guix build: Add '--log-file'.
* guix/scripts/build.scm (show-help): Add '--log-file'. (%options): Likewise. (guix-build): Set %FILE-PORT-NAME-CANONICALIZATION. Honor '--log-file'. * tests/guix-build.sh: Add '--log-file' tests. * doc/guix.texi (Invoking guix build): Document '--log-file'.
This commit is contained in:
Ludovic Courtès
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eddd4077a5
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@ -1546,6 +1546,22 @@ Use the given verbosity level. @var{level} must be an integer between 0
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and 5; higher means more verbose output. Setting a level of 4 or more
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may be helpful when debugging setup issues with the build daemon.
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@item --log-file
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Return the build log file names for the given
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@var{package-or-derivation}s, or raise an error if build logs are
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missing.
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This works regardless of how packages or derivations are specified. For
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instance, the following invocations are equivalent:
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@example
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guix build --log-file `guix build -d guile`
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guix build --log-file `guix build guile`
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guix build --log-file guile
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guix build --log-file -e '(@@ (gnu packages guile) guile-2.0)'
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@end example
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@end table
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Behind the scenes, @command{guix build} is essentially an interface to
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@ -95,6 +95,8 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
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as a garbage collector root"))
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(display (_ "
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--verbosity=LEVEL use the given verbosity LEVEL"))
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(display (_ "
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--log-file return the log file names for the given derivations"))
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(newline)
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(display (_ "
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-h, --help display this help and exit"))
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@ -161,7 +163,10 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
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(lambda (opt name arg result)
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(let ((level (string->number arg)))
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(alist-cons 'verbosity level
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(alist-delete 'verbosity result)))))))
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(alist-delete 'verbosity result)))))
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(option '("log-file") #f #f
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(lambda (opt name arg result)
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(alist-cons 'log-file? #t result)))))
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;;;
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@ -235,68 +240,89 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
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(leave (_ "~A: unknown package~%") name))))))
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(with-error-handling
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(let ((opts (parse-options)))
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(define package->derivation
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(match (assoc-ref opts 'target)
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(#f package-derivation)
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(triplet
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(cut package-cross-derivation <> <> triplet <>))))
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;; Ask for absolute file names so that .drv file names passed from the
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;; user to 'read-derivation' are absolute when it returns.
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(with-fluids ((%file-port-name-canonicalization 'absolute))
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(let ((opts (parse-options)))
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(define package->derivation
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(match (assoc-ref opts 'target)
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(#f package-derivation)
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(triplet
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(cut package-cross-derivation <> <> triplet <>))))
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(parameterize ((%store (open-connection)))
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(let* ((src? (assoc-ref opts 'source?))
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(sys (assoc-ref opts 'system))
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(drv (filter-map (match-lambda
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(('expression . str)
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(derivations-from-package-expressions
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str package->derivation sys src?))
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(('argument . (? derivation-path? drv))
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(call-with-input-file drv read-derivation))
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(('argument . (? string? x))
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(let ((p (find-package x)))
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(if src?
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(let ((s (package-source p)))
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(package-source-derivation
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(%store) s))
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(package->derivation (%store) p sys))))
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(_ #f))
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opts))
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(roots (filter-map (match-lambda
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(('gc-root . root) root)
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(_ #f))
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opts)))
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(parameterize ((%store (open-connection)))
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(let* ((src? (assoc-ref opts 'source?))
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(sys (assoc-ref opts 'system))
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(drv (filter-map (match-lambda
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(('expression . str)
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(derivations-from-package-expressions
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str package->derivation sys src?))
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(('argument . (? derivation-path? drv))
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(call-with-input-file drv read-derivation))
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(('argument . (? store-path?))
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;; Nothing to do; maybe for --log-file.
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#f)
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(('argument . (? string? x))
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(let ((p (find-package x)))
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(if src?
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(let ((s (package-source p)))
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(package-source-derivation
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(%store) s))
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(package->derivation (%store) p sys))))
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(_ #f))
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opts))
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(roots (filter-map (match-lambda
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(('gc-root . root) root)
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(_ #f))
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opts)))
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(show-what-to-build (%store) drv
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#:use-substitutes? (assoc-ref opts 'substitutes?)
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#:dry-run? (assoc-ref opts 'dry-run?))
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(unless (assoc-ref opts 'log-file?)
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(show-what-to-build (%store) drv
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#:use-substitutes? (assoc-ref opts 'substitutes?)
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#:dry-run? (assoc-ref opts 'dry-run?)))
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;; TODO: Add more options.
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(set-build-options (%store)
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#:keep-failed? (assoc-ref opts 'keep-failed?)
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#:build-cores (or (assoc-ref opts 'cores) 0)
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#:fallback? (assoc-ref opts 'fallback?)
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#:use-substitutes? (assoc-ref opts 'substitutes?)
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#:max-silent-time (assoc-ref opts 'max-silent-time)
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#:verbosity (assoc-ref opts 'verbosity))
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;; TODO: Add more options.
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(set-build-options (%store)
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#:keep-failed? (assoc-ref opts 'keep-failed?)
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#:build-cores (or (assoc-ref opts 'cores) 0)
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#:fallback? (assoc-ref opts 'fallback?)
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#:use-substitutes? (assoc-ref opts 'substitutes?)
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#:max-silent-time (assoc-ref opts 'max-silent-time)
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#:verbosity (assoc-ref opts 'verbosity))
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(if (assoc-ref opts 'derivations-only?)
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(begin
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(format #t "~{~a~%~}" (map derivation-file-name drv))
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(for-each (cut register-root <> <>)
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(map (compose list derivation-file-name) drv)
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roots))
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(or (assoc-ref opts 'dry-run?)
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(and (build-derivations (%store) drv)
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(for-each (lambda (d)
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(format #t "~{~a~%~}"
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(map (match-lambda
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((out-name . out)
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(derivation->output-path
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d out-name)))
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(derivation-outputs d))))
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drv)
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(for-each (cut register-root <> <>)
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(map (lambda (drv)
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(map cdr
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(derivation->output-paths drv)))
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drv)
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roots)))))))))
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(cond ((assoc-ref opts 'log-file?)
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(for-each (lambda (file)
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(let ((log (log-file (%store) file)))
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(if log
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(format #t "~a~%" log)
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(leave (_ "no build log for '~a'~%")
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file))))
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(delete-duplicates
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(append (map derivation-file-name drv)
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(filter-map (match-lambda
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(('argument
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. (? store-path? file))
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file)
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(_ #f))
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opts)))))
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((assoc-ref opts 'derivations-only?)
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(format #t "~{~a~%~}" (map derivation-file-name drv))
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(for-each (cut register-root <> <>)
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(map (compose list derivation-file-name) drv)
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roots))
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((not (assoc-ref opts 'dry-run?))
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(and (build-derivations (%store) drv)
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(for-each (lambda (d)
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(format #t "~{~a~%~}"
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(map (match-lambda
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((out-name . out)
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(derivation->output-path
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d out-name)))
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(derivation-outputs d))))
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drv)
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(for-each (cut register-root <> <>)
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(map (lambda (drv)
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(map cdr
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(derivation->output-paths drv)))
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drv)
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roots))))))))))
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@ -36,6 +36,17 @@ guix build -e '(@@ (gnu packages base) %bootstrap-guile)' | \
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guix build hello -d | \
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grep -e '-hello-[0-9\.]\+\.drv$'
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# Should all return valid log files.
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drv="`guix build -d -e '(@@ (gnu packages base) %bootstrap-guile)'`"
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out="`guix build -e '(@@ (gnu packages base) %bootstrap-guile)'`"
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log="`guix build --log-file $drv`"
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echo "$log" | grep log/.*guile.*drv
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test -f "$log"
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test "`guix build -e '(@@ (gnu packages base) %bootstrap-guile)' --log-file`" \
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= "$log"
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test "`guix build --log-file guile-bootstrap`" = "$log"
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test "`guix build --log-file $out`" = "$log"
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# Should fail because the name/version combination could not be found.
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if guix build hello-0.0.1 -n; then false; else true; fi
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