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1 Introduction ¶

‘ergo’ is a project dependencies management program and project builder. Given a project stored in a git repository, ‘ergo’ fetches the project and its dependencies (also git repositories), builds them, and loads, tests, or runs the project.

Any git repository, public or private, can be a project or a dependency: there is no central index to register with. Each project selects the versions of its dependencies (branch, tag, release, or commit), and the versions actually used are recorded in a lock file, so that builds are reproducible.

‘ergo’ provides three user interfaces:

• the ‘ergo’ command, for the shell:

  $ ergo build
  $ ergo test
  

• the ‘ERGO’ Common Lisp package, for use in a Common Lisp image:

  (ergo:load "gitlab:com-informatimago/com-informatimago")
  

• the ‘ergo’ AutoLISP package, for use in an AutoLISP engine (AutoCAD, BricsCAD, clautolisp):

  (ergo-load "gitlab:informatimago/some-autolisp-library")
  

Note: ‘ergo’ is under development; this manual documents the interfaces as designed. Cf. the specifications document for the current status.