- added with-output-to-load-script(*) and write-to-load-script
functions, which provide support for creating the package-loading script, - added a code template to load libtool's ".la" files, stolen from scsh-yp (by Eric Knauel), - added "--verbose" option, - preserve permissions of copied files/directories, and use a function to obtain permissions for new directories.
This commit is contained in:
michel-schinz
parent
a4bde841c8
commit
6687435871
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@ -1,10 +1,12 @@
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;;; Installation library for scsh modules.
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;;; $Id: install-lib-module.scm,v 1.4 2003/12/21 20:55:40 michel-schinz Exp $
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;;; $Id: install-lib-module.scm,v 1.5 2004/02/01 17:22:43 michel-schinz Exp $
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;;; Interfaces
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(define-interface install-interface
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(export version->string
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(export tmpl-libtool-la-reader
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version->string
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string->version
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version-compare
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version<?
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@ -25,6 +27,9 @@
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get-directory
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get-option-value
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with-output-to-load-script*
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(with-output-to-load-script :syntax)
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write-to-load-script
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install-main))
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@ -38,5 +43,6 @@
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srfi-9
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srfi-13
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srfi-37
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configure)
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configure
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pp)
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(files install-lib))
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@ -1,18 +1,56 @@
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;;; Installation library for scsh modules.
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;;; $Id: install-lib.scm,v 1.5 2003/12/22 14:13:13 frese Exp $
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;;; $Id: install-lib.scm,v 1.6 2004/02/01 17:22:43 michel-schinz Exp $
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;; TODO
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;; - add support for communication between configure and pkg-def.scm
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;; - add support for image creation,
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;; - add support to maintain a documentation index,
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;; - add "--verbose" to show whats being done.
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;; - add "--log" option to specify a log file.
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;; - decide what to do when target files already exist
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;; - maybe add a "--force" option to overwrite existing files
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;;
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;; Support code templates
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;;
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;; These templates are meant to be inserted in package-loading
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;; scripts.
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;; Template to parse libtool's ".la" files.
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(define tmpl-libtool-la-reader
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'((define (normalize-la-entry key val)
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(let ((left-quotes-rx (rx (: bos #\')))
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(right-quotes-rx (rx (: #\' eos)))
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(kill-matches
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(lambda (rx str)
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(regexp-substitute/global #f rx str 'pre 'post))))
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(cons (string->symbol key)
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(kill-matches left-quotes-rx
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(kill-matches right-quotes-rx val)))))
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(define add-la-entry
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(let ((splitter (infix-splitter (rx #\=)))
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(comment-rx (rx (: bos #\#))))
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(lambda (line alist)
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(cond
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((and (not (regexp-search? comment-rx line))
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(string-index line #\=))
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(let ((lst (splitter line)))
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(if (= 2 (length lst))
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(cons (apply normalize-la-entry lst) alist)
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(error "Could not read la entry" line list))))
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(else alist)))))
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(define (read-libtool-la file-name)
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(call-with-input-file
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file-name
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(lambda (port)
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(let lp ((line (read-line port)) (alist '()))
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(if (eof-object? line)
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alist
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(lp (read-line port) (add-la-entry line alist)))))))))
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;;
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;; Utilities
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;;
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(define default-perms #o755)
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(define default-perms-fn
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(lambda (name) #o755))
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;; Return the name of the parent directory of FNAME.
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(define (parent-directory fname)
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@ -20,12 +58,13 @@
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;; Create directory FNAME and all its parents, as needed.
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(define (create-directory&parents fname . rest)
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(let-optionals rest ((perms default-perms))
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(let-optionals rest ((perms-fn default-perms-fn))
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(let ((parent (parent-directory fname)))
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(if (not (file-exists? parent))
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(apply create-directory&parents parent rest))
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(if (not (file-exists? fname))
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(-create-directory fname perms)))))
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(-create-directory fname
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(perms-fn (absolute-file-name fname)))))))
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;; Return the length of the longest prefix common to lists L1 and L2,
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;; by comparing elements using PRED (defaults to EQUAL?).
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@ -54,17 +93,16 @@
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(path-list->file-name (append new-root-pl (cdr fname-pl)))
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(error "no root to replace in relative file name" fname))))
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;; Copy file/symlink SOURCE to TARGET and set the permisions of TARGET
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;; to PERMS. TARGET must be the name of a non-existing file (i.e. it
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;; cannot be the name of a directory).
