The core team has run v46 Hot in production at companies like ScaleCore and DataSiphon for six weeks. The cache subsystem is stable, and the hot swap logic has been fuzz-tested extensively.
introduces a daemon-less shared memory cache. The first time you run a command, it builds a hot manifest in /dev/shm (or a Windows equivalent). Subsequent runs are almost instantaneous. shell dep version 46 hot
# macOS (Homebrew) brew upgrade shell-dep --fetch-HEAD sudo apt install shell-dep=46.0-hot Step 2: Verify the installation shell-dep version # Output: shell-dep 46.0-hot (commit: a7f3b2c, hot-cache enabled) Step 3: Create a test branch git checkout -b test/shell-dep-v46-hot shell-dep hot-upgrade git add .shell-dep.lock git commit -m "chore: upgrade to shell-dep v46 hot" Step 4: Run your pipeline Execute your usual build or test suite. Monitor for the new hot cache logs (they appear in green with a 🔥 emoji). Real-World Performance Gains Early adopters have reported dramatic improvements. Here’s a small sample: The core team has run v46 Hot in
With v46 Hot, shell-dep hot-swap --bin rg atomically replaces the binary pointer in your environment’s PATH cache. The change is visible to the very next line in your script. The first time you run a command, it
This article dives deep into everything you need to know about : its new features, breaking changes, migration path, and why every senior SRE should upgrade by the end of the week. What is Shell Dep? A Quick Refresher For the uninitiated, shell-dep is a declarative dependency manager for POSIX-compliant shell scripts. Think of it as a hybrid between pip (for Python) and vcpkg (for C++), but designed exclusively for shell utilities like jq , curl , ffmpeg , rg , fd , and thousands of other CLI tools.