# 使用 Homebrew, Nix 安装 crystal-icr

查看 crystal-icr 的安装路径、可执行文件、元数据以及面向 AI 代理工作流的安全说明。

## 安装

```sh
sudo av install brew:crystal-icr
```

其他安装命令:

### macOS

- Homebrew (100%):

```sh
brew install crystal-icr
```

  证据: local Homebrew formula metadata

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#icr
```

  证据: nixpkgs package indexes: pkgs/by-name/ic/icr/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## 软件包事实

- **软件包键:** brew:crystal-icr
- **软件包管理器:** Homebrew
- **版本:** 0.9.0
- **来源摘要:** Interactive console for Crystal programming language
- **主页:** <https://github.com/crystal-community/icr>
- **仓库:** <https://github.com/crystal-community/icr>
- **已生成:** 2026-08-03T19:37:03+00:00

## 可执行文件

- icr (别名)

## 安装行为

- Bottle: 不可用

## 版本和新鲜度

- 页面生成时间: 2026-08-03
- 管理器版本: 0.9.0
## 项目历史与用法

ICR, short for Interactive Crystal, is a REPL-like console for the Crystal programming language. It exists because Crystal is normally compiled, so an interactive shell has to simulate the Ruby-style irb experience by generating and running Crystal programs behind the scenes.

### 项目历史

The official GitHub repository was created in 2016 under the crystal-community organization. Its README presents the tool as an interactive console for Crystal and credits Potapov Sergey as creator and maintainer, with later community contributors adding support for newer Crystal versions, records, require flags, syntax highlighting, and maintenance.

### 采用历史

ICR is a smaller companion package rather than part of Crystal's core distribution. The README documents source installation with make, use as a shard dependency, and an Arch AUR package; the supplied package metadata adds Homebrew and Nix packaging, showing that language-adjacent developer tools often get packaged separately from the compiler.

### 使用方式

ICR is used like irb for Crystal: each submitted instruction is accumulated into a generated Crystal program, executed, and presented as if only the new instruction ran. It supports requiring local files or shards from the command line and includes console commands such as paste, debug, quit, exit, and reset.

### 为什么软件包爱好者会关心

ICR is significant mostly as a packaging companion to Crystal. Its usefulness depends on matching the installed Crystal compiler, readline, and LLVM development files, so it illustrates why language ecosystems often need small auxiliary formulae beyond the main runtime.

### 时间线

- 2016: The official GitHub repository was created.
- 2021: The repository's last pushed timestamp in the GitHub API indicates maintenance activity through the Crystal 0.x/early 1.x era.

### Related projects

- ICR is directly tied to Crystal and Shards. The README also points to inf-crystal.el as an editor integration for connecting Emacs to an ICR subprocess.

### 来源

- <https://github.com/crystal-community/icr>
- <https://api.github.com/repos/crystal-community/icr>


## 安全说明

generalized runtime or code generation signal.

- **Geiger 风险:** yellow / 中
- generalized runtime or code generation signal

## 其他软件包管理器记录

- Nix - icr: installed executable or alias match | nixpkgs package indexes: pkgs/by-name/ic/icr/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/crystal-icr.yml](https://github.com/mxcl/pkgdb/blob/main/combined/crystal-icr.yml)


## 来源

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph