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doc: cookbook: More "#true" and "#false". 

* doc/guix-cookbook.texi (Extended example)
(Customizing the Kernel, Running Guix on a Linode Server): Use #true and #false.
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Ludovic Courtès 2020-10-15 15:35:25 +02:00
parent 51f34e21c6
commit 3451368345
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1 changed files with 15 additions and 15 deletions
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@ -792,11 +792,11 @@ another, more sophisticated package (slightly modified from the source):
(snippet '(begin
;; Remove bundled software.
(delete-file-recursively "deps")
#t))))
#true))))
(build-system cmake-build-system)
(outputs '("out" "debug"))
(arguments
`(#:tests? #t ; Run the test suite (this is the default)
`(#:tests? #true ; Run the test suite (this is the default)
#:configure-flags '("-DUSE_SHA1DC=ON") ; SHA-1 collision detection
#:phases
(modify-phases %standard-phases
@ -807,12 +807,12 @@ another, more sophisticated package (slightly modified from the source):
(substitute* "tests/clar/fs.h"
(("/bin/cp") (which "cp"))
(("/bin/rm") (which "rm")))
#t))
#true))
;; Run checks more verbosely.
(replace 'check
(lambda _ (invoke "./libgit2_clar" "-v" "-Q")))
(add-after 'unpack 'make-files-writable-for-tests
(lambda _ (for-each make-file-writable (find-files "." ".*")))))))
(lambda _ (for-each make-file-writable (find-files "." ".*")))))))
(inputs
`(("libssh2" ,libssh2)
("http-parser" ,http-parser)
@ -1030,7 +1030,7 @@ If you want to know more about what happens during those phases, consult the
associated procedures.
For instance, as of this writing the definition of @code{unpack} for the GNU build
system is
system is:
@lisp
(define* (unpack #:key source #:allow-other-keys)
@ -1045,13 +1045,13 @@ working directory."
;; Preserve timestamps (set to the Epoch) on the copied tree so that
;; things work deterministically.
(copy-recursively source "."
#:keep-mtime? #t))
#:keep-mtime? #true))
(begin
(if (string-suffix? ".zip" source)
(invoke "unzip" source)
(invoke "tar" "xvf" source))
(chdir (first-subdirectory "."))))
#t)
#true)
@end lisp
Note the @code{chdir} call: it changes the working directory to where the source was
@ -1088,7 +1088,7 @@ this:
(output-directory (assoc-ref outputs "out"))
(doc-directory (assoc-ref outputs "doc")))
;; ...
#t))
#true))
@end lisp
The procedure must return @code{#true} on success. It's brittle to rely on the return
@ -1386,8 +1386,8 @@ creates a package.
#:key
;; A function that takes an arch and a variant.
;; See kernel-config for an example.
(extra-version #f)
(configuration-file #f)
(extra-version #false)
(configuration-file #false)
(defconfig "defconfig")
(extra-options %default-extra-linux-options)
(patches (list %boot-logo-patch)))
@ -1461,7 +1461,7 @@ it:
@lisp
(define %default-extra-linux-options
`(;; https://lists.gnu.org/archive/html/guix-devel/2014-04/msg00039.html
("CONFIG_DEVPTS_MULTIPLE_INSTANCES" . #t)
("CONFIG_DEVPTS_MULTIPLE_INSTANCES" . #true)
;; Modules required for initrd:
("CONFIG_NET_9P" . m)
("CONFIG_NET_9P_VIRTIO" . m)
@ -1478,9 +1478,9 @@ it:
(string-join (map (match-lambda
((option . 'm)
(string-append option "=m"))
((option . #t)
((option . #true)
(string-append option "=y"))
((option . #f)
((option . #false)
(string-append option "=n")))
options)
"\n"))
@ -1867,7 +1867,7 @@ is below. Save the resulting file as @file{guix-config.scm}.
(bootloader
(bootloader
(inherit grub-bootloader)
(installer #~(const #t))))))
(installer #~(const #true))))))
(file-systems (cons (file-system
(device "/dev/sda")
(mount-point "/")
@ -1899,7 +1899,7 @@ is below. Save the resulting file as @file{guix-config.scm}.
(service openssh-service-type
(openssh-configuration
(openssh openssh-sans-x)
(password-authentication? #f)
(password-authentication? #false)
(authorized-keys
`(("janedoe" ,(local-file "janedoe_rsa.pub"))
("root" ,(local-file "janedoe_rsa.pub"))))))