Package: guix-patches;
Reported by: Xinglu Chen <public <at> yoctocell.xyz>
Date: Wed, 9 Jun 2021 13:05:01 UTC
Severity: normal
Tags: patch
Done: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
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guix-patches <at> gnu.org
:bug#48934
; Package guix-patches
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(Wed, 09 Jun 2021 13:05:02 GMT) Full text and rfc822 format available.Xinglu Chen <public <at> yoctocell.xyz>
:guix-patches <at> gnu.org
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(Wed, 09 Jun 2021 13:05:02 GMT) Full text and rfc822 format available.Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: Xinglu Chen <public <at> yoctocell.xyz> To: guix-patches <at> gnu.org Cc: Maxim Cournoyer <maxim.cournoyer <at> gmail.com> Subject: [PATCH 0/2] Some improvements to (gnu services configuration) Date: Wed, 09 Jun 2021 15:04:31 +0200
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This series contains some improvements to the (gnu services configuration) module. The first patch changes the formatting of the generated documentation for configuration records. Previously, the generated documentation looked a bit different from the ones that were to generated, compare the docs for ‘getmail-configuration’ (generated) and ‘openssh-configuration’ (not generated). --8<---------------cut here---------------start------------->8--- Available ‘getmail-configuration’ fields are: -- ‘getmail-configuration’ parameter: symbol name A symbol to identify the getmail service. Defaults to ‘"unset"’. -- ‘getmail-configuration’ parameter: package package The getmail package to use. --8<---------------cut here---------------end--------------->8--- --8<---------------cut here---------------start------------->8--- -- Data Type: openssh-configuration This is the configuration record for OpenSSH’s ‘sshd’. ‘openssh’ (default OPENSSH) The Openssh package to use. ‘pid-file’ (default: ‘"/var/run/sshd.pid"’) Name of the file where ‘sshd’ writes its PID. ‘port-number’ (default: ‘22’) TCP port on which ‘sshd’ listens for incoming connections. --8<---------------cut here---------------end--------------->8--- The first patch will make the generated documentation look at lot more similiar to the hand-written ones. --8<---------------cut here---------------start------------->8--- -- Data Type: getmail-configuration Available ‘getmail-configuration’ fields are: ‘name’ (default: ‘"unset"’) (type: symbol) A symbol to identify the getmail service. ‘package’ (default: ‘getmail’) (type: package) The getmail package to use. --8<---------------cut here---------------end--------------->8--- If you paid close attention you will also notice that the old generated docs didn’t specify the default value of the ‘package’ field, whereas the new docs do. This brings us to the second patch, it looks the package and shows the value of the ‘name’ field of the package. This will only show the correct package name if the ‘name’ field and the Scheme variable corresponding to the package are the same, in most cases it is, so I don’t think it would be a huge deal. Xinglu Chen (2): services: configuration: Change formatting of generated documentation. services: configuration: Show default value when it is a package. gnu/services/configuration.scm | 62 ++++++++++++++++++++-------------- 1 file changed, 36 insertions(+), 26 deletions(-) base-commit: 86bb77608d375043f837583332a7c852ea2080ec -- 2.32.0
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guix-patches <at> gnu.org
:bug#48934
; Package guix-patches
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(Wed, 09 Jun 2021 13:07:02 GMT) Full text and rfc822 format available.Message #8 received at 48934 <at> debbugs.gnu.org (full text, mbox):
From: Xinglu Chen <public <at> yoctocell.xyz> To: 48934 <at> debbugs.gnu.org Subject: [PATCH 1/2] services: configuration: Change formatting of generated Date: Wed, 09 Jun 2021 15:06:26 +0200
