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Comment:Added experimental support for #{...}
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SHA1: e6bdd79d6f7c43e9f12cfb9e705a8c3e07d18c23
User & Date: mrwellan on 2012-03-27 18:03:03
Other Links: manifest | tags
Context
2012-03-28
15:46
Changed the #{ ... } mechanism to be highly specific and improved options check-in: 50de060113 user: mrwellan tags: trunk
2012-03-27
18:03
Added experimental support for #{...} check-in: e6bdd79d6f user: mrwellan tags: trunk
2012-03-26
21:05
Added ability to override max load in nbfind, default is 50% of avail. cpus check-in: a684b5f022 user: matt tags: trunk
Changes

Added .fossil-settings/ignore-glob version [9a10308043].



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utils/build/*

Modified configf.scm from [9adef42084] to [e647f94ff3].

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(define configf:section-rx (regexp "^\\[(.*)\\]\\s*$"))
(define configf:blank-l-rx (regexp "^\\s*$"))
(define configf:key-sys-pr (regexp "^(\\S+)\\s+\\[system\\s+(\\S+.*)\\]\\s*$"))
(define configf:key-val-pr (regexp "^(\\S+)\\s+(.*)$"))
(define configf:comment-rx (regexp "^\\s*#.*"))
(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$"))






































;; read a config file, returns hash table of alists
;; adds to ht if given (must be #f otherwise)
;; envion-patt is a regex spec that identifies sections that will be eval'd
;; in the environment on the fly

(define (read-config path ht allow-system #!key (environ-patt #f))
  (debug:print 4 "INFO: read-config " path " allow-system " allow-system " environ-patt " environ-patt)
  (if (not (file-exists? path))
      (if (not ht)(make-hash-table) ht)
      (let ((inp        (open-input-file path))
	    (res        (if (not ht)(make-hash-table) ht)))
	(let loop ((inl               (read-line inp))
		   (curr-section-name "default")
		   (var-flag #f);; turn on for key-var-pr and cont-ln-rx, turn off elsewhere
		   (lead     #f))
	  (if (eof-object? inl) 
	      (begin
		(close-input-port inp)
		res)
	      (regex-case 
	       inl 
	       (configf:comment-rx _                  (loop (read-line inp) curr-section-name #f #f))
	       (configf:blank-l-rx _                  (loop (read-line inp) curr-section-name #f #f))
	       (configf:include-rx ( x include-file ) (begin
						(read-config include-file res allow-system environ-patt: environ-patt)
						(loop (read-line inp) curr-section-name #f #f)))
	       (configf:section-rx ( x section-name ) (loop (read-line inp) section-name #f #f))
	       (configf:key-sys-pr ( x key cmd      ) (if allow-system
							  (let ((alist (hash-table-ref/default res curr-section-name '()))
								(val-proc (lambda ()
									    (let* ((cmdres  (cmd-run->list cmd))
										   (status  (cadr cmdres))
										   (res     (car  cmdres)))
									      (if (not (eq? status 0))
										  (begin
										    (debug:print 0 "ERROR: problem with " inl ", return code " status)
										    (exit 1)))
									      (if (null? res)
										  ""
										  (string-intersperse res " "))))))
							    (hash-table-set! res curr-section-name 
									     (config:assoc-safe-add alist
												    key 
												    (case allow-system
												      ((return-procs) val-proc)
												      ((return-string) cmd)
												      (else (val-proc)))))
							    (loop (read-line inp) curr-section-name #f #f))
							  (loop (read-line inp) curr-section-name #f #f)))
	       (configf:key-val-pr ( x key val      ) (let* ((alist   (hash-table-ref/default res curr-section-name '()))
						     (envar   (and environ-patt (string-match (regexp environ-patt) curr-section-name)))
						     (realval (if envar
								 (config:eval-string-in-environment val)
								 val)))
						(if envar
						    (begin
						      (debug:print 4 "INFO: read-config key=" key ", val=" val ", realval=" realval)
						      (setenv key realval)))
						(hash-table-set! res curr-section-name 
								 (config:assoc-safe-add alist key realval))
						(loop (read-line inp) curr-section-name key #f)))
	       ;; if a continued line
	       (configf:cont-ln-rx ( x whsp val     ) (let ((alist (hash-table-ref/default res curr-section-name '())))
						(if var-flag             ;; if set to a string then we have a continued var
						    (let ((newval (conc 
								   (config-lookup res curr-section-name var-flag) "\n"
								   ;; trim lead from the incoming whsp to support some indenting.
								   (if lead
								       (string-substitute (regexp lead) "" whsp)
								       "")
								   val)))
						      ;; (print "val: " val "\nnewval: \"" newval "\"\nvarflag: " var-flag)
						      (hash-table-set! res curr-section-name 
								       (config:assoc-safe-add alist var-flag newval))
						      (loop (read-line inp) curr-section-name var-flag (if lead lead whsp)))
						    (loop (read-line inp) curr-section-name #f #f))))
	       (else (debug:print 0 "ERROR: problem parsing " path ",\n   \"" inl "\"")
		     (set! var-flag #f)
		     (loop (read-line inp) curr-section-name #f #f))))))))
  
