Fixed:

- Path dependencies now work correctly: `dcr add` stores them as `{ path =
"./..." }` tables, `is_registry_dep` properly distinguishes registry strings
from path/git strings, and `deps/mod.rs` resolves both table-form and
legacy string-form path dependencies
- Registry dependency paths no longer hardcoded to `project_root/dcr-index`;
now use `package_root_from_registry_info()` which resolves relative to the
registry cache root (`~/.dcr/`)
- Registry dependencies are now actually built: `build_project_at()` is
called when `include_dir` or `lib_dir` is missing

Added:

- `SIGINT`/`Ctrl+C` handler via `ctrlc` crate — `dcr build` now checks
`BUILD_INTERRUPTED` flag at key points and aborts cleanly
- `utils/build.rs` — extracted shared utilities: `parse_version_info`,
`normalize_target_os`, `resolve_compiler`, `primary_language`,
`resolve_pkg_config_flags` and config helpers. Eliminates code duplication
between `cli/build.rs`, `cli/run.rs`, `cli/clean.rs`, `cli/gen.rs`
- `utils/fs.rs::with_dir` — extracted common directory-scoped execution
- `run_command_sync_output` in `builder/common.rs` with global `OUTPUT_MUTEX`
— synchronized compiler output across all backends (unix_cc, gas, nasm, msvc)
- New helper functions in `deps/register.rs`: `get_registry_cache_root`,
`package_root_from_registry_info`, `registry_include_dir`, `registry_lib_dir`,
`path_from_string_dep`
- Unit tests for `register.rs` (`is_registry_dep`, `package_root_from_registry_info`),
`deps/mod.rs` (`path_dep_path`, `push_default_lib_dirs`),
`utils/build.rs` (`normalize_target_os`, `parse_version_info`)

Removed:

- Removed unused dependencies `indicatif` and `console` from `Cargo.toml`

src/cli/run.rs

@@ -2,10 +2,11 @@ use crate::cli::build::build;
 use crate::cli::flags::parse_build_run_flags;
 use crate::core::config::Config;
 use crate::core::runner::run_binary;
+use crate::utils::build::{normalize_target_os, parse_version_info};
 use crate::utils::fs::find_project_root;
+use crate::utils::fs::with_dir;
 use crate::utils::log::error;
 use crate::utils::text::{BOLD_GREEN, colored};
-use std::path::Path;
 use std::process::Command;
 
 fn get_run_cmd(
@@ -36,15 +37,6 @@ fn get_run_cmd(
     }
 }
 
-fn normalize_target_os(s: &str) -> &str {
-    match s {
-        "linux" => "x86_64-unknown-linux-gnu",
-        "macos" => "x86_64-apple-darwin",
-        "windows" => "x86_64-pc-windows-msvc",
-        _ => s,
-    }
-}
-
 pub fn run(args: &[String]) -> i32 {
     let start_dir = match std::env::current_dir() {
         Ok(dir) => dir,
@@ -152,17 +144,6 @@ pub fn run(args: &[String]) -> i32 {
     1
 }
 
-fn with_dir<F, T>(dir: &Path, f: F) -> Result<T, String>
-where
-    F: FnOnce() -> Result<T, String>,
-{
-    let prev = std::env::current_dir().map_err(|_| "Failed to get current dir".to_string())?;
-    std::env::set_current_dir(dir).map_err(|_| "Failed to change directory".to_string())?;
-    let result = f();
-    let _ = std::env::set_current_dir(prev);
-    result
-}
-
 fn run_shell(cmd: &str) -> i32 {
     let status = if cfg!(target_os = "windows") {
         Command::new("cmd").arg("/C").arg(cmd).status()
@@ -186,41 +167,3 @@ fn substitute_run_vars(cmd: &str, profile: &str, version: &str) -> String {
         .replace("{version_suffix}", &info.suffix)
         .replace("{version_suffix_dash}", &info.suffix_dash)
 }
-
-struct VersionInfo {
-    full: String,
-    major: String,
-    minor: String,
-    patch: String,
-    suffix: String,
-    suffix_dash: String,
-}
-
-fn parse_version_info(version: &str) -> VersionInfo {
-    let mut full = version.trim().to_string();
-    if full.is_empty() {
-        full = "0.0.0".to_string();
-    }
-    let full_clone = full.clone();
-    let (base, suffix) = match full_clone.split_once('-') {
-        Some((head, tail)) => (head, tail),
-        None => (full_clone.as_str(), ""),
-    };
-    let mut parts = base.split('.');
-    let major = parts.next().unwrap_or("0").to_string();
-    let minor = parts.next().unwrap_or("0").to_string();
-    let patch = parts.next().unwrap_or("0").to_string();
-    let suffix_dash = if suffix.is_empty() {
-        "".to_string()
-    } else {
-        format!("-{suffix}")
-    };
-    VersionInfo {
-        full,
-        major,
-        minor,
-        patch,
-        suffix: suffix.to_string(),
-        suffix_dash,
-    }
-}