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Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 67 |
1 files changed, 51 insertions, 16 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index ceec8caa46..a03a9f6df2 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -2106,8 +2106,8 @@ manual}). @cindex UEFI, installation @cindex ESP, EFI system partition If you instead wish to use EFI-based GRUB, a FAT32 @dfn{EFI System Partition} -(ESP) is required. This partition should be mounted at @file{/boot/efi} and -must have the @code{esp} flag set. E.g., for @command{parted}: +(ESP) is required. This partition can be mounted at @file{/boot/efi} for +instance and must have the @code{esp} flag set. E.g., for @command{parted}: @example parted /dev/sda set 1 esp on @@ -2169,9 +2169,9 @@ mount LABEL=my-root /mnt @end example Also mount any other file systems you would like to use on the target -system relative to this path. If you have @file{/boot} on a separate -partition for example, mount it at @file{/mnt/boot} now so it is found -by @code{guix system init} afterwards. +system relative to this path. If you have opted for @file{/boot/efi} as an +EFI mount point for example, mount it at @file{/mnt/boot/efi} now so it is +found by @code{guix system init} afterwards. Finally, if you plan to use one or more swap partitions (@pxref{Memory Concepts, swap space,, libc, The GNU C Library Reference Manual}), make @@ -2253,8 +2253,9 @@ you want to install GRUB on. It should mention @code{grub-bootloader} if you are installing GRUB in the legacy way, or @code{grub-efi-bootloader} for newer UEFI systems. For legacy systems, the @code{target} field names a device, like @code{/dev/sda}; for UEFI systems it names a path -to a mounted EFI partition, like @code{/boot/efi}, and do make sure the -path is actually mounted. +to a mounted EFI partition, like @code{/boot/efi}; do make sure the path is +currently mounted and a @code{file-sytem} entry is specified in your +configuration. @item Be sure that your file system labels match the value of their respective @@ -9708,7 +9709,9 @@ key is authorized. It also reports the size of the compressed archives (``nars'') provided by the server, the size the corresponding store items occupy in the store (assuming deduplication is turned off), and the server's throughput. The second part gives continuous integration -(CI) statistics, if the server supports it. +(CI) statistics, if the server supports it. In addition, using the +@option{--coverage} option, @command{guix weather} can list ``important'' +package substitutes missing on the server (see below). To achieve that, @command{guix weather} queries over HTTP(S) meta-data (@dfn{narinfos}) for all the relevant store items. Like @command{guix @@ -9736,6 +9739,37 @@ Instead of querying substitutes for all the packages, only ask for those specified in @var{file}. @var{file} must contain a @dfn{manifest}, as with the @code{-m} option of @command{guix package} (@pxref{Invoking guix package}). + +@item --coverage[=@var{count}] +@itemx -c [@var{count}] +Report on substitute coverage for packages: list packages with at least +@var{count} dependents (zero by default) for which substitutes are +unavailable. Dependent packages themselves are not listed: if @var{b} depends +on @var{a} and @var{a} has no substitutes, only @var{a} is listed, even though +@var{b} usually lacks substitutes as well. The result looks like this: + +@example +$ guix weather --substitute-urls=https://ci.guix.info -c 10 +computing 8,983 package derivations for x86_64-linux... +looking for 9,343 store items on https://ci.guix.info... +updating substitutes from 'https://ci.guix.info'... 100.0% +https://ci.guix.info + 64.7% substitutes available (6,047 out of 9,343) +@dots{} +2502 packages are missing from 'https://ci.guix.info' for 'x86_64-linux', among which: + 58 kcoreaddons@@5.49.0 /gnu/store/@dots{}-kcoreaddons-5.49.0 + 46 qgpgme@@1.11.1 /gnu/store/@dots{}-qgpgme-1.11.1 + 37 perl-http-cookiejar@@0.008 /gnu/store/@dots{}-perl-http-cookiejar-0.008 + @dots{} +@end example + +What this example shows is that @code{kcoreaddons} and presumably the 58 +packages that depend on it have no substitutes at @code{ci.guix.info}; +likewise for @code{qgpgme} and the 46 packages that depend on it. + +If you are a Guix developer, or if you are taking care of this build farm, +you'll probably want to have a closer look at these packages: they may simply +fail to build. @end table @node Invoking guix processes @@ -10887,9 +10921,9 @@ system, you will want to append services to @var{%base-services}, like this: @example -(cons* (service avahi-service-type) - (service openssh-service-type) - %base-services) +(append (list (service avahi-service-type) + (service openssh-service-type)) + %base-services) @end example @end defvr @@ -11519,11 +11553,12 @@ well as in the @var{groups} field of the @var{operating-system} record. ;; @dots{} (services - (modify-services %desktop-services - (udev-service-type config => - (udev-configuration (inherit config) - (rules (cons* android-udev-rules - (udev-configuration-rules config)))))))) + (modify-services %desktop-services + (udev-service-type + config => + (udev-configuration (inherit config) + (rules (cons android-udev-rules + (udev-configuration-rules config)))))))) @end example @defvr {Scheme Variable} urandom-seed-service-type |