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732 lines
25 KiB
Scheme
732 lines
25 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
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;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
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;;; Copyright © 2018 Christopher Baines <mail@cbaines.net>
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;;; Copyright © 2019 Arun Isaac <arunisaac@systemreboot.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu services cgit)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages version-control)
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#:use-module (gnu services base)
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#:use-module (gnu services configuration)
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#:use-module (gnu services shepherd)
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#:use-module (gnu services web)
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#:use-module (gnu services)
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#:use-module (gnu system shadow)
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#:use-module (guix gexp)
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#:use-module (guix packages)
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#:use-module (guix records)
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#:use-module (guix store)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:export (repository-cgit-configuration
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cgit-configuration
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%cgit-configuration-nginx
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cgit-configuration-nginx-config
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opaque-cgit-configuration
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cgit-service-type))
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;;; Commentary:
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;;;
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;;; This module provides a service definition for the Cgit a web frontend for
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;;; Git repositories written in C.
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;;;
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;;; Note: fields of <cgit-configuration> and <repository-cgit-configuration>
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;;; should be specified in the specific order.
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;;;
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;;; Code:
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(define %cgit-configuration-nginx
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(nginx-server-configuration
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(root cgit)
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(locations
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(list
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(nginx-location-configuration
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(uri "@cgit")
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(body '("fastcgi_param SCRIPT_FILENAME $document_root/lib/cgit/cgit.cgi;"
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"fastcgi_param PATH_INFO $uri;"
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"fastcgi_param QUERY_STRING $args;"
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"fastcgi_param HTTP_HOST $server_name;"
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"fastcgi_pass 127.0.0.1:9000;")))))
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(try-files (list "$uri" "@cgit"))
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(listen '("80"))
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(ssl-certificate #f)
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(ssl-certificate-key #f)))
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;;;
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;;; Serialize <cgit-configuration>
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;;;
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(define (uglify-field-name field-name)
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(string-delete #\? (symbol->string field-name)))
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(define (serialize-field field-name val)
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#~(format #f "~a=~a\n" #$(uglify-field-name field-name) #$val))
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(define (serialize-string field-name val)
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(if (and (string? val) (string=? val ""))
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""
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(serialize-field field-name val)))
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(define (serialize-list field-name val)
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(if (null? val) "" (serialize-field field-name (string-join val))))
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(define robots-list? list?)
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(define (serialize-robots-list field-name val)
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(if (null? val) "" (serialize-field field-name (string-join val ", "))))
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(define (integer? val)
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(exact-integer? val))
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(define (serialize-integer field-name val)
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(serialize-field field-name (number->string val)))
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(define (serialize-boolean field-name val)
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(serialize-integer field-name (if val 1 0)))
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(define (serialize-repository-cgit-configuration x)
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(serialize-configuration x repository-cgit-configuration-fields))
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(define (repository-cgit-configuration-list? val)
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(list? val))
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(define (serialize-repository-cgit-configuration-list field-name val)
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#~(string-append
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#$@(map serialize-repository-cgit-configuration val)))
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(define (file-object? val)
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(or (file-like? val) (string? val)))
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(define (serialize-file-object field-name val)
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(serialize-string field-name val))
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(define (project-list? val)
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(or (list? val)
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(file-object? val)))
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;;;
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;;; Serialize <nginx-server-configuration>
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;;;
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(define (nginx-server-configuration-list? val)
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(and (list? val) (and-map nginx-server-configuration? val)))
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(define (serialize-nginx-server-configuration-list field-name val)
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"")
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;;;
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;;; Serialize <repository-cgit-configuration>
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;;;
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(define (serialize-repo-field field-name val)
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#~(format #f "repo.~a=~a\n" #$(uglify-field-name field-name) #$val))
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(define (serialize-repo-list field-name val)
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(if (null? val) "" (serialize-repo-field field-name (string-join val))))
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(define repo-boolean? boolean?)
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(define (serialize-repo-integer field-name val)
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(serialize-repo-field field-name (number->string val)))
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(define (serialize-repo-boolean field-name val)
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(serialize-repo-integer field-name (if val 1 0)))
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(define-maybe repo-boolean)
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(define repo-list? list?)
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(define repo-string? string?)
