gnu-maintenance: Generalize 'latest-ftp-release'.
* guix/gnu-maintenance.scm (latest-release): Rename to... (latest-ftp-release): ... this. Add #:server and #:directory parameters. (latest-release): New procedure.
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Ludovic Courtès
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1 changed files with 68 additions and 55 deletions
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@ -317,10 +317,14 @@ pairs. Example: (\"mit-scheme-9.0.1\" . \"/gnu/mit-scheme/stable.pkg/9.0.1\").
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files)
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result))))))))
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(define* (latest-release project
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#:key (ftp-open ftp-open) (ftp-close ftp-close))
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"Return (\"FOO-X.Y\" . \"/bar/foo\") or #f. Use FTP-OPEN and FTP-CLOSE to
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open (resp. close) FTP connections; this can be useful to reuse connections."
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(define* (latest-ftp-release project
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#:key
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(server "ftp.gnu.org")
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(directory (string-append "/gnu/" project))
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(ftp-open ftp-open) (ftp-close ftp-close))
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"Return an <upstream-source> for the latest release of PROJECT on SERVER
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under DIRECTORY, or #f. Use FTP-OPEN and FTP-CLOSE to open (resp. close) FTP
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connections; this can be useful to reuse connections."
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(define (latest a b)
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(if (version>? a b) a b))
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@ -335,63 +339,72 @@ open (resp. close) FTP connections; this can be useful to reuse connections."
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;; Return #t for patch directory names such as 'bash-4.2-patches'.
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(cut string-suffix? "patches" <>))
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(let-values (((server directory) (ftp-server/directory project)))
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(define conn (ftp-open server))
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(define conn (ftp-open server))
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(define (file->url directory file)
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(string-append "ftp://" server directory "/" file))
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(define (file->url directory file)
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(string-append "ftp://" server directory "/" file))
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(define (file->source directory file)
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(let ((url (file->url directory file)))
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(upstream-source
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(package project)
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(version (tarball->version file))
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(urls (list url))
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(signature-urls (list (string-append url ".sig"))))))
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(define (file->source directory file)
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(let ((url (file->url directory file)))
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(upstream-source
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(package project)
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(version (tarball->version file))
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(urls (list url))
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(signature-urls (list (string-append url ".sig"))))))
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(let loop ((directory directory)
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(result #f))
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(let* ((entries (ftp-list conn directory))
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(let loop ((directory directory)
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(result #f))
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(let* ((entries (ftp-list conn directory))
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;; Filter out sub-directories that do not contain digits---e.g.,
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;; /gnuzilla/lang and /gnupg/patches. Filter out "w32"
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;; directories as found on ftp.gnutls.org.
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(subdirs (filter-map (match-lambda
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(((? patch-directory-name? dir)
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'directory . _)
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#f)
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(("w32" 'directory . _)
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#f)
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(((? contains-digit? dir) 'directory . _)
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dir)
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(_ #f))
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entries))
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;; Filter out sub-directories that do not contain digits---e.g.,
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;; /gnuzilla/lang and /gnupg/patches. Filter out "w32"
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;; directories as found on ftp.gnutls.org.
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(subdirs (filter-map (match-lambda
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(((? patch-directory-name? dir)
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'directory . _)
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#f)
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(("w32" 'directory . _)
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#f)
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(((? contains-digit? dir) 'directory . _)
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dir)
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(_ #f))
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entries))
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;; Whether or not SUBDIRS is empty, compute the latest releases
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;; for the current directory. This is necessary for packages
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;; such as 'sharutils' that have a sub-directory that contains
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;; only an older release.
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(releases (filter-map (match-lambda
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((file 'file . _)
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(and (release-file? project file)
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(file->source directory file)))
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(_ #f))
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entries)))
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;; Whether or not SUBDIRS is empty, compute the latest releases
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;; for the current directory. This is necessary for packages
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;; such as 'sharutils' that have a sub-directory that contains
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;; only an older release.
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(releases (filter-map (match-lambda
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((file 'file . _)
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(and (release-file? project file)
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(file->source directory file)))
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(_ #f))
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entries)))
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;; Assume that SUBDIRS correspond to versions, and jump into the
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;; one with the highest version number.
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(let* ((release (reduce latest-release #f
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(coalesce-sources releases)))
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(result (if (and result release)
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(latest-release release result)
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(or release result)))
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(target (reduce latest #f subdirs)))
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(if target
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(loop (string-append directory "/" target)
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result)
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(begin
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(ftp-close conn)
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result)))))))
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;; Assume that SUBDIRS correspond to versions, and jump into the
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;; one with the highest version number.
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(let* ((release (reduce latest-release #f
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(coalesce-sources releases)))
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(result (if (and result release)
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(latest-release release result)
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(or release result)))
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(target (reduce latest #f subdirs)))
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(if target
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(loop (string-append directory "/" target)
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result)
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(begin
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(ftp-close conn)
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result))))))
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(define (latest-release package . rest)
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"Return the <upstream-source> for the latest version of PACKAGE or #f.
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PACKAGE is the name of a GNU package. This procedure automatically uses the
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right FTP server and directory for PACKAGE."
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(let-values (((server directory) (ftp-server/directory package)))
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(apply latest-ftp-release package
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#:server server
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#:directory directory
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rest)))
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(define (latest-release* package)
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"Like 'latest-release', but ignore FTP errors that might occur when PACKAGE
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