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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu services cgit)
+ #:use-module (gnu packages admin)
+ #:use-module (gnu packages version-control)
+ #:use-module (gnu services base)
+ #:use-module (gnu services configuration)
+ #:use-module (gnu services shepherd)
+ #:use-module (gnu services web)
+ #:use-module (gnu services)
+ #:use-module (gnu system shadow)
+ #:use-module (guix gexp)
+ #:use-module (guix packages)
+ #:use-module (guix records)
+ #:use-module (guix store)
+ #:use-module (ice-9 match)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26)
+ #:export (repository-cgit-configuration
+ cgit-configuration
+ %cgit-configuration-nginx
+ cgit-configuration-nginx-config
+ opaque-cgit-configuration
+ cgit-service-type))
+
+;;; Commentary:
+;;;
+;;; This module provides a service definition for the Cgit a web frontend for
+;;; Git repositories written in C.
+;;;
+;;; Note: fields of <cgit-configuration> and <repository-cgit-configuration>
+;;; should be specified in the specific order.
+;;;
+;;; Code:
+
+(define %cgit-configuration-nginx
+ (nginx-server-configuration
+ (root cgit)
+ (locations
+ (list
+ (nginx-location-configuration
+ (uri "@cgit")
+ (body '("fastcgi_param SCRIPT_FILENAME $document_root/lib/cgit/cgit.cgi;"
+ "fastcgi_param PATH_INFO $uri;"
+ "fastcgi_param QUERY_STRING $args;"
+ "fastcgi_param HTTP_HOST $server_name;"
+ "fastcgi_pass 127.0.0.1:9000;")))))
+ (try-files (list "$uri" "@cgit"))
+ (listen '("80"))
+ (ssl-certificate #f)
+ (ssl-certificate-key #f)))
+
+
+;;;
+;;; Serialize <cgit-configuration>
+;;;
+
+(define (uglify-field-name field-name)
+ (let ((str (symbol->string field-name)))
+ (string-join (string-split (string-delete #\? str) #\-) "-")))
+
+(define (serialize-field field-name val)
+ (format #t "~a=~a\n" (uglify-field-name field-name) val))
+
+(define (serialize-string field-name val)
+ (if (string=? val "") "" (serialize-field field-name val)))
+
+(define (serialize-boolean field-name val)
+ (serialize-field field-name (if val 1 0)))
+
+(define (serialize-list field-name val)
+ (if (null? val) "" (serialize-field field-name (string-join val))))
+
+(define robots-list? list?)
+
+(define (serialize-robots-list field-name val)
+ (if (null? val) "" (serialize-field field-name (string-join val ", "))))
+
+(define (integer? val)
+ (exact-integer? val))
+
+(define (serialize-integer field-name val)
+ (serialize-field field-name val))
+
+(define (serialize-repository-cgit-configuration x)
+ (serialize-configuration x repository-cgit-configuration-fields))
+
+(define (repository-cgit-configuration-list? val)
+ (list? val))
+
+(define (serialize-repository-cgit-configuration-list field-name val)
+ (for-each serialize-repository-cgit-configuration val))
+
+
+;;;
+;;; Serialize <nginx-server-configuration>
+;;;
+
+(define (nginx-server-configuration-list? val)
+ (and (list? val) (and-map nginx-server-configuration? val)))
+
+(define (serialize-nginx-server-configuration-list field-name val)
+ #f)
+
+
+;;;
+;;; Serialize <repository-cgit-configuration>
+;;;
+
+(define (serialize-repo-field field-name val)
+ (format #t "repo.~a=~a\n" (uglify-field-name field-name) val))
+
+(define (serialize-repo-list field-name val)
+ (if (null? val) "" (serialize-repo-field field-name (string-join val))))
+
+(define repo-boolean? boolean?)
+
+(define (serialize-repo-boolean field-name val)
+ (serialize-repo-field field-name (if val 1 0)))
+
+(define (serialize-repo-integer field-name val)
+ (serialize-repo-field field-name val))
+
+(define repo-list? list?)
+
+(define repo-string? string?)
+
+(define (serialize-repo-string field-name val)
+ (if (string=? val "") "" (serialize-repo-field field-name val)))
+
+(define module-link-path? list?)