(define (find-and-read-config fname #!key (environ-patt #f))
  (let* ((curr-dir   (current-directory))
         (configinfo (find-config fname))
	 (toppath    (car configinfo))
	 (configfile (cadr configinfo)))
    (if toppath (change-directory toppath)) 







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(define configf:section-rx (regexp "^\\[(.*)\\]\\s*$"))
(define configf:blank-l-rx (regexp "^\\s*$"))
(define configf:key-sys-pr (regexp "^(\\S+)\\s+\\[system\\s+(\\S+.*)\\]\\s*$"))
(define configf:key-val-pr (regexp "^(\\S+)\\s+(.*)$"))
(define configf:comment-rx (regexp "^\\s*#.*"))
(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$"))

;; read a line and process any #{ ... } constructs

(define configf:var-expand-regex (regexp "^(.*)#\\{([^\\}\\{]*)\\}(.*)"))
(define (configf:process-line l)
  (let loop ((res l))
    (if (string? res)
	(let ((matchdat (string-search configf:var-expand-regex res)))
	  (if matchdat
	      (let ((prestr  (cadr matchdat))
		    (cmd     (caddr matchdat))
		    (poststr (cadddr matchdat))
		    (result  #f))
		(with-input-from-string (conc "(" cmd ")")
		  (lambda ()
		    (set! result (eval (read)))))
		(loop (conc prestr result poststr)))
	      res))
	res)))

(define (shell cmd)
  (let* ((output (cmd-run->list cmd))
	 (res    (car output))
	 (status (cadr output)))
    (if (equal? status 0)
	(string-intersperse 
	 res
	 "\n")
	(begin
	  (with-output-to-port (current-error-port)
	    (print "ERROR: " cmd " returned bad exit code " status))
	  ""))))

(define-inline (configf:read-line p)
  (configf:process-line (read-line p)))

;; read a config file, returns hash table of alists

;; read a config file, returns hash table of alists
;; adds to ht if given (must be #f otherwise)
;; envion-patt is a regex spec that identifies sections that will be eval'd
;; in the environment on the fly

