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|
#lang racket/base
(require racket/cmdline
racket/format
racket/path
racket/file)
;; Adjust the configuration to consult a catalog that is
;; expected to map some packages to directory links.
;; Used by the top-level Makefile in the main Racket repository.
(define config-dir-path (build-path "racket" "etc"))
(define config-file-path (build-path config-dir-path "config.rktd"))
(define catalog-relative-path (build-path 'up "share" "pkgs-catalog"))
(define catalog-relative-path-str (path->string catalog-relative-path))
(define-values (default-src-catalog src-catalog)
(command-line
#:args
(default-src-catalog src-catalog)
(values default-src-catalog src-catalog)))
(define src-catalog-is-default?
(equal? src-catalog default-src-catalog))
(when (file-exists? config-file-path)
(call-with-input-file*
config-file-path
(lambda (i)
(define r (read i))
(define l (hash-ref r 'catalogs #f))
(define starts-as-expected?
(and (list? l)
((length l) . >= . 1)
(equal? (car l) catalog-relative-path-str)))
(define has-src-catalog?
(or (and src-catalog-is-default?
(member #f l))
(member src-catalog l)))
(unless (and starts-as-expected?
has-src-catalog?)
(error 'pkgs-catalog
(~a "config file exists, but with a mismatched `catalogs';\n"
" the existing configuration does not ~a\n"
" config file: ~a\n"
" expected ~acatalog: ~s\n"
" possible solution: delete the config file")
(if (not starts-as-expected?)
"start as expected"
"include the specified catalog")
config-file-path
(if (not starts-as-expected?)
"initial "
"")
(if (not starts-as-expected?)
catalog-relative-path-str
src-catalog))))))
(unless (file-exists? config-file-path)
(printf "Writing ~a\n" config-file-path)
(let-values ([(base name dir?) (split-path config-file-path)])
(when (path? base) (make-directory* base)))
(call-with-output-file*
config-file-path
(lambda (o)
(write (hash 'catalogs
(cons catalog-relative-path-str
(append
(if src-catalog-is-default?
'()
(list src-catalog))
(list #f)))
'installation-name
"development"
'default-scope
"installation"
'interactive-file
'racket/interactive
'gui-interactive-file
'racket/gui/interactive)
o)
(newline o))))
|