* gnu/services/configuration (generate-documentation): Make the formatting of the generated docs more consistent with the rest of the docs in the “Services” section of the manual. --- gnu/services/configuration.scm | 54 ++++++++++++++++++---------------- 1 file changed, 28 insertions(+), 26 deletions(-) diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm index f23840ee6d..abcbc70520 100644 --- a/gnu/services/configuration.scm +++ b/gnu/services/configuration.scm @@ -239,32 +239,34 @@ does not have a default value" field kind))) (define (generate configuration-name) (match (assq-ref documentation configuration-name) ((fields . sub-documentation) - `((para "Available " (code ,(str configuration-name)) " fields are:") - ,@(map - (lambda (f) - (let ((field-name (configuration-field-name f)) - (field-type (configuration-field-type f)) - (field-docs (cdr (texi-fragment->stexi - (configuration-field-documentation f)))) - (default (catch #t - (configuration-field-default-value-thunk f) - (lambda _ '%invalid)))) - (define (show-default? val) - (or (string? val) (number? val) (boolean? val) - (and (symbol? val) (not (eq? val '%invalid))) - (and (list? val) (and-map show-default? val)))) - `(deftypevr (% (category - (code ,(str configuration-name)) " parameter") - (data-type ,(str field-type)) - (name ,(str field-name))) - ,@field-docs - ,@(if (show-default? default) - `((para "Defaults to " (samp ,(str default)) ".")) - '()) - ,@(append-map - generate - (or (assq-ref sub-documentation field-name) '()))))) - fields))))) + `((deftp (% (category "Data Type") (name ,(str configuration-name))) + (para "Available " (code ,(str configuration-name)) " fields are:") + (table (% (formatter (asis))) + ,@(map + (lambda (f) + (let ((field-name (configuration-field-name f)) + (field-type (configuration-field-type f)) + (field-docs (cdr (texi-fragment->stexi + (configuration-field-documentation f)))) + (default (catch #t + (configuration-field-default-value-thunk f) + (lambda _ '%invalid)))) + (define (show-default? val) + (or (string? val) (number? val) (boolean? val) + (and (symbol? val) (not (eq? val '%invalid))) + (and (list? val) (and-map show-default? val)))) + `(entry (% (heading (code ,(str field-name)) + ,@(if (show-default? default) + `(" (default: " (code ,(str default)) ")") + '()) + " (type: " + ,(str field-type) + ")")) + (para ,@field-docs) + ,@(append-map + generate + (or (assq-ref sub-documentation field-name) '()))))) + fields))))))) (stexi->texi `(*fragment* . ,(generate documentation-name)))) (define (configuration->documentation configuration-symbol) -- 2.32.0
guix-patches <at> gnu.org
:bug#48934
; Package guix-patches
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(Wed, 09 Jun 2021 13:07:02 GMT) Full text and rfc822 format available.Message #11 received at 48934 <at> debbugs.gnu.org (full text, mbox):
From: Xinglu Chen <public <at> yoctocell.xyz> To: 48934 <at> debbugs.gnu.org Subject: [PATCH 2/2] services: configuration: Show default value when it is a Date: Wed, 09 Jun 2021 15:06:27 +0200
* gnu/services/configuration.scm (generate-documentation): If the default value of a field is a package, show the value of the ‘name’ field of the package. This might not be the correct name in some cases though. --- gnu/services/configuration.scm | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm index abcbc70520..99687d065a 100644 --- a/gnu/services/configuration.scm +++ b/gnu/services/configuration.scm @@ -252,12 +252,20 @@ does not have a default value" field kind))) (configuration-field-default-value-thunk f) (lambda _ '%invalid)))) (define (show-default? val) - (or (string? val) (number? val) (boolean? val) + (or (string? val) (number? val) (boolean? val) (package? val) (and (symbol? val) (not (eq? val '%invalid))) (and (list? val) (and-map show-default? val)))) + + (define (show-default val) + (cond + ((package? val) + ;; Maybe not always correct. + (package-name val)) + (else (str val)))) + `(entry (% (heading (code ,(str field-name)) ,@(if (show-default? default) - `(" (default: " (code ,(str default)) ")") + `(" (default: " (code ,(show-default default)) ")") '()) " (type: " ,(str field-type) -- 2.32.0
guix-patches <at> gnu.org
:bug#48934
; Package guix-patches
.
