bpkg
A package manager for Bash scripts.
TLDR
Update the local index
$ bpkg update
Install a package globally
$ bpkg install --global [package]
Install a package in a subdirectory of the current directory
$ bpkg install [package]
Install a specific version of a package globally
$ bpkg install [package]@[version] -g
Show details about a specific package
$ bpkg show [package]
Run a command, optionally specifying its arguments
$ bpkg run [command] [argument1 argument2 ...]