+
+(define (serialize-module-link-path field-name val)
+ (if (null? val) ""
+ (match val
+ ((path text)
+ (format #t "repo.~a.~a=~a\n"
+ (string-drop-right (uglify-field-name 'module-link-path)
+ (string-length "-path"))
+ path text)))))
+
+(define repository-directory? string?)
+
+(define (serialize-repository-directory _ val)
+ (if (string=? val "") "" (format #t "scan-path=~a\n" val)))
+
+(define mimetype-alist? list?)
+
+(define (serialize-mimetype-alist field-name val)
+ (format #t "# Mimetypes\n~a"
+ (string-join
+ (map (match-lambda
+ ((extension mimetype)
+ (format #f "mimetype.~a=~a"
+ (symbol->string extension) mimetype)))
+ val) "\n")))
+
+(define-configuration repository-cgit-configuration
+ (snapshots
+ (repo-list '())
+ "A mask of snapshot formats for this repo that cgit generates links for,
+restricted by the global @code{snapshots} setting.")
+ (source-filter
+ (repo-string "")
+ "Override the default @code{source-filter}.")
+ (url
+ (repo-string "")
+ "The relative URL used to access the repository.")
+ (about-filter
+ (repo-string "")
+ "Override the default @code{about-filter}.")
+ (branch-sort
+ (repo-string "")
+ "Flag which, when set to @samp{age}, enables date ordering in the branch
+ref list, and when set to @samp{name} enables ordering by branch name.")
+ (clone-url
+ (repo-list '())
+ "A list of URLs which can be used to clone repo.")
+ (commit-filter
+ (repo-string "")
+ "Override the default @code{commit-filter}.")
+ (commit-sort
+ (repo-string "")
+ "Flag which, when set to @samp{date}, enables strict date ordering in the
+commit log, and when set to @samp{topo} enables strict topological ordering.")
+ (defbranch
+ (repo-string "")
+ "The name of the default branch for this repository. If no such branch
+exists in the repository, the first branch name (when sorted) is used as
+default instead. By default branch pointed to by HEAD, or \"master\" if there
+is no suitable HEAD.")
+ (desc
+ (repo-string "")
+ "The value to show as repository description.")
+ (homepage
+ (repo-string "")
+ "The value to show as repository homepage.")
+ (email-filter
+ (repo-string "")
+ "Override the default @code{email-filter}.")
+ (enable-commit-graph?
+ (repo-boolean #f)
+ "A flag which can be used to disable the global setting
+@code{enable-commit-graph?}.")
+ (enable-log-filecount?
+ (repo-boolean #f)
+ "A flag which can be used to disable the global setting
+@code{enable-log-filecount?}.")
+ (enable-log-linecount?
+ (repo-boolean #f)
+ "A flag which can be used to disable the global setting
+@code{enable-log-linecount?}.")
+ (enable-remote-branches?
+ (repo-boolean #f)
+ "Flag which, when set to @code{#t}, will make cgit display remote
+branches in the summary and refs views.")
+ (enable-subject-links?
+ (repo-boolean #f)
+ "A flag which can be used to override the global setting
+@code{enable-subject-links?}.")
+ (enable-html-serving?
+ (repo-boolean #f)
+ "A flag which can be used to override the global setting
+@code{enable-html-serving?}.")
+ (hide?
+ (repo-boolean #f)
+ "Flag which, when set to @code{#t}, hides the repository from the
+repository index.")
+ (ignore?
+ (repo-boolean #f)
+ "Flag which, when set to @samp{#t}, ignores the repository.")
+ (logo
+ (repo-string "")
+ "URL which specifies the source of an image which will be used as a
+logo on this repo’s pages.")
+ (logo-link
+ (repo-string "")
+ "URL loaded when clicking on the cgit logo image.")
+ (owner-filter
+ (repo-string "")
+ "Override the default @code{owner-filter}.")
+ (module-link
+ (repo-string "")
+ "Text which will be used as the formatstring for a hyperlink when a
+submodule is printed in a directory listing. The arguments for the
+formatstring are the path and SHA1 of the submodule commit.")
+ (module-link-path
+ (module-link-path '())
+ "Text which will be used as the formatstring for a hyperlink when a
+submodule with the specified subdirectory path is printed in a directory
+listing.")