(Mon, 02 Aug 2021 18:11:01 GMT) Full text and rfc822 format available.Message #14 received at 48934 <at> debbugs.gnu.org (full text, mbox):
From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com> To: Xinglu Chen <public <at> yoctocell.xyz> Cc: 48934 <at> debbugs.gnu.org Subject: Re: bug#48934: [PATCH 0/2] Some improvements to (gnu services configuration) Date: Mon, 02 Aug 2021 14:10:01 -0400
Hello Xinglu! Xinglu Chen <public <at> yoctocell.xyz> writes: > * gnu/services/configuration (generate-documentation): Make the formatting of > the generated docs more consistent with the rest of the docs in the “Services” > section of the manual. I've modified the commit message to be more in line with the GNU change log style (see 'info (standards) Style of Change Logs'), like so: services: configuration: Uniformize the generated documentation. Make the formatting of the generated docs more consistent with the rest of the docs in the “Services” section of the manual. * gnu/services/configuration (generate-documentation): Represent the data type documentation of a field using a DEFTP table rather than DEFTYPEVR elements. > --- > gnu/services/configuration.scm | 54 ++++++++++++++++++---------------- > 1 file changed, 28 insertions(+), 26 deletions(-) > > diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm > index f23840ee6d..abcbc70520 100644 > --- a/gnu/services/configuration.scm > +++ b/gnu/services/configuration.scm > @@ -239,32 +239,34 @@ does not have a default value" field kind))) > (define (generate configuration-name) > (match (assq-ref documentation configuration-name) > ((fields . sub-documentation) > - `((para "Available " (code ,(str configuration-name)) " fields are:") > - ,@(map > - (lambda (f) > - (let ((field-name (configuration-field-name f)) > - (field-type (configuration-field-type f)) > - (field-docs (cdr (texi-fragment->stexi > - (configuration-field-documentation f)))) > - (default (catch #t > - (configuration-field-default-value-thunk f) > - (lambda _ '%invalid)))) > - (define (show-default? val) > - (or (string? val) (number? val) (boolean? val) > - (and (symbol? val) (not (eq? val '%invalid))) > - (and (list? val) (and-map show-default? val)))) > - `(deftypevr (% (category > - (code ,(str configuration-name)) " parameter") > - (data-type ,(str field-type)) > - (name ,(str field-name))) > - ,@field-docs > - ,@(if (show-default? default) > - `((para "Defaults to " (samp ,(str default)) ".")) > - '()) > - ,@(append-map > - generate > - (or (assq-ref sub-documentation field-name) '()))))) > - fields))))) > + `((deftp (% (category "Data Type") (name ,(str configuration-name))) > + (para "Available " (code ,(str configuration-name)) " fields are:") > + (table (% (formatter (asis))) > + ,@(map > + (lambda (f) > + (let ((field-name (configuration-field-name f)) > + (field-type (configuration-field-type f)) > + (field-docs (cdr (texi-fragment->stexi > + (configuration-field-documentation f)))) > + (default (catch #t > + (configuration-field-default-value-thunk f) > + (lambda _ '%invalid)))) > + (define (show-default? val) > + (or (string? val) (number? val) (boolean? val) > + (and (symbol? val) (not (eq? val '%invalid))) > + (and (list? val) (and-map show-default? val)))) > + `(entry (% (heading (code ,(str field-name)) > + ,@(if (show-default? default) > + `(" (default: " (code ,(str default)) ")") > + '()) > + " (type: " > + ,(str field-type) > + ")")) > + (para ,@field-docs) > + ,@(append-map > + generate > + (or (assq-ref sub-documentation field-name) '()))))) > + fields))))))) > (stexi->texi `(*fragment* . ,(generate documentation-name)))) > > (define (configuration->documentation configuration-symbol) I've used this opportunity to re-indent the code a bit, so that it'd fit under 80 characters column width. Thanks for this neat improvement! Maxim
Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
:Xinglu Chen <public <at> yoctocell.xyz>
:Message #19 received at 48934-done <at> debbugs.gnu.org (full text, mbox):
From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com> To: Xinglu Chen <public <at> yoctocell.xyz> Cc: 48934-done <at> debbugs.gnu.org Subject: Re: bug#48934: [PATCH 0/2] Some improvements to (gnu services configuration) Date: Mon, 02 Aug 2021 14:21:07 -0400