(define (read-config path ht allow-system #!key (environ-patt #f))
  (debug:print 4 "INFO: read-config " path " allow-system " allow-system " environ-patt " environ-patt)
  (if (not (file-exists? path))
      (if (not ht)(make-hash-table) ht)
      (let ((inp        (open-input-file path))
	    (res        (if (not ht)(make-hash-table) ht)))
	(let loop ((inl               (configf:read-line inp)) ;; (read-line inp))
		   (curr-section-name "default")
		   (var-flag #f);; turn on for key-var-pr and cont-ln-rx, turn off elsewhere
		   (lead     #f))
	  (if (eof-object? inl) 
	      (begin
		(close-input-port inp)
		res)
	      (regex-case 
	       inl 
	       (configf:comment-rx _                  (loop (configf:read-line inp) curr-section-name #f #f))
	       (configf:blank-l-rx _                  (loop (configf:read-line inp) curr-section-name #f #f))
	       (configf:include-rx ( x include-file ) (begin
						(read-config include-file res allow-system environ-patt: environ-patt)
						(loop (configf:read-line inp) curr-section-name #f #f)))
	       (configf:section-rx ( x section-name ) (loop (configf:read-line inp) section-name #f #f))
	       (configf:key-sys-pr ( x key cmd      ) (if allow-system
							  (let ((alist (hash-table-ref/default res curr-section-name '()))
								(val-proc (lambda ()
									    (let* ((cmdres  (cmd-run->list cmd))
										   (status  (cadr cmdres))
										   (res     (car  cmdres)))
									      (if (not (eq? status 0))
										  (begin
										    (debug:print 0 "ERROR: problem with " inl ", return code " status)
										    (exit 1)))
									      (if (null? res)
										  ""
										  (string-intersperse res " "))))))
							    (hash-table-set! res curr-section-name 
									     (config:assoc-safe-add alist
												    key 
												    (case allow-system
												      ((return-procs) val-proc)
												      ((return-string) cmd)
												      (else (val-proc)))))
							    (loop (configf:read-line inp) curr-section-name #f #f))
							  (loop (configf:read-line inp) curr-section-name #f #f)))
	       (configf:key-val-pr ( x key val      ) (let* ((alist   (hash-table-ref/default res curr-section-name '()))
						     (envar   (and environ-patt (string-match (regexp environ-patt) curr-section-name)))
						     (realval (if envar
								 (config:eval-string-in-environment val)
								 val)))
						(if envar
						    (begin
						      (debug:print 4 "INFO: read-config key=" key ", val=" val ", realval=" realval)
						      (setenv key realval)))
						(hash-table-set! res curr-section-name 
								 (config:assoc-safe-add alist key realval))
						(loop (configf:read-line inp) curr-section-name key #f)))
	       ;; if a continued line
	       (configf:cont-ln-rx ( x whsp val     ) (let ((alist (hash-table-ref/default res curr-section-name '())))
						(if var-flag             ;; if set to a string then we have a continued var
						    (let ((newval (conc 
								   (config-lookup res curr-section-name var-flag) "\n"
								   ;; trim lead from the incoming whsp to support some indenting.
								   (if lead
								       (string-substitute (regexp lead) "" whsp)
								       "")
								   val)))
						      ;; (print "val: " val "\nnewval: \"" newval "\"\nvarflag: " var-flag)
						      (hash-table-set! res curr-section-name 
								       (config:assoc-safe-add alist var-flag newval))
						      (loop (configf:read-line inp) curr-section-name var-flag (if lead lead whsp)))
						    (loop (configf:read-line inp) curr-section-name #f #f))))
	       (else (debug:print 0 "ERROR: problem parsing " path ",\n   \"" inl "\"")
		     (set! var-flag #f)
		     (loop (configf:read-line inp) curr-section-name #f #f))))))))
  
(define (find-and-read-config fname #!key (environ-patt #f))
  (let* ((curr-dir   (current-directory))
         (configinfo (find-config fname))
	 (toppath    (car configinfo))
	 (configfile (cadr configinfo)))
    (if toppath (change-directory toppath)) 

Modified tests/megatest.config from [58f01c3e22] to [ca77d7087d].

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# These are set before all tests, override them 
# in the testconfig [pre-launch-env-overrides] section
[env-override]
SPECIAL_ENV_VARS overide them here - should be seen at launch and in the runs
TESTVAR [system realpath .]
DEADVAR [system ls]
VARWITHDOLLAR $HOME/.zshrc


# XTERM   [system xterm]
# RUNDEAD [system exit 56]

## disks are:
## name host:/path/to/area
## -or-
## name /path/to/area
[disks]
1 /tmp/mt_runs







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# These are set before all tests, override them 
# in the testconfig [pre-launch-env-overrides] section
[env-override]
SPECIAL_ENV_VARS overide them here - should be seen at launch and in the runs
TESTVAR [system realpath .]
DEADVAR [system ls]
VARWITHDOLLAR $HOME/.zshrc
WACKYVAR #{system "ls"}

# XTERM   [system xterm]
# RUNDEAD [system exit 56]

## disks are:
## name host:/path/to/area
## -or-
## name /path/to/area
[disks]
1 /tmp/mt_runs