@22.0.0 ./mynode"
+assert "./mynode/bin/node -v" "v22.0.0"

man/man1/mise.1

@@ -109,6 +109,9 @@ Removes mise CLI and all related data
 mise\-install(1)
 Install a tool version
 .TP
+mise\-install\-into(1)
+Install a tool version to a specific path
+.TP
 mise\-latest(1)
 Gets the latest available version for a plugin
 .TP

mise.usage.kdl

@@ -632,6 +632,19 @@ Tools will be installed in parallel. To disable, set `--jobs=1` or `MISE_JOBS=1`
     }
     arg "[TOOL@VERSION]..." help="Tool(s) to install e.g.: node@20" required=false var=true
 }
+cmd "install-into" help="Install a tool version to a specific path" {
+    long_help r"Install a tool version to a specific path
+
+Used for building a tool to a directory for use outside of mise"
+    after_long_help r"Examples:
+
+    # install node@20.0.0 into ./mynode
+    $ mise install-into node@20.0.0 ./mynode && ./mynode/bin/node -v
+    20.0.0
+"
+    arg "<TOOL@VERSION>" help="Tool to install e.g.: node@20"
+    arg "<PATH>" help="Path to install the tool into"
+}
 cmd "latest" help="Gets the latest available version for a plugin" {
     long_help r"Gets the latest available version for a plugin
 

src/backend/mod.rs

@@ -417,7 +417,10 @@ pub trait Backend: Debug + Send + Sync {
             }
         };
 
-        install_state::write_backend_meta(self.ba())?;
+        if tv.install_path().starts_with(*dirs::INSTALLS) {
+            // this will be false only for `install-into`
+            install_state::write_backend_meta(self.ba())?;
+        }
 
         self.cleanup_install_dirs(&tv);
         // attempt to touch all the .tool-version files to trigger updates in hook-env

src/cli/install_into.rs

@@ -0,0 +1,60 @@
+use crate::cli::args::ToolArg;
+use crate::config::Config;
+use crate::install_context::InstallContext;
+use crate::toolset::ToolsetBuilder;
+use crate::ui::multi_progress_report::MultiProgressReport;
+use clap::ValueHint;
+use eyre::{eyre, Result};
+use std::path::PathBuf;
+
+/// Install a tool version to a specific path
+///
+/// Used for building a tool to a directory for use outside of mise
+#[derive(Debug, clap::Args)]
+#[clap(verbatim_doc_comment, after_long_help = AFTER_LONG_HELP)]
+pub struct InstallInto {
+    /// Tool to install
+    /// e.g.: node@20
+    #[clap(value_name = "TOOL@VERSION")]
+    tool: ToolArg,
+
+    /// Path to install the tool into
+    #[clap(value_hint = ValueHint::DirPath)]
+    path: PathBuf,
+}
+
+impl InstallInto {
+    pub fn run(self) -> Result<()> {
+        let config = Config::get();
+        let ts = ToolsetBuilder::new()
+            .with_args(&[self.tool.clone()])
+            .build(&config)?;
+        let mut tv = ts
+            .versions
+            .get(&self.tool.ba)
+            .ok_or_else(|| eyre!("Tool not found"))?
+            .versions
+            .first()
+            .unwrap()
+            .clone();
+        let backend = tv.backend()?;
+        let mpr = MultiProgressReport::get();
+        let install_ctx = InstallContext {
+            ts: &ts,
+            pr: mpr.add(&tv.style()),
+            force: true,
+        };
+        tv.install_path = Some(self.path.clone());
+        backend.install_version(install_ctx, tv)?;
+        Ok(())
+    }
+}
+
+static AFTER_LONG_HELP: &str = color_print::cstr!(
+    r#"<bold><underline>Examples:</underline></bold>
+
+    # install node@20.0.0 into ./mynode
+    $ <bold>mise install-into node@20.0.0 ./mynode && ./mynode/bin/node -v</bold>
+    20.0.0
+"#
+);

src/cli/mod.rs

@@ -32,6 +32,7 @@ mod hook_env;
 mod hook_not_found;
 mod implode;
 mod install;
+mod install_into;
 mod latest;
 mod link;
 mod local;
@@ -204,6 +205,7 @@ pub enum Commands {
     HookNotFound(hook_not_found::HookNotFound),
     Implode(implode::Implode),
     Install(install::Install),
+    InstallInto(install_into::InstallInto),
     Latest(latest::Latest),
     Link(link::Link),
     Local(local::Local),
@@ -267,6 +269,7 @@ impl Commands {
             Self::HookNotFound(cmd) => cmd.run(),
             Self::Implode(cmd) => cmd.run(),
             Self::Install(cmd) => cmd.run(),
+            Self::InstallInto(cmd) => cmd.run(),
             Self::Latest(cmd) => cmd.run(),
             Self::Link(cmd) => cmd.run(),
             Self::Local(cmd) => cmd.run(),

src/toolset/tool_version.rs

@@ -23,6 +23,7 @@ pub struct ToolVersion {
     pub request: ToolRequest,
     pub version: String,
     pub checksums: BTreeMap<String, String>,
+    pub install_path: Option<PathBuf>,
 }
 
 impl ToolVersion {
@@ -31,6 +32,7 @@ impl ToolVersion {
             request,
             version,
             checksums: Default::default(),
+            install_path: None,
         }
     }
 
@@ -77,6 +79,9 @@ impl ToolVersion {
     }
 
     pub fn install_path(&self) -> PathBuf {
+        if let Some(p) = &self.install_path {
+            return p.clone();
+        }
         let pathname = match &self.request {
             ToolRequest::Path { path: p, .. } => p.to_string_lossy().to_string(),
             _ => self.tv_pathname(),

xtasks/fig/src/mise.ts

@@ -1324,6 +1324,28 @@ const completionSpec: Fig.Spec = {
                 }
             ]
         },
+        {
+            "name": [
+                "install-into"
+            ],
+            "description": "Install a tool version to a specific path",
+            "args": [
+                {
+                    "name": "tool@version",
+                    "description": "Tool to install e.g.: node@20",
+                    "isOptional": false,
+                    "isVariadic": false,
+                    "generators": toolVersionGenerator
+                },
+                {
+                    "name": "path",
+                    "description": "Path to install the tool into",
+                    "isOptional": false,
+                    "isVariadic": false,
+                    "template": "filepaths"
+                }
+            ]
+        },
         {
             "name": [
                 "latest"