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(define (serialize-repo-string field-name val)
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(if (string=? val "") "" (serialize-repo-field field-name val)))
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(define repo-file-object? file-object?)
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(define serialize-repo-file-object serialize-repo-string)
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(define module-link-path? list?)
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(define (serialize-module-link-path field-name val)
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(if (null? val) ""
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(match val
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((path text)
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(format #f "repo.module-link.~a=~a\n" path text)))))
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(define (serialize-project-list _ val)
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(if (null? val) ""
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(serialize-field
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'project-list
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(if (file-object? val)
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val
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(plain-file "project-list" (string-join val "\n"))))))
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(define (serialize-extra-options extra-options)
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(string-join extra-options "\n" 'suffix))
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(define repository-directory? string?)
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(define (serialize-repository-directory _ val)
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(if (string=? val "") "" (format #f "scan-path=~a\n" val)))
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(define mimetype-alist? list?)
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(define (serialize-mimetype-alist field-name val)
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(format #f "# Mimetypes\n~a"
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(string-join
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(map (match-lambda
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((extension mimetype)
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(format #f "mimetype.~a=~a"
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(symbol->string extension) mimetype)))
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val) "\n")))
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(define-configuration repository-cgit-configuration
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(snapshots
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(repo-list '())
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"A mask of snapshot formats for this repo that cgit generates links for,
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restricted by the global @code{snapshots} setting.")
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(source-filter
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(repo-file-object "")
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"Override the default @code{source-filter}.")
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(url
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(repo-string "")
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"The relative URL used to access the repository.")
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(about-filter
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(repo-file-object "")
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"Override the default @code{about-filter}.")
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(branch-sort
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(repo-string "")
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"Flag which, when set to @samp{age}, enables date ordering in the branch
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ref list, and when set to @samp{name} enables ordering by branch name.")
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(clone-url
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(repo-list '())
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"A list of URLs which can be used to clone repo.")
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(commit-filter
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(repo-file-object "")
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"Override the default @code{commit-filter}.")
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(commit-sort
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(repo-string "")
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"Flag which, when set to @samp{date}, enables strict date ordering in the
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commit log, and when set to @samp{topo} enables strict topological ordering.")
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(defbranch
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(repo-string "")
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"The name of the default branch for this repository. If no such branch
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exists in the repository, the first branch name (when sorted) is used as
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default instead. By default branch pointed to by HEAD, or \"master\" if there
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is no suitable HEAD.")
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(desc
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(repo-string "")
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"The value to show as repository description.")
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(homepage
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(repo-string "")
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"The value to show as repository homepage.")
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(email-filter
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(repo-file-object "")
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"Override the default @code{email-filter}.")
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(enable-commit-graph?
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(maybe-repo-boolean 'disabled)
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"A flag which can be used to disable the global setting
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@code{enable-commit-graph?}.")
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(enable-log-filecount?
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(maybe-repo-boolean 'disabled)
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"A flag which can be used to disable the global setting
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@code{enable-log-filecount?}.")
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(enable-log-linecount?
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(maybe-repo-boolean 'disabled)
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"A flag which can be used to disable the global setting
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@code{enable-log-linecount?}.")
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(enable-remote-branches?
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(maybe-repo-boolean 'disabled)
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"Flag which, when set to @code{#t}, will make cgit display remote
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branches in the summary and refs views.")
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(enable-subject-links?
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(maybe-repo-boolean 'disabled)
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"A flag which can be used to override the global setting
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@code{enable-subject-links?}.")
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(enable-html-serving?
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(maybe-repo-boolean 'disabled)
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"A flag which can be used to override the global setting
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@code{enable-html-serving?}.")
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(hide?
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(repo-boolean #f)
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"Flag which, when set to @code{#t}, hides the repository from the
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repository index.")
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(ignore?
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(repo-boolean #f)
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"Flag which, when set to @samp{#t}, ignores the repository.")
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(logo
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(repo-file-object "")
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"URL which specifies the source of an image which will be used as a
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logo on this repo’s pages.")
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(logo-link
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(repo-string "")
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"URL loaded when clicking on the cgit logo image.")
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(owner-filter
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(repo-file-object "")
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"Override the default @code{owner-filter}.")
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(module-link
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(repo-string "")
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"Text which will be used as the formatstring for a hyperlink when a
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submodule is printed in a directory listing. The arguments for the
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formatstring are the path and SHA1 of the submodule commit.")
