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#!/usr/bin/env clisp
;;;; -*- Mode: lisp; indent-tabs-mode: nil -*-
(defpackage :release-script (:use #:cl #:regexp))
(in-package :release-script)
;;;; Configuration ------------------------------------------------------------
(defparameter *project-name* "cffi")
(defparameter *asdf-file* (format nil "~A.asd" *project-name*))
(defparameter *host* "common-lisp.net")
(defparameter *release-dir*
(format nil "/project/~A/public_html/releases" *project-name*))
(defparameter *version-file* "VERSION")
(defparameter *version-file-dir*
(format nil "/project/~A/public_html" *project-name*))
;;;; --------------------------------------------------------------------------
;;;; Utilities
(defun ensure-list (x)
(if (listp x) x (list x)))
(defmacro string-case (expression &body clauses)
`(let ((it ,expression)) ; yes, anaphoric, deal with it.
(cond
,@(loop for clause in clauses collect
`((or ,@(loop for alternative in (ensure-list (first clause))
collect (or (eq t alternative)
`(string= it ,alternative))))
,@(rest clause))))))
(defparameter *development-mode* nil)
(defun die (format-control &rest format-args)
(format *error-output* "~?" format-control format-args)
(if *development-mode*
(cerror "continue" "die")
(ext:quit 1)))
(defun numeric-split (string)
(if (digit-char-p (char string 0))
(multiple-value-bind (number next-position)
(parse-integer string :junk-allowed t)
(cons number (when (< next-position (length string))
(numeric-split (subseq string next-position)))))
(let ((next-digit-position (position-if #'digit-char-p string)))
(if next-digit-position
(cons (subseq string 0 next-digit-position)
(numeric-split (subseq string next-digit-position)))
(list string)))))
(defun natural-string-< (s1 s2)
(labels ((aux< (l1 l2)
(cond ((null l1) (not (null l2)))
((null l2) nil)
(t (destructuring-bind (x . xs) l1
(destructuring-bind (y . ys) l2
(cond ((and (numberp x) (stringp y))
t)
((and (numberp y) (stringp x))
nil)
((and (numberp x) (numberp y))
(or (< x y) (and (= x y) (aux< xs ys))))
(t
(or (string-lessp x y)
(and (string-equal x y)
(aux< xs ys)))))))))))
(aux< (numeric-split s1)
(numeric-split s2))))
;;;; Running commands
(defparameter *dry-run* nil)
(defun cmd? (format-control &rest format-args)
(let ((cmd (format nil "~?" format-control format-args)))
(with-open-stream (s1 (ext:run-shell-command cmd :output :stream))
(loop for line = (read-line s1 nil nil)
while line
collect line))))
;; XXX: quote arguments.
(defun cmd (format-control &rest format-args)
(when *development-mode*
(format *debug-io* "CMD: ~?~%" format-control format-args))
(let ((ret (ext:run-shell-command (format nil "~?" format-control format-args))))
(or (null ret)
(zerop ret))))
(defun cmd! (format-control &rest format-args)
(or (apply #'cmd format-control format-args)
(die "cmd '~?' failed." format-control format-args)))
(defun maybe-cmd! (format-control &rest format-args)
(if *dry-run*
(format t "SUPPRESSING: ~?~%" format-control format-args)
(apply #'cmd! format-control format-args)))
;;;;
(defun find-current-version ()
(subseq (reduce (lambda (x y) (if (natural-string-< x y) y x))
(or (cmd? "git tag -l v\\*")
(die "no version tags found. Please specify initial version.")))
1))
(defun parse-version (string)
(mapcar (lambda (x)
(parse-integer x :junk-allowed t))
(loop repeat 3 ; XXX: parameterize
for el in (regexp-split "\\." (find-current-version))
collect el)))
(defun check-for-unrecorded-changes (&optional force)
(unless (cmd "git diff --exit-code")
(write-line "Unrecorded changes.")
(if force
(write-line "Continuing anyway.")
(die "Aborting.~@
Use -f or --force if you want to make a release anyway."))))
(defun new-version-number-candidates (current-version)
(let ((current-version (parse-version current-version)))
(labels ((alternatives (before after)
(when after
(cons (append before (list (1+ (first after)))
(mapcar (constantly 0) (rest after)))
(alternatives (append before (list (first after)))
(rest after))))))
(loop for alt in (alternatives nil current-version)
collect (reduce (lambda (acc next)
(format nil "~a.~a" acc next))
alt)))))
(defun ask-user-for-version (current-version next-versions)
(format *query-io* "Current version is ~A. Which will be the next one?~%"
current-version)
(loop for i from 1 and version in next-versions
do (format *query-io* "~T~A) ~A~%" i version))
(format *query-io* "? ")
(finish-output *query-io*)
(nth (1- (parse-integer (read-line) :junk-allowed t))
next-versions))
(defun git-tag-tree (version)
(write-line "Tagging the tree...")