+ (max-stats
+ (repo-string "")
+ "Override the default maximum statistics period.")
+ (name
+ (repo-string "")
+ "The value to show as repository name.")
+ (owner
+ (repo-string "")
+ "A value used to identify the owner of the repository.")
+ (path
+ (repo-string "")
+ "An absolute path to the repository directory.")
+ (readme
+ (repo-string "")
+ "A path (relative to repo) which specifies a file to include verbatim
+as the \"About\" page for this repo.")
+ (section
+ (repo-string "")
+ "The name of the current repository section - all repositories defined
+after this option will inherit the current section name.")
+ (extra-options
+ (repo-list '())
+ "Extra options will be appended to cgitrc file."))
+
+;; Generate a <cgit-configuration> record, which may include a list of
+;; <repository-cgit-configuration>, <nginx-server-configuration>, <package>.
+(define-configuration cgit-configuration
+ (package
+ (package cgit)
+ "The CGIT package.")
+ (nginx
+ (nginx-server-configuration-list (list %cgit-configuration-nginx))
+ "NGINX configuration.")
+ (about-filter
+ (string "")
+ "Specifies a command which will be invoked to format the content of about
+pages (both top-level and for each repository).")
+ (agefile
+ (string "")
+ "Specifies a path, relative to each repository path, which can be used to
+specify the date and time of the youngest commit in the repository.")
+ (auth-filter
+ (string "")
+ "Specifies a command that will be invoked for authenticating repository
+access.")
+ (branch-sort
+ (string "name")
+ "Flag which, when set to @samp{age}, enables date ordering in the branch
+ref list, and when set @samp{name} enables ordering by branch name.")
+ (cache-root
+ (string "/var/cache/cgit")
+ "Path used to store the cgit cache entries.")
+ (cache-static-ttl
+ (integer -1)
+ "Number which specifies the time-to-live, in minutes, for the cached
+version of repository pages accessed with a fixed SHA1.")
+ (cache-dynamic-ttl
+ (integer 5)
+ "Number which specifies the time-to-live, in minutes, for the cached
+version of repository pages accessed without a fixed SHA1.")
+ (cache-repo-ttl
+ (integer 5)
+ "Number which specifies the time-to-live, in minutes, for the cached
+version of the repository summary page.")
+ (cache-root-ttl
+ (integer 5)
+ "Number which specifies the time-to-live, in minutes, for the cached
+version of the repository index page.")
+ (cache-scanrc-ttl
+ (integer 15)
+ "Number which specifies the time-to-live, in minutes, for the result of
+scanning a path for Git repositories.")
+ (cache-about-ttl
+ (integer 15)
+ "Number which specifies the time-to-live, in minutes, for the cached
+version of the repository about page.")
+ (cache-snapshot-ttl
+ (integer 5)
+ "Number which specifies the time-to-live, in minutes, for the cached
+version of snapshots.")
+ (cache-size
+ (integer 0)
+ "The maximum number of entries in the cgit cache. When set to
+@samp{0}, caching is disabled.")
+ (case-sensitive-sort?
+ (boolean #t)
+ "Sort items in the repo list case sensitively.")
+ (clone-prefix
+ (list '())
+ "List of common prefixes which, when combined with a repository URL,
+generates valid clone URLs for the repository.")
+ (clone-url
+ (list '())
+ "List of @code{clone-url} templates.")
+ (commit-filter
+ (string "")
+ "Command which will be invoked to format commit messages.")
+ (commit-sort
+ (string "git log")
+ "Flag which, when set to @samp{date}, enables strict date ordering in the
+commit log, and when set to @samp{topo} enables strict topological
+ordering.")
+ (css
+ (string "/share/cgit/cgit.css")
+ "URL which specifies the css document to include in all cgit pages.")
+ (email-filter
+ (string "")
+ "Specifies a command which will be invoked to format names and email
+address of committers, authors, and taggers, as represented in various
+places throughout the cgit interface.")
+ (embedded?
+ (boolean #f)
+ "Flag which, when set to @samp{#t}, will make cgit generate a HTML
+fragment suitable for embedding in other HTML pages.")
+ (enable-commit-graph?
