49 lines
1.3 KiB
EmacsLisp
49 lines
1.3 KiB
EmacsLisp
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(defvar opam nil)
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(defvar git-opam-url)
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(defvar opam-vars '("lib" "libexec" "bin"
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"sbin" "toplevel"
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"share" "share_root"
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"etc" "doc" "stublibs"))
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(defvar utop nil
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"the full path of utop")
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(setf git-opam-url "https://github.com/ocaml/opam.git")
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(defun opam-config-var (var)
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(let ((command-string (concat "opam config var " var)))
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(substring (shell-command-to-string command-string)
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0 -1)))
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(defun opam-config-env ()
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(dolist (var (car (read-from-string
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(shell-command-to-string
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"opam config env --sexp"))))
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(let ((var-name (car var))
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(var-val (cadr var)))
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(setenv var-name
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(let ((old-v (getenv var-name)))
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(if old-v
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(concat old-v ":" var-val)
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var-val)))))
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(add-to-list 'load-path
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(concat (opam-config-var "share")
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"/emacs/site-lisp/")))
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(defun check-opam ()
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(if (not (which "opam"))
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(progn (message "Please install opam")
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nil)
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(progn (opam-config-env)
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(setq utop (which "utop"))
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(unless utop
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(message "Please install utop with (opam install utop)"))
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utop)))
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(register-mypkg
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(list :name "opam"
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:enabled (check-opam)
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:packages nil
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:init #'(lambda ()
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(setq utop-command (concat utop " -emacs"))
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(autoload 'utop "utop" "toplevel of ocaml" t))))
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