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+;;; "batch.scm" Group and execute commands on various systems.
+;Copyright (C) 1994, 1995 Aubrey Jaffer
+;
+;Permission to copy this software, to redistribute it, and to use it
+;for any purpose is granted, subject to the following restrictions and
+;understandings.
+;
+;1. Any copy made of this software must include this copyright notice
+;in full.
+;
+;2. I have made no warrantee or representation that the operation of
+;this software will be error-free, and I am under no obligation to
+;provide any services, by way of maintenance, update, or otherwise.
+;
+;3. In conjunction with products arising from the use of this
+;material, there shall be no use of my name in any advertising,
+;promotional, or sales literature without prior written consent in
+;each case.
+
+(require 'line-i/o) ;Just for write-line
+(require 'parameters)
+(require 'database-utilities)
+
+;;(define (batch parms op . args) ??)
+
+(define (batch:port parms)
+ (car (parameter-list-ref parms 'batch-port)))
+
+(define (batch:dialect parms) ; was batch-family
+ (car (parameter-list-ref parms 'batch-dialect)))
+
+(define (batch:line-length-limit parms)
+ (let ((bl (parameter-list-ref parms 'batch-line-length-limit)))
+ (cond (bl (car bl))
+ (else (case (batch:dialect parms)
+ ((unix) 1023)
+ ((dos) 127)
+ ((vms) 1023)
+ ((system) 1023)
+ ((*unknown*) -1))))))
+
+(define (batch-line parms str)
+ (let ((bp (parameter-list-ref parms 'batch-port))
+ (ln (batch:line-length-limit parms)))
+ (cond ((not bp) (slib:error 'batch-line "missing batch-port parameter"
+ parms))
+ ((>= (string-length str) ln) #f)
+ (else (write-line str (car bp)) #t))))
+
+;;; add a Scheme batch-dialect?
+
+(define (batch:apply-chop-to-fit proc . args)
+ (define args-but-last (butlast args 1))
+ (let loop ((fodder (car (last-pair args))))
+ (let ((hlen (quotient (length fodder) 2)))
+ (cond ((apply proc (append args-but-last (list fodder))))
+ ((not (positive? hlen))
+ (slib:error 'batch:apply-chop-to-fit "can't split"
+ (cons proc (append args-but-last (list fodder)))))
+ (else (loop (nthcdr (+ 1 hlen) fodder))
+ (loop (butlast fodder hlen)))))))
+
+(define (batch:system parms . strings)
+ (or (apply batch:try-system parms strings)
+ (slib:error 'batch:system 'failed strings)))
+
+(define (batch:try-system parms . strings)
+ (define port (batch:port parms))
+ (set! strings (batch:flatten strings))
+ (case (batch:dialect parms)
+ ((unix) (batch-line parms (apply string-join " " strings)))
+ ((dos) (batch-line parms (apply string-join " " strings)))
+ ((vms) (batch-line parms (apply string-join " " "$" strings)))
+ ((system) (write `(system ,(apply string-join " " strings)) port)
+ (newline port)
+ (zero? (system (apply string-join " " strings))))
+ ((*unknown*) (write `(system ,(apply string-join " " strings)) port)
+ (newline port)
+ #f)))
+
+(define (batch:run-script parms . strings)
+ (case (batch:dialect parms strings)
+ ((unix) (batch:system parms strings name))
+ ((dos) (batch:system parms strings name))
+ ((vms) (batch:system parms (cons #\@ strings)))
+ ((system) (batch:system parms strings name))
+ ((*unknown*) (batch:system parms strings name)
+ #f)))
+
+(define (batch:comment parms . lines)
+ (define port (batch:port parms))
+ (set! lines (batch:flatten lines))
+ (case (batch:dialect parms)
+ ((unix) (every (lambda (line)
+ (batch-line parms (string-append "# " line)))
+ lines))
+ ((dos) (every (lambda (line)
+ (batch-line parms
+ (string-append
+ "rem" (if (equal? " " line) ".") line)))
+ lines))
+ ((vms) (every (lambda (line)
+ (batch-line parms (string-append "$! " line)))
+ lines))
+ ((system) (every (lambda (line)
+ (batch-line parms (string-append "; " line)))
+ lines))
+ ((*unknown*) (for-each (lambda (line)
+ (batch-line parms (string-append ";;; " line))
+ (newline port))
+ lines)
+ #f)))
+
+(define (batch:lines->file parms file . lines)
+ (define port (batch:port parms))
+ (set! lines (batch:flatten lines))
+ (case (or (batch:dialect parms) '*unknown*)
+ ((unix) (batch-line parms (string-append "rm -f " file))
+ (every
+ (lambda (string)
+ (batch-line parms (string-append "echo '" string "'>>" file)))
+ lines))
+ ((dos) (batch-line parms (string-append "DEL " file))
+ (every
+ (lambda (string)
+ (batch-line parms
+ (string-append "ECHO" (if (equal? "" string) "." " ")
+ string ">>" file)))
+ lines))
+ ((vms) (and (batch-line parms (string-append "$DELETE " file))