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(define (copy-file source target perms)
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;; Copy file/symlink SOURCE to TARGET. TARGET must be the name of a
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;; non-existing file (i.e. it cannot be the name of a directory).
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(define (copy-file source target)
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(if (file-exists? target)
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(error "copy-file: target file exists" target))
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(if (file-symlink? source)
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(create-symlink (read-symlink source) target)
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(begin
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(run (cp ,source ,target))
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(set-file-mode target perms))))
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(set-file-mode target (file-mode source)))))
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;; Like "load" but without printing anything.
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(define load-quietly
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@ -91,49 +129,47 @@
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((not (null? rest)) (first rest))
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(else (error "internal error: cannot find key in alist" key alist))))
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;; Convert all arguments to strings using DISPLAY and concatenate the
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;; result in a single string which is returned.
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(define (as-string . args)
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(call-with-string-output-port
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(lambda (port) (for-each (lambda (arg) (display arg port)) args))))
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;; Return a string of max(M,N) white spaces.
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(define (spaces m n) (make-string (max m n) #\space))
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;;
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;; Support for dry runs.
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;; Support for dry runs / verbose operation.
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;;
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(define (wrap-for-dry-run real-fn dry-fn)
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(define (wrap real-fn info-fn)
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(lambda args
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(apply (if (get-option-value 'dry-run) dry-fn real-fn) args)))
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(define (dry-run-print msg . args)
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(apply format #t msg args) (newline))
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(if (or (get-option-value 'verbose) (get-option-value 'dry-run))
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(begin (display (apply info-fn args)) (newline)))
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(if (not (get-option-value 'dry-run))
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(apply real-fn args))))
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(define -create-directory
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(wrap-for-dry-run
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create-directory
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(lambda (fname . rest)
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(let-optionals rest ((perms default-perms))
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(dry-run-print "creating directory ~a with permissions ~a"
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fname
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(permissions->string perms))))))
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(wrap create-directory
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(lambda (fname . rest)
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(let-optionals rest ((perms #o777))
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(as-string "creating directory " fname
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" (perms: " (permissions->string perms) ")")))))
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(define -create-symlink
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(wrap-for-dry-run
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create-symlink
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(lambda (old-name new-name)
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(dry-run-print "creating symbolic link ~a pointing to ~a"
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new-name
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old-name))))
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(wrap create-symlink
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(lambda (old-name new-name)
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(as-string "creating symbolic link " new-name
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" pointing to " old-name))))
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(define -copy-file
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(wrap-for-dry-run
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copy-file
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(lambda (source target perms)
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(dry-run-print "copying file ~a to ~a with permissions ~a"
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source
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target
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(permissions->string perms)))))
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(wrap copy-file
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(lambda (source target)
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(as-string "copying file " source " to " target))))
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(define -delete-file
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(wrap-for-dry-run delete-file
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(lambda (fname) (dry-run-print "deleting file ~a" fname))))
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(wrap delete-file
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(lambda (fname) (as-string "deleting file " fname))))
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;;
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;; Versions
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@ -368,6 +404,31 @@
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(else '())))
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packages))
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;;
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;; Load script handling
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;;
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;; Evaluate THUNK with CURRENT-OUTPUT-PORT opened on the current
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;; package's loading script (in the install directory). During a dry
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;; run, or when only non-shared data has to be installed, do nothing.
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(define (with-output-to-load-script* thunk)
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(let ((dir (get-directory 'base #t)))
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(create-directory&parents dir)
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(if (not (or (get-option-value 'dry-run) (get-option 'non-shared-only)))
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(with-output-to-file (absolute-file-name "load.scm" dir)
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thunk))))
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;; Sugar for with-output-to-load-script*.
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(define-syntax with-output-to-load-script
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(syntax-rules ()
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((with-output-to-load-script body ...)
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(with-output-to-load-script* (lambda () body ...)))))
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;; Pretty-print all the elements of s-exps, one after the other, to
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;; the current package's loading script (in the install directory).
