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guix-build: Add `--source'.

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* guix-build.in (derivations-from-package-expressions): Add `source?'
  parameter.  Honor it.
  (show-help): Add `--source'.
  (%options): Likewise.
  (guix-build): Honor `--source'.
This commit is contained in:
Ludovic Courtès 2012-09-04 23:09:04 +02:00
parent ff352cfb97
commit 5dba31494e
1 changed files with 26 additions and 14 deletions
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40
guix-build.in
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@ -44,11 +44,14 @@ exec ${GUILE-@GUILE@} -L "@guilemoduledir@" -l "$0" \
(define %store
(open-connection))
(define (derivations-from-package-expressions exp)
"Eval EXP and return the corresponding derivation path."
(define (derivations-from-package-expressions exp source?)
"Eval EXP and return the corresponding derivation path. When SOURCE? is
true, return the derivations of the package sources."
(let ((p (eval exp (current-module))))
(if (package? p)
(package-derivation %store p)
(if source?
(package-source-derivation %store (package-source p))
(package-derivation %store p))
(begin
(format (current-error-port)
(_ "expression `~s' does not evaluate to a package")
@ -79,6 +82,8 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
(display (_ "
-e, --expression=EXPR build the package EXPR evaluates to"))
(display (_ "
-S, --source build the packages' source derivations"))
(display (_ "
-K, --keep-failed keep build tree of failed builds"))
(display (_ "
-n, --dry-run do not build the derivations"))
@ -104,6 +109,9 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
(show-version)
(exit 0)))
(option '(#\S "source") #f #f
(lambda (opt name arg result)
(alist-cons 'source? #t result)))
(option '(#\e "expression") #t #f
(lambda (opt name arg result)
(alist-cons 'expression
@ -143,18 +151,22 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
(setvbuf (current-error-port) _IOLBF)
(let* ((opts (parse-options))
(src? (assoc-ref opts 'source?))
(drv (filter-map (match-lambda
(('expression . exp)
(derivations-from-package-expressions exp))
(('argument . (? derivation-path? drv))
drv)
(('argument . (? string? x))
(match (find-packages-by-name x)
((p _ ...)
(package-derivation %store p))
(_
(leave (_ "~A: unknown package~%") x))))
(_ #f))
(('expression . exp)
(derivations-from-package-expressions exp src?))
(('argument . (? derivation-path? drv))
drv)
(('argument . (? string? x))
(match (find-packages-by-name x)
((p _ ...)
(if src?
(let ((s (package-source p)))
(package-source-derivation %store s))
(package-derivation %store p)))
(_
(leave (_ "~A: unknown package~%") x))))
(_ #f))
opts))
(req (append-map (lambda (drv-path)
(let ((d (call-with-input-file drv-path