Hello again, Xinglu Chen <public <at> yoctocell.xyz> writes: > * gnu/services/configuration.scm (generate-documentation): If the default > value of a field is a package, show the value of the ‘name’ field of the > package. This might not be the correct name in some cases though. Here also, I've edited the commit message like so: services: configuration: Derive the default value from the package variable. If the type of a configuration field is a package, show the name of its package *variable* as the default value. * gnu/services/configuration.scm (generate-documentation){show-default} {package->symbol}: New nested procedures. Use them to format the field entries. > --- > gnu/services/configuration.scm | 12 ++++++++++-- > 1 file changed, 10 insertions(+), 2 deletions(-) > > diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm > index abcbc70520..99687d065a 100644 > --- a/gnu/services/configuration.scm > +++ b/gnu/services/configuration.scm > @@ -252,12 +252,20 @@ does not have a default value" field kind))) > (configuration-field-default-value-thunk f) > (lambda _ '%invalid)))) > (define (show-default? val) > - (or (string? val) (number? val) (boolean? val) > + (or (string? val) (number? val) (boolean? val) (package? val) > (and (symbol? val) (not (eq? val '%invalid))) > (and (list? val) (and-map show-default? val)))) > + > + (define (show-default val) > + (cond > + ((package? val) > + ;; Maybe not always correct. > + (package-name val)) > + (else (str val)))) > + > `(entry (% (heading (code ,(str field-name)) > ,@(if (show-default? default) > - `(" (default: " (code ,(str default)) ")") > + `(" (default: " (code ,(show-default default)) ")") > '()) > " (type: " > ,(str field-type) I've found a (rather hacky?) way to derive a package's symbol name instead of using its name, which eliminates the risk of a mismatch, using such procedure: --8<---------------cut here---------------start------------->8--- @@ -252,6 +254,21 @@ does not have a default value" field kind))) ;; A little helper to make it easier to document all those fields. (define (generate-documentation documentation documentation-name) (define (str x) (object->string x)) + + (define (package->symbol package) + "Return the first symbol name of a package that matches PACKAGE, else #f." + (let* ((module (file-name->module-name + (location-file (package-location package)))) + (symbols (filter-map + identity + (module-map (lambda (symbol var) + (and (equal? package (variable-ref var)) + symbol)) + (resolve-module module))))) + (if (null? symbols) + #f + (first symbols)))) + (define (generate configuration-name) (match (assq-ref documentation configuration-name) ((fields . sub-documentation) @@ -270,14 +287,21 @@ does not have a default value" field kind))) (lambda _ '%invalid)))) (define (show-default? val) (or (string? val) (number? val) (boolean? val) + (package? val) (and (symbol? val) (not (eq? val '%invalid))) (and (list? val) (and-map show-default? val)))) + (define (show-default val) + (cond + ((package? val) + (symbol->string (package->symbol val))) + (else (str val)))) + `(entry (% (heading (code ,(str field-name)) ,@(if (show-default? default) `(" (default: " --8<---------------cut here---------------end--------------->8--- Tested it to generate the new Jami service documentation, and pushed as commit 8e1f94421873777c6bb0b83daa4f81cbacc8b3ff. I think (guix services configuration) is starting to look good! Thanks to your efforts toward improving the module. Closing. Maxim
guix-patches <at> gnu.org
:bug#48934
; Package guix-patches
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(Tue, 03 Aug 2021 07:26:02 GMT) Full text and rfc822 format available.Message #22 received at 48934-done <at> debbugs.gnu.org (full text, mbox):
From: Xinglu Chen <public <at> yoctocell.xyz> To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com> Cc: 48934-done <at> debbugs.gnu.org Subject: Re: bug#48934: [PATCH 0/2] Some improvements to (gnu services configuration) Date: Tue, 03 Aug 2021 09:24:46 +0200
[Message part 1 (text/plain, inline)]