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(define (write-to-load-script s-exps)
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(with-output-to-load-script (for-each p s-exps)))
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;;
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;; Actions
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;;
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(file-name-directory lnk-name))
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lnk-name)))
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(define (install-thing% layout name-or-pair location target-rel-dir perms)
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(define (install-thing% layout name-or-pair location target-rel-dir perms-fn)
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(let* ((target-dir (absolute-file-name target-rel-dir
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(layout-dir layout location)))
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(source (if (pair? name-or-pair) (car name-or-pair) name-or-pair))
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@ -391,33 +452,37 @@
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(cdr name-or-pair)
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name-or-pair)))
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(target (absolute-file-name target-name target-dir)))
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(create-directory&parents target-dir perms)
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(create-directory&parents target-dir perms-fn)
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(cond ((or (file-regular? source) (file-symlink? source))
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(-copy-file source target perms))
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(-copy-file source target))
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((file-directory? source)
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(-create-directory target perms)
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(-create-directory target (file-mode source))
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(install-directory-contents% layout
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source
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location
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(absolute-file-name target-name
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target-rel-dir)
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perms))
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perms-fn))
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(else (error "cannot install file-system object" source)))))
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(define (install-directory-contents% layout name location target-rel-dir perms)
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(define (install-directory-contents% layout
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name
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location
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target-rel-dir
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perms-fn)
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(for-each (lambda (thing)
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(install-thing% layout thing location target-rel-dir perms))
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(install-thing% layout thing location target-rel-dir perms-fn))
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(map (lambda (f) (absolute-file-name f name))
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(directory-files name #t))))
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(define (install-thing name-or-pair location . rest)
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(if (active-location? location)
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(let-optionals rest ((target-rel-dir ".") (perms default-perms))
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(let-optionals rest ((target-rel-dir ".") (perms-fn default-perms-fn))
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(install-thing% (fluid *install-layout*)
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name-or-pair
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location
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target-rel-dir
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perms))))
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perms-fn))))
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(define (install-things names-or-pairs . rest)
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(for-each (lambda (name-or-pair)
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@ -431,23 +496,12 @@
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(define (install-directory-contents name location . rest)
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(if (active-location? location)
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(let-optionals rest ((target-rel-dir ".") (perms default-perms))
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(let-optionals rest ((target-rel-dir ".") (perms-fn default-perms-fn))
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(install-directory-contents% (fluid *install-layout*)
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name
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location
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target-rel-dir
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perms))))
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(define (install-empty-directory% layout name location dir . rest)
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(let-optionals rest ((perms default-perms))
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(-create-directory (absolute-file-name dir (layout-dir layout location))
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perms)))
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(define (install-empty-directory&parents% layout name location dir . rest)
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(let-optionals rest ((perms default-perms))
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(create-directory&parents
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(absolute-file-name dir (layout-dir layout location))
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perms)))
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perms-fn))))
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(define *layout* (make-fluid #f))
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(define *install-layout* (make-fluid #f))
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@ -488,6 +542,7 @@ options:
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--layout <layout> specify layout of installation directory
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(predefined: ~a)
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--dry-run don't do anything, print what would have been done
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--verbose print messages about what is being done
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--inactive don't activate package after installing it
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--non-shared-only only install platform-dependent files, if any
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@ -588,7 +643,8 @@ END
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(option '("non-shared-only") #f #f
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(alist-boolean-updater 'non-shared-only))
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(option '("inactive") #f #f (alist-boolean-updater 'inactive))
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(option '("dry-run") #f #f (alist-boolean-updater 'dry-run)))))
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(option '("dry-run") #f #f (alist-boolean-updater 'dry-run))
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(option '("verbose") #f #f (alist-boolean-updater 'verbose)))))
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(define options-defaults
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`((prefix . #f)
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@ -598,7 +654,8 @@ END
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(build . ,(host))
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(non-shared-only . #f)
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(inactive . #f)
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(dry-run . #f)))
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(dry-run . #f)
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(verbose . #f)))
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(define (parse-options args options defaults)
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(args-fold args
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@ -1,3 +1,3 @@
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#!/bin/sh
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exec scsh -lm configure.scm -lm install-lib-module.scm -o configure -o install -e install-main -s "$0" "$@"
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exec scsh -lm configure.scm -lm install-lib-module.scm -o pp -o configure -o install -e install-main -s "$0" "$@"
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!#
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