+ (batch-line parms (string-append "$CREATE " file))
+ (batch-line parms (string-append "$DECK"))
+ (every (lambda (string) (batch-line parms string))
+ lines)
+ (batch-line parms (string-append "$EOD"))))
+ ((system) (write `(delete-file ,file) port) (newline port)
+ (delete-file file)
+ (pretty-print `(call-with-output-file ,file
+ (lambda (fp)
+ (for-each
+ (lambda (string) (write-line string fp))
+ ',lines)))
+ port)
+ (call-with-output-file file
+ (lambda (fp) (for-each (lambda (string) (write-line string fp))
+ lines)))
+ #t)
+ ((*unknown*)
+ (write `(delete-file ,file) port) (newline port)
+ (pretty-print
+ `(call-with-output-file ,file
+ (lambda (fp)
+ (for-each
+ (lambda (string)
+ (write-line string fp))
+ ,lines)))
+ port)
+ #f)))
+
+(define (batch:delete-file parms file)
+ (define port (batch:port parms))
+ (case (batch:dialect parms)
+ ((unix) (batch-line parms (string-append "rm -f " file))
+ #t)
+ ((dos) (batch-line parms (string-append "DEL " file))
+ #t)
+ ((vms) (batch-line parms (string-append "$DELETE " file))
+ #t)
+ ((system) (write `(delete-file ,file) port) (newline port)
+ (delete-file file)) ; SLIB provides
+ ((*unknown*) (write `(delete-file ,file) port) (newline port)
+ #f)))
+
+(define (batch:rename-file parms old-name new-name)
+ (define port (batch:port parms))
+ (case (batch:dialect parms)
+ ((unix) (batch-line parms (string-join " " "mv -f" old-name new-name)))
+ ((dos) (batch-line parms (string-join " " "MOVE" "/Y" old-name new-name)))
+ ((vms) (batch-line parms (string-join " " "$RENAME" old-name new-name)))
+ ((system) (batch:extender 'rename-file batch:rename-file))
+ ((*unknown*) (write `(rename-file ,old-name ,new-name) port)
+ (newline port)
+ #f)))
+
+(define (batch:call-with-output-script parms name proc)
+ (case (batch:dialect parms)
+ ((unix) ((cond ((string? name)
+ (lambda (proc)
+ (let ((ans (call-with-output-file name proc)))
+ (system (string-append "chmod +x " name))
+ ans)))
+ ((output-port? name) (lambda (proc) (proc name)))
+ (else (lambda (proc) (proc (current-output-port)))))
+ (lambda (port)
+ (write-line "#!/bin/sh" port)
+ (cond
+ ((and (string? name) (provided? 'bignum))
+ (require 'posix-time)
+ (write-line
+ (string-append
+ "# \"" name "\" build script created "
+ (ctime (current-time)))
+ port)))
+ (proc port))))
+
+ ((dos) ((cond ((string? name)
+ (lambda (proc)
+ (call-with-output-file (string-append name ".bat") proc)))
+ ((output-port? name) (lambda (proc) (proc name)))
+ (else (lambda (proc) (proc (current-output-port)))))
+ (lambda (port)
+ (cond
+ ((and (string? name) (provided? 'bignum))
+ (require 'posix-time)
+ (write-line
+ (string-append
+ "rem " name
+ " build script created "
+ (ctime (current-time)))
+ port)))
+ (proc port))))
+
+ ((vms) ((cond ((string? name)
+ (lambda (proc)
+ (call-with-output-file (string-append name ".COM") proc)))
+ ((output-port? name) (lambda (proc) (proc name)))
+ (else (lambda (proc) (proc (current-output-port)))))
+ (lambda (port)
+ (cond
+ ((and (string? name) (provided? 'bignum))
+ (require 'posix-time)
+ ;;(write-line
+ ;; "$DEFINE/USER SYS$OUTPUT BUILD.LOG" port)
+ (write-line
+ (string-append
+ "$! " name
+ " build script created "
+ (ctime (current-time)))
+ port)))
+ (proc port))))
+
+ ((system) ((cond ((string? name)
+ (lambda (proc)
+ (let ((ans (call-with-output-file name
+ (lambda (port) (proc name)))))
+ (system (string-append "chmod +x " name))
+ ans)))
+ ((output-port? name) (lambda (proc) (proc name)))
+ (else (lambda (proc) (proc (current-output-port)))))
+ (lambda (port)
+ (cond
+ ((and (string? name) (provided? 'bignum))
+ (require 'posix-time)
+ (write-line
+ (string-append
+ ";;; \"" name
+ "\" build script created " (ctime (current-time)))
+ port)))
+ (proc port))))
+
+ ((*unknown*) ((cond ((string? name)
+ (lambda (proc)
+ (let ((ans (call-with-output-file name
+ (lambda (port) (proc name)))))
+ (system (string-append "chmod +x " name))
+ ans)))
+ ((output-port? name) (lambda (proc) (proc name)))
+ (else (lambda (proc) (proc (current-output-port)))))
+ (lambda (port)
+ (cond
+ ((and (string? name) (provided? 'bignum))
+ (require 'posix-time)
+ (write-line
+ (string-append
+ ";;; \"" name
+ "\" build script created " (ctime (current-time)))
+ port)))
+ (proc port)))
+ #f)))
+
+;;; This little ditty figures out how to use a Scheme extension or
+;;; SYSTEM to execute a command that is not available in the batch
+;;; mode chosen.