(maybe-cmd! "git tag \"v~A\"" version))
(defun add-version-to-system-file (version path-in path-out)
(let ((defsystem-line (format nil "(defsystem :~A" *project-name*)))
(with-open-file (in path-in :direction :input)
(with-open-file (out path-out :direction :output)
(loop for line = (read-line in nil nil) while line
do (write-line line out)
when (string= defsystem-line line)
do (format out " :version ~s~%" version))))))
(defun create-dist (version distname)
(write-line "Creating distribution...")
(cmd! "mkdir \"~a\"" distname)
(cmd! "git archive master | tar xC \"~A\"" distname)
(format t "Updating ~A with new version: ~A~%" *asdf-file* version)
(let* ((asdf-file-path (format nil "~A/~A" distname *asdf-file*))
(tmp-asdf-file-path (format nil "~a.tmp" asdf-file-path)))
(add-version-to-system-file version asdf-file-path tmp-asdf-file-path)
(cmd! "mv \"~a\" \"~a\"" tmp-asdf-file-path asdf-file-path)))
(defun tar-and-sign (distname tarball)
(write-line "Creating and signing tarball...")
(cmd! "tar czf \"~a\" \"~a\"" tarball distname)
(cmd! "gpg -b -a \"~a\"" tarball))
(defparameter *remote-directory* (format nil "~A:~A" *host* *release-dir*))
(defun upload-tarball (tarball signature remote-directory)
(write-line "Copying tarball to web server...")
(maybe-cmd! "scp \"~A\" \"~A\" \"~A\"" tarball signature remote-directory)
(format t "Uploaded ~A and ~A.~%" tarball signature))
(defun update-remote-links (tarball signature host release-dir project-name)
(format t "Updating ~A_latest links...~%" project-name)
(maybe-cmd! "ssh \"~A\" ln -sf \"~A\" \"~A/~A_latest.tar.gz\""
host tarball release-dir project-name)
(maybe-cmd! "ssh \"~A\" ln -sf \"~A\" \"~A/~A_latest.tar.gz.asc\""
host signature release-dir project-name))
(defun upload-version-file (version version-file host version-file-dir)
(format t "Uploading ~A...~%" version-file)
(with-open-file (out version-file :direction :output)
(write-string version out))
(maybe-cmd! "scp \"~A\" \"~A\":\"~A\"" version-file host version-file-dir)
(maybe-cmd! "rm \"~A\"" version-file))
(defun maybe-clean-things-up (tarball signature)
(when (y-or-n-p "Clean local tarball and signature?")
(cmd! "rm \"~A\" \"~A\"" tarball signature)))
(defun run (force version)
(check-for-unrecorded-changes force)
;; figure out what version we'll be preparing.
(unless version
(let* ((current-version (find-current-version))
(next-versions (new-version-number-candidates current-version)))
(setf version (or (ask-user-for-version current-version next-versions)
(die "invalid selection.")))))
(git-tag-tree version)
(let* ((distname (format nil "~A_~A" *project-name* version))
(tarball (format nil "~A.tar.gz" distname))
(signature (format nil "~A.asc" tarball)))
;; package things up.
(create-dist version distname)
(tar-and-sign distname tarball)
;; upload.
(upload-tarball tarball signature *remote-directory*)
(update-remote-links tarball signature *host* *release-dir* *project-name*)
(when *version-file*
(upload-version-file version *version-file* *host* *version-file-dir*))
;; clean up.
(maybe-clean-things-up tarball signature)
;; documentation.
(write-line "Building and uploading documentation...")
(maybe-cmd! "make -C doc upload-docs")
;; push tags and any outstanding changes.
(write-line "Pushing tags and changes...")
(maybe-cmd! "git push --tags origin master")))
;;;; Do it to it
(let ((force nil)
(version nil)
(args ext:*args*))
(loop while args
do (string-case (pop args)
(("-h" "--help")
(write-line "No help, sorry. Read the source.")
(ext:quit 0))
(("-f" "--force")
(setf force t))
(("-v" "--version")
(setf version (pop args)))
(("-n" "--dry-run")
(setf *dry-run* t))
(t
(die "Unrecognized argument '~a'" it))))
(run force version))