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(module-link-path
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(module-link-path '())
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"Text which will be used as the formatstring for a hyperlink when a
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submodule with the specified subdirectory path is printed in a directory
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listing.")
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(max-stats
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(repo-string "")
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"Override the default maximum statistics period.")
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(name
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(repo-string "")
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"The value to show as repository name.")
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(owner
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(repo-string "")
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"A value used to identify the owner of the repository.")
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(path
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(repo-string "")
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"An absolute path to the repository directory.")
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(readme
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(repo-string "")
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"A path (relative to repo) which specifies a file to include verbatim
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as the \"About\" page for this repo.")
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(section
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(repo-string "")
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"The name of the current repository section - all repositories defined
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after this option will inherit the current section name.")
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(extra-options
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(repo-list '())
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"Extra options will be appended to cgitrc file."))
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;; Generate a <cgit-configuration> record, which may include a list of
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;; <repository-cgit-configuration>, <nginx-server-configuration>, <package>.
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(define-configuration cgit-configuration
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(package
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(package cgit)
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"The CGIT package.")
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(nginx
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(nginx-server-configuration-list (list %cgit-configuration-nginx))
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"NGINX configuration.")
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(about-filter
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(file-object "")
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"Specifies a command which will be invoked to format the content of about
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pages (both top-level and for each repository).")
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(agefile
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(string "")
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"Specifies a path, relative to each repository path, which can be used to
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specify the date and time of the youngest commit in the repository.")
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(auth-filter
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(file-object "")
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"Specifies a command that will be invoked for authenticating repository
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access.")
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(branch-sort
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(string "name")
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"Flag which, when set to @samp{age}, enables date ordering in the branch
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ref list, and when set @samp{name} enables ordering by branch name.")
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(cache-root
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(string "/var/cache/cgit")
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"Path used to store the cgit cache entries.")
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(cache-static-ttl
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(integer -1)
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"Number which specifies the time-to-live, in minutes, for the cached
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version of repository pages accessed with a fixed SHA1.")
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(cache-dynamic-ttl
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(integer 5)
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"Number which specifies the time-to-live, in minutes, for the cached
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version of repository pages accessed without a fixed SHA1.")
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(cache-repo-ttl
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(integer 5)
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"Number which specifies the time-to-live, in minutes, for the cached
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version of the repository summary page.")
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(cache-root-ttl
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(integer 5)
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"Number which specifies the time-to-live, in minutes, for the cached
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version of the repository index page.")
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(cache-scanrc-ttl
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(integer 15)
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"Number which specifies the time-to-live, in minutes, for the result of
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scanning a path for Git repositories.")
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(cache-about-ttl
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(integer 15)
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"Number which specifies the time-to-live, in minutes, for the cached
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version of the repository about page.")
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(cache-snapshot-ttl
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(integer 5)
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"Number which specifies the time-to-live, in minutes, for the cached
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version of snapshots.")
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(cache-size
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(integer 0)
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"The maximum number of entries in the cgit cache. When set to
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@samp{0}, caching is disabled.")
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(case-sensitive-sort?
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(boolean #t)
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"Sort items in the repo list case sensitively.")
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(clone-prefix
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(list '())
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"List of common prefixes which, when combined with a repository URL,
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generates valid clone URLs for the repository.")
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(clone-url
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(list '())
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"List of @code{clone-url} templates.")
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(commit-filter
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(file-object "")
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"Command which will be invoked to format commit messages.")
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(commit-sort
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(string "git log")
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"Flag which, when set to @samp{date}, enables strict date ordering in the
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commit log, and when set to @samp{topo} enables strict topological
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ordering.")
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(css
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(file-object "/share/cgit/cgit.css")
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"URL which specifies the css document to include in all cgit pages.")
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(email-filter
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(file-object "")
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"Specifies a command which will be invoked to format names and email
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address of committers, authors, and taggers, as represented in various
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places throughout the cgit interface.")
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(embedded?
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(boolean #f)
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"Flag which, when set to @samp{#t}, will make cgit generate a HTML
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fragment suitable for embedding in other HTML pages.")
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(enable-commit-graph?
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(boolean #f)
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"Flag which, when set to @samp{#t}, will make cgit print an ASCII-art
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commit history graph to the left of the commit messages in the
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repository log page.")