+ (boolean #f)
+ "Flag which, when set to @samp{#t}, will make cgit print an ASCII-art
+commit history graph to the left of the commit messages in the
+repository log page.")
+ (enable-filter-overrides?
+ (boolean #f)
+ "Flag which, when set to @samp{#t}, allows all filter settings to be
+overridden in repository-specific cgitrc files.")
+ (enable-follow-links?
+ (boolean #f)
+ "Flag which, when set to @samp{#t}, allows users to follow a file in the
+log view.")
+ (enable-http-clone?
+ (boolean #t)
+ "If set to @samp{#t}, cgit will act as an dumb HTTP endpoint for Git
+clones.")
+ (enable-index-links?
+ (boolean #f)
+ "Flag which, when set to @samp{#t}, will make cgit generate extra links
+\"summary\", \"commit\", \"tree\" for each repo in the repository index.")
+ (enable-index-owner?
+ (boolean #t)
+ "Flag which, when set to @samp{#t}, will make cgit display the owner of
+each repo in the repository index.")
+ (enable-log-filecount?
+ (boolean #f)
+ "Flag which, when set to @samp{#t}, will make cgit print the number of
+modified files for each commit on the repository log page.")
+ (enable-log-linecount?
+ (boolean #f)
+ "Flag which, when set to @samp{#t}, will make cgit print the number of
+added and removed lines for each commit on the repository log page.")
+ (enable-remote-branches?
+ (boolean #f)
+ "Flag which, when set to @code{#t}, will make cgit display remote
+branches in the summary and refs views.")
+ (enable-subject-links?
+ (boolean #f)
+ "Flag which, when set to @code{1}, will make cgit use the subject of
+the parent commit as link text when generating links to parent commits
+in commit view.")
+ (enable-html-serving?
+ (boolean #f)
+ "Flag which, when set to @samp{#t}, will make cgit use the subject of the
+parent commit as link text when generating links to parent commits in
+commit view.")
+ (enable-tree-linenumbers?
+ (boolean #t)
+ "Flag which, when set to @samp{#t}, will make cgit generate linenumber
+links for plaintext blobs printed in the tree view.")
+ (enable-git-config?
+ (boolean #f)
+ "Flag which, when set to @samp{#f}, will allow cgit to use Git config to
+set any repo specific settings.")
+ (favicon
+ (string "/favicon.ico")
+ "URL used as link to a shortcut icon for cgit.")
+ (footer
+ (string "")
+ "The content of the file specified with this option will be included
+verbatim at the bottom of all pages (i.e. it replaces the standard
+\"generated by...\" message).")
+ (head-include
+ (string "")
+ "The content of the file specified with this option will be included
+verbatim in the HTML HEAD section on all pages.")
+ (header
+ (string "")
+ "The content of the file specified with this option will be included
+verbatim at the top of all pages.")
+ (include
+ (string "")
+ "Name of a configfile to include before the rest of the current config-
+file is parsed.")
+ (index-header
+ (string "")
+ "The content of the file specified with this option will be included
+verbatim above the repository index.")
+ (index-info
+ (string "")
+ "The content of the file specified with this option will be included
+verbatim below the heading on the repository index page.")
+ (local-time?
+ (boolean #f)
+ "Flag which, if set to @samp{#t}, makes cgit print commit and tag times
+in the servers timezone.")
+ (logo
+ (string "/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
+ (string "")
+ "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
+ (string "")
+ "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.")
+ ;; TODO: cgit expects a file name
+ ;; that should be created from a list of strings provided by the user.
+ ;;
+ ;; (project-list
+ ;; (string "")
+ ;; "A list of subdirectories inside of @code{repository-directory},
+ ;; relative to it, that should loaded as Git repositories.")
+ (readme
+ (string "")
+ "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 thef \"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
+ (string "")
+ "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."))
+
+(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)
+ (with-output-to-string
+ (lambda ()
+ (serialize-configuration config
+ cgit-configuration-fields))))))
+ #~(begin
+ (use-modules (guix build utils))
+ (mkdir-p #$(if opaque-config?
+ (opaque-cgit-configuration-cache-root config)
+ (cgit-configuration-cache-root config)))
+ (copy-file #$(plain-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))
generated by cgit v1.2.3 (git 2.45.0) at 2024-11-16 11:15:12 +0000