On Mon, Aug 02 2021, Maxim Cournoyer wrote: > Hello again, > > Xinglu Chen <public <at> yoctocell.xyz> writes: > >> * gnu/services/configuration.scm (generate-documentation): If the default >> value of a field is a package, show the value of the ‘name’ field of the >> package. This might not be the correct name in some cases though. > > Here also, I've edited the commit message like so: > > services: configuration: Derive the default value from the package variable. > > If the type of a configuration field is a package, show the name of its > package *variable* as the default value. > > * gnu/services/configuration.scm (generate-documentation){show-default} > {package->symbol}: New nested procedures. Use them to format the field > entries. Thanks, I should probably re-read the manual. :) >> --- >> gnu/services/configuration.scm | 12 ++++++++++-- >> 1 file changed, 10 insertions(+), 2 deletions(-) >> >> diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm >> index abcbc70520..99687d065a 100644 >> --- a/gnu/services/configuration.scm >> +++ b/gnu/services/configuration.scm >> @@ -252,12 +252,20 @@ does not have a default value" field kind))) >> (configuration-field-default-value-thunk f) >> (lambda _ '%invalid)))) >> (define (show-default? val) >> - (or (string? val) (number? val) (boolean? val) >> + (or (string? val) (number? val) (boolean? val) (package? val) >> (and (symbol? val) (not (eq? val '%invalid))) >> (and (list? val) (and-map show-default? val)))) >> + >> + (define (show-default val) >> + (cond >> + ((package? val) >> + ;; Maybe not always correct. >> + (package-name val)) >> + (else (str val)))) >> + >> `(entry (% (heading (code ,(str field-name)) >> ,@(if (show-default? default) >> - `(" (default: " (code ,(str default)) ")") >> + `(" (default: " (code ,(show-default default)) ")") >> '()) >> " (type: " >> ,(str field-type) > > I've found a (rather hacky?) way to derive a package's symbol name > instead of using its name, which eliminates the risk of a mismatch, > using such procedure: > > --8<---------------cut here---------------start------------->8--- > @@ -252,6 +254,21 @@ does not have a default value" field kind))) > ;; A little helper to make it easier to document all those fields. > (define (generate-documentation documentation documentation-name) > (define (str x) (object->string x)) > + > + (define (package->symbol package) > + "Return the first symbol name of a package that matches PACKAGE, else #f." > + (let* ((module (file-name->module-name > + (location-file (package-location package)))) > + (symbols (filter-map > + identity > + (module-map (lambda (symbol var) > + (and (equal? package (variable-ref var)) > + symbol)) > + (resolve-module module))))) > + (if (null? symbols) > + #f > + (first symbols)))) > + > (define (generate configuration-name) > (match (assq-ref documentation configuration-name) > ((fields . sub-documentation) > @@ -270,14 +287,21 @@ does not have a default value" field kind))) > (lambda _ '%invalid)))) > (define (show-default? val) > (or (string? val) (number? val) (boolean? val) > + (package? val) > (and (symbol? val) (not (eq? val '%invalid))) > (and (list? val) (and-map show-default? val)))) > > + (define (show-default val) > + (cond > + ((package? val) > + (symbol->string (package->symbol val))) > + (else (str val)))) > + > `(entry (% (heading > (code ,(str field-name)) > ,@(if (show-default? default) > `(" (default: " > --8<---------------cut here---------------end--------------->8--- Cool, that looks like a better way than just getting the package name. > Tested it to generate the new Jami service documentation, and pushed as > commit 8e1f94421873777c6bb0b83daa4f81cbacc8b3ff. > > I think (guix services configuration) is starting to look good! Thanks > to your efforts toward improving the module. You are welcome, happy to help out. The next step would probably be to automatically generate the docs when invoking ‘make docs’.
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guix-patches <at> gnu.org
:bug#48934
; Package guix-patches
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(Tue, 03 Aug 2021 14:39:01 GMT) Full text and rfc822 format available.Message #25 received at 48934-done <at> debbugs.gnu.org (full text, mbox):
From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com> To: Xinglu Chen <public <at> yoctocell.xyz> Cc: 48934-done <at> debbugs.gnu.org Subject: Re: bug#48934: [PATCH 0/2] Some improvements to (gnu services configuration) Date: Tue, 03 Aug 2021 10:38:34 -0400
Hi, Xinglu Chen <public <at> yoctocell.xyz> writes: [...] >> I think (guix services configuration) is starting to look good! Thanks >> to your efforts toward improving the module. > > You are welcome, happy to help out. The next step would probably be to > automatically generate the docs when invoking ‘make docs’. Agreed! I've left a TODO in the recent Jami service addition to guix.texi that suggests to do this. It'd be useful! Maxim
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