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(enable-filter-overrides?
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(boolean #f)
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"Flag which, when set to @samp{#t}, allows all filter settings to be
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overridden in repository-specific cgitrc files.")
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(enable-follow-links?
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(boolean #f)
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"Flag which, when set to @samp{#t}, allows users to follow a file in the
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log view.")
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(enable-http-clone?
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(boolean #t)
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"If set to @samp{#t}, cgit will act as an dumb HTTP endpoint for Git
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clones.")
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(enable-index-links?
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(boolean #f)
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"Flag which, when set to @samp{#t}, will make cgit generate extra links
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\"summary\", \"commit\", \"tree\" for each repo in the repository index.")
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(enable-index-owner?
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(boolean #t)
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"Flag which, when set to @samp{#t}, will make cgit display the owner of
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each repo in the repository index.")
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(enable-log-filecount?
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(boolean #f)
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"Flag which, when set to @samp{#t}, will make cgit print the number of
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modified files for each commit on the repository log page.")
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(enable-log-linecount?
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(boolean #f)
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"Flag which, when set to @samp{#t}, will make cgit print the number of
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added and removed lines for each commit on the repository log page.")
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(enable-remote-branches?
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(boolean #f)
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"Flag which, when set to @code{#t}, will make cgit display remote
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branches in the summary and refs views.")
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(enable-subject-links?
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(boolean #f)
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"Flag which, when set to @code{1}, will make cgit use the subject of
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the parent commit as link text when generating links to parent commits
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in commit view.")
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(enable-html-serving?
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(boolean #f)
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"Flag which, when set to @samp{#t}, will make cgit use the subject of the
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parent commit as link text when generating links to parent commits in
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commit view.")
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(enable-tree-linenumbers?
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(boolean #t)
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"Flag which, when set to @samp{#t}, will make cgit generate linenumber
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links for plaintext blobs printed in the tree view.")
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(enable-git-config?
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(boolean #f)
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"Flag which, when set to @samp{#f}, will allow cgit to use Git config to
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set any repo specific settings.")
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(favicon
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(file-object "/favicon.ico")
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"URL used as link to a shortcut icon for cgit.")
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(footer
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(string "")
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"The content of the file specified with this option will be included
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verbatim at the bottom of all pages (i.e. it replaces the standard
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\"generated by...\" message).")
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(head-include
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(string "")
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"The content of the file specified with this option will be included
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verbatim in the HTML HEAD section on all pages.")
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(header
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(string "")
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"The content of the file specified with this option will be included
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verbatim at the top of all pages.")
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(include
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(file-object "")
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"Name of a configfile to include before the rest of the current config-
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file is parsed.")
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(index-header
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(string "")
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"The content of the file specified with this option will be included
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verbatim above the repository index.")
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(index-info
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(string "")
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"The content of the file specified with this option will be included
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verbatim below the heading on the repository index page.")
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(local-time?
|
||
(boolean #f)
|
||
"Flag which, if set to @samp{#t}, makes cgit print commit and tag times
|
||
in the servers timezone.")
|
||
(logo
|
||
(file-object "/share/cgit/cgit.png")
|
||
"URL which specifies the source of an image which will be used as a logo
|
||
on all cgit pages.")
|
||
(logo-link
|
||
(string "")
|
||
"URL loaded when clicking on the cgit logo image.")
|
||
(owner-filter
|
||
(file-object "")
|
||
"Command which will be invoked to format the Owner column of the main
|
||
page.")
|
||
(max-atom-items
|
||
(integer 10)
|
||
"Number of items to display in atom feeds view.")
|
||
(max-commit-count
|
||
(integer 50)
|
||
"Number of entries to list per page in \"log\" view.")
|
||
(max-message-length
|
||
(integer 80)
|
||
"Number of commit message characters to display in \"log\" view.")
|
||
(max-repo-count
|
||
(integer 50)
|
||
"Specifies the number of entries to list per page on the repository index
|
||
page.")
|
||
(max-repodesc-length
|
||
(integer 80)
|
||
"Specifies the maximum number of repo description characters to display
|
||
on the repository index page.")
|
||
(max-blob-size
|
||
(integer 0)
|
||
"Specifies the maximum size of a blob to display HTML for in KBytes.")