+
+(define (batch:extender NAME BATCHER)
+ (lambda (parms . args)
+ (define port (batch:port parms))
+ (cond
+ ((provided? 'i/o-extensions) ; SCM specific
+ (write `(,NAME ,@args) port)
+ (newline port)
+ (apply (slib:eval NAME) args))
+ (else
+ (let ((pl (make-parameter-list (map car parms))))
+ (adjoin-parameters!
+ pl (cons 'batch-dialect (os->batch-dialect
+ (parameter-list-ref parms 'platform))))
+ (system
+ (call-with-output-string
+ (lambda (port)
+ (batch:call-with-output-script
+ port
+ (lambda (batch-port)
+ (define new-parms (copy-tree pl))
+ (adjoin-parameters! new-parms (list 'batch-port batch-port))
+ (apply BATCHER new-parms args)))))))))))
+
+(define (replace-suffix str old new)
+ (define (cs str)
+ (let* ((len (string-length str))
+ (re (- len (string-length old))))
+ (cond ((string-ci=? old (substring str re len))
+ (string-append (substring str 0 re) new))
+ (else
+ (slib:error 'replace-suffix "suffix doens't match:"
+ old str)))))
+ (if (string? str) (cs str) (map cs str)))
+
+(define (must-be-first firsts lst)
+ (append (remove-if-not (lambda (i) (member i lst)) firsts)
+ (remove-if (lambda (i) (member i firsts)) lst)))
+
+(define (must-be-last lst lasts)
+ (append (remove-if (lambda (i) (member i lasts)) lst)
+ (remove-if-not (lambda (i) (member i lst)) lasts)))
+
+(define (string-join joiner . args)
+ (if (null? args) ""
+ (apply string-append
+ (car args)
+ (map (lambda (s) (string-append joiner s)) (cdr args)))))
+
+(define (batch:flatten strings)
+ (apply
+ append (map
+ (lambda (obj)
+ (cond ((eq? "" obj) '())
+ ((string? obj) (list obj))
+ ((eq? #f obj) '())
+ ((null? obj) '())
+ ((list? obj) (batch:flatten obj))
+ (else (slib:error 'batch:flatten "unexpected type"
+ obj "in" strings))))
+ strings)))
+
+(define batch:platform (software-type))
+(cond ((and (eq? 'unix batch:platform) (provided? 'system))
+ (let ((file-name (tmpnam)))
+ (system (string-append "uname > " file-name))
+ (set! batch:platform (call-with-input-file file-name read))
+ (delete-file file-name))))
+
+(define batch:database #f)
+(define (os->batch-dialect os)
+ ((((batch:database 'open-table) 'operating-system #f)
+ 'get 'os-family) os))
+
+(define (batch:initialize! database)
+ (set! batch:database database)
+ (define-tables database
+
+ '(batch-dialect
+ ((family atom))
+ ()
+ ((unix)
+ (dos)
+ (vms)
+ (system)
+ (*unknown*)))
+
+ '(operating-system
+ ((name symbol))
+ ((os-family batch-dialect))
+ (;;(3b1 *unknown*)
+ (acorn *unknown*)
+ (aix unix)
+ (alliant *unknown*)
+ (amiga *unknown*)
+ (apollo unix)
+ (apple2 *unknown*)
+ (arm *unknown*)
+ (atari.st *unknown*)
+ (cdc *unknown*)
+ (celerity *unknown*)
+ (concurrent *unknown*)
+ (convex *unknown*)
+ (encore *unknown*)
+ (harris *unknown*)
+ (hp-ux unix)
+ (hp48 *unknown*)
+ (isis *unknown*)
+ (linux unix)
+ (mac *unknown*)
+ (masscomp unix)
+ (ms-dos dos)
+ (mips *unknown*)
+ (ncr *unknown*)
+ (newton *unknown*)
+ (next unix)
+ (novell *unknown*)
+ (os/2 dos)
+ (prime *unknown*)
+ (psion *unknown*)
+ (pyramid *unknown*)
+ (sequent *unknown*)
+ (sgi *unknown*)
+ (stratus *unknown*)
+ (sun-os unix)
+ (transputer *unknown*)
+ (unicos unix)
+ (unix unix)
+ (vms vms)
+ (*unknown* *unknown*)
+ )))
+
+ ((database 'add-domain) '(operating-system operating-system #f symbol #f))
+ )
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