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(hash-table-set! cfgdat section (config:assoc-safe-add sect var value))))
(define (config:eval-string-in-environment str)
(handle-exceptions
exn
(begin
(debug:print 0 "ERROR: problem evaluating \"" str "\" in the shell environment")
(debug:print-error 0 *default-log-port* "problem evaluating \"" str "\" in the shell environment")
#f)
(let ((cmdres (process:cmd-run->list (conc "echo " str))))
(if (null? cmdres) ""
(caar cmdres)))))
;;======================================================================
;; Make the regexp's needed globally available
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((runconfigs-get) (conc "(lambda (ht)(runconfigs-get ht \"" cmd "\"))"))
((rget) (conc "(lambda (ht)(runconfigs-get ht \"" cmd "\"))"))
(else "(lambda (ht)(print \"ERROR\") \"ERROR\")"))))
;; (print "fullcmd=" fullcmd)
(handle-exceptions
exn
(begin
(debug:print 0 "WARNING: failed to process config input \"" l "\"")
(debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 0 *default-log-port* "WARNING: failed to process config input \"" l "\"")
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
;; (print "exn=" (condition->list exn))
(set! result (conc "#{( " cmdtype ") " cmd"}")))
(if (or allow-system
(not (member cmdtype '("system" "shell"))))
(with-input-from-string fullcmd
(lambda ()
(set! result ((eval (read)) ht))))
(set! result (conc "#{(" cmdtype ") " cmd "}"))))
(case cmdsym
((system shell scheme)
(let ((delta (- (current-seconds) start-time)))
(if (> delta 2)
(debug:print-info 0 "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)
(debug:print-info 9 "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)))))
(debug:print-info 0 *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)
(debug:print-info 9 *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)))))
(loop (conc prestr result poststr)))
res))
res)))
;; Run a shell command and return the output as a string
(define (shell cmd)
(let* ((output (process:cmd-run->list cmd))
(res (car output))
(status (cadr output)))
(if (equal? status 0)
(let ((outres (string-intersperse
res
"\n")))
(debug:print-info 4 "shell result:\n" outres)
(debug:print-info 4 *default-log-port* "shell result:\n" outres)
outres)
(begin
(with-output-to-port (current-error-port)
(lambda ()
(print "ERROR: " cmd " returned bad exit code " status)))
""))))
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;; 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
;; sections: #f => get all, else list of sections to gather
;; post-section-procs alist of section-pattern => proc, where: (proc section-name next-section-name ht curr-path)
;;
(define (read-config path ht allow-system #!key (environ-patt #f)(curr-section #f)(sections #f)(settings (make-hash-table))(keep-filenames #f)(post-section-procs '()))
(debug:print-info 5 "read-config " path " allow-system " allow-system " environ-patt " environ-patt " curr-section: " curr-section " sections: " sections " pwd: " (current-directory))
(debug:print 9 "START: " path)
(debug:print-info 5 *default-log-port* "read-config " path " allow-system " allow-system " environ-patt " environ-patt " curr-section: " curr-section " sections: " sections " pwd: " (current-directory))
(debug:print 9 *default-log-port* "START: " path)
(if (not (file-exists? path))
(begin
(debug:print-info 1 "read-config - file not found " path " current path: " (current-directory))
(debug:print-info 1 *default-log-port* "read-config - file not found " path " current path: " (current-directory))
;; WARNING: This is a risky change but really, we should not return an empty hash table if no file read?
#f) ;; (if (not ht)(make-hash-table) ht))
(let ((inp (open-input-file path))
(res (if (not ht)(make-hash-table) ht))
(metapath (if (or (debug:debug-mode 9)
keep-filenames)
path #f)))
(let loop ((inl (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings)) ;; (read-line inp))
(curr-section-name (if curr-section curr-section "default"))
(var-flag #f);; turn on for key-var-pr and cont-ln-rx, turn off elsewhere
(lead #f))
(debug:print-info 8 "curr-section-name: " curr-section-name " var-flag: " var-flag "\n inl: \"" inl "\"")
(debug:print-info 8 *default-log-port* "curr-section-name: " curr-section-name " var-flag: " var-flag "\n inl: \"" inl "\"")
(if (eof-object? inl)
(begin
(close-input-port inp)
(hash-table-delete! res "") ;; we are using "" as a dumping ground and must remove it before returning the ht
(debug:print 9 "END: " path)
(debug:print 9 *default-log-port* "END: " path)
res)
(regex-case
inl
(configf:comment-rx _ (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(configf:blank-l-rx _ (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(configf:settings ( x setting val ) (begin