|
||
(max-stats
|
||
(string "")
|
||
"Maximum statistics period. Valid values are @samp{week},@samp{month},
|
||
@samp{quarter} and @samp{year}.")
|
||
(mimetype
|
||
(mimetype-alist '((gif "image/gif")
|
||
(html "text/html")
|
||
(jpg "image/jpeg")
|
||
(jpeg "image/jpeg")
|
||
(pdf "application/pdf")
|
||
(png "image/png")
|
||
(svg "image/svg+xml")))
|
||
"Mimetype for the specified filename extension.")
|
||
(mimetype-file
|
||
(file-object "")
|
||
"Specifies the file to use for automatic mimetype lookup.")
|
||
(module-link
|
||
(string "")
|
||
"Text which will be used as the formatstring for a hyperlink when a
|
||
submodule is printed in a directory listing.")
|
||
(nocache?
|
||
(boolean #f)
|
||
"If set to the value @samp{#t} caching will be disabled.")
|
||
(noplainemail?
|
||
(boolean #f)
|
||
"If set to @samp{#t} showing full author email addresses will be
|
||
disabled.")
|
||
(noheader?
|
||
(boolean #f)
|
||
"Flag which, when set to @samp{#t}, will make cgit omit the standard
|
||
header on all pages.")
|
||
(project-list
|
||
(project-list '())
|
||
"A list of subdirectories inside of @code{repository-directory}, relative
|
||
to it, that should loaded as Git repositories. An empty list means that all
|
||
subdirectories will be loaded.")
|
||
(readme
|
||
(file-object "")
|
||
"Text which will be used as default value for @code{cgit-repo-readme}.")
|
||
(remove-suffix?
|
||
(boolean #f)
|
||
"If set to @code{#t} and @code{repository-directory} is enabled, if any
|
||
repositories are found with a suffix of @code{.git}, this suffix will be
|
||
removed for the URL and name.")
|
||
(renamelimit
|
||
(integer -1)
|
||
"Maximum number of files to consider when detecting renames.")
|
||
(repository-sort
|
||
(string "")
|
||
"The way in which repositories in each section are sorted.")
|
||
(robots
|
||
(robots-list (list "noindex" "nofollow"))
|
||
"Text used as content for the @code{robots} meta-tag.")
|
||
(root-desc
|
||
(string "a fast webinterface for the git dscm")
|
||
"Text printed below the heading on the repository index page.")
|
||
(root-readme
|
||
(string "")
|
||
"The content of the file specified with this option will be included
|
||
verbatim below the \"about\" link on the repository index page.")
|
||
(root-title
|
||
(string "")
|
||
"Text printed as heading on the repository index page.")
|
||
(scan-hidden-path
|
||
(boolean #f)
|
||
"If set to @samp{#t} and repository-directory is enabled,
|
||
repository-directory will recurse into directories whose name starts with a
|
||
period. Otherwise, repository-directory will stay away from such directories,
|
||
considered as \"hidden\". Note that this does not apply to the \".git\"
|
||
directory in non-bare repos.")
|
||
(snapshots
|
||
(list '())
|
||
"Text which specifies the default set of snapshot formats that cgit
|
||
generates links for.")
|
||
(repository-directory
|
||
(repository-directory "/srv/git")
|
||
"Name of the directory to scan for repositories (represents
|
||
@code{scan-path}).")
|
||
(section
|
||
(string "")
|
||
"The name of the current repository section - all repositories defined
|
||
after this option will inherit the current section name.")
|
||
(section-sort
|
||
(string "")
|
||
"Flag which, when set to @samp{1}, will sort the sections on the repository
|
||
listing by name.")
|
||
(section-from-path
|
||
(integer 0)
|
||
"A number which, if defined prior to repository-directory, specifies how
|
||
many path elements from each repo path to use as a default section name.")
|
||
(side-by-side-diffs?
|
||
(boolean #f)
|
||
"If set to @samp{#t} shows side-by-side diffs instead of unidiffs per
|
||
default.")
|
||
(source-filter
|
||
(file-object "")
|
||
"Specifies a command which will be invoked to format plaintext blobs in the
|
||
tree view.")
|
||
(summary-branches
|
||
(integer 10)
|
||
"Specifies the number of branches to display in the repository \"summary\"
|
||
view.")
|
||
(summary-log
|
||
(integer 10)
|
||
"Specifies the number of log entries to display in the repository
|
||
\"summary\" view.")
|
||
(summary-tags
|
||
(integer 10)
|
||
"Specifies the number of tags to display in the repository \"summary\"
|
||
view.")
|
||
(strict-export
|
||
(string "")
|
||
"Filename which, if specified, needs to be present within the repository
|
||
for cgit to allow access to that repository.")
|
||
(virtual-root
|
||
(string "/")
|
||
"URL which, if specified, will be used as root for all cgit links.")
|
||
(repositories
|
||
(repository-cgit-configuration-list '())
|
||
"A list of @dfn{cgit-repo} records to use with config.")
|
||
(extra-options
|
||
(list '())
|
||
"Extra options will be appended to cgitrc file."))
|
||
|
||
;; This distinguishes fields whose order matters, and makes sure further
|
||
;; changes won't inadvertently change the order.
|
||
(define (serialize-cgit-configuration config)
|
||
(define (rest? field)
|
||
(not (memq (configuration-field-name field)
|
||
'(project-list
|
||
extra-options
|
||
repository-directory
|
||
repositories))))
|
||
#~(string-append
|
||
#$(let ((rest (filter rest? cgit-configuration-fields)))
|
||
(serialize-configuration config rest))
|
||
#$(serialize-project-list
|
||
'project-list
|
||
(cgit-configuration-project-list config))
|
||
#$(serialize-extra-options
|
||
(cgit-configuration-extra-options config))
|
||
#$(serialize-repository-directory
|
||
'repository-directory
|
||
(cgit-configuration-repository-directory config))
|
||
#$(serialize-repository-cgit-configuration-list
|
||
'repositories
|
||
(cgit-configuration-repositories config))))
|
||
|
||
(define-configuration opaque-cgit-configuration
|
||
(cgit
|
||
(package cgit)
|
||
"The cgit package.")
|
||
(cgitrc
|
||
(string (configuration-missing-field 'opaque-cgit-configuration 'cgitrc))
|
||
"The contents of the @code{cgitrc} to use.")
|
||
(cache-root
|
||
(string "/var/cache/cgit")
|
||
"Path used to store the cgit cache entries.")
|
||
(nginx
|
||
(nginx-server-configuration-list (list %cgit-configuration-nginx))
|
||
"NGINX configuration."))
|
||
|
||
(define (cgit-activation config)
|
||
"Return the activation gexp for CONFIG."
|
||
(let* ((opaque-config? (opaque-cgit-configuration? config))
|
||
(config-str
|
||
(if opaque-config?
|
||
(opaque-cgit-configuration-cgitrc config)
|
||
(serialize-cgit-configuration config))))
|
||
#~(begin
|
||
(use-modules (guix build utils))
|
||
(mkdir-p #$(if opaque-config?
|
||
(opaque-cgit-configuration-cache-root config)
|
||
(cgit-configuration-cache-root config)))
|
||
(copy-file #$(mixed-text-file "cgitrc" config-str)
|
||
"/etc/cgitrc"))))
|
||
|
||
(define (cgit-configuration-nginx-config config)
|
||
(if (opaque-cgit-configuration? config)
|
||
(opaque-cgit-configuration-nginx config)
|
||
(cgit-configuration-nginx config)))
|
||
|
||
(define cgit-service-type
|
||
(service-type
|
||
(name 'cgit)
|
||
(extensions
|
||
(list (service-extension activation-service-type
|
||
cgit-activation)
|
||
(service-extension nginx-service-type
|
||
cgit-configuration-nginx-config)
|
||
|
||
;; Make sure fcgiwrap is instantiated.
|
||
(service-extension fcgiwrap-service-type
|
||
(const #t))))
|
||
(default-value (cgit-configuration))
|
||
(description
|
||
"Run the cgit web interface, which allows users to browse Git
|
||
repositories.")))
|
||
|
||
(define (generate-cgit-documentation)
|
||
(generate-documentation
|
||
`((cgit-configuration
|
||
,cgit-configuration-fields
|
||
(repositories repository-cgit-configuration))
|
||
(repository-cgit-configuration
|
||
,repository-cgit-configuration-fields))
|
||
'cgit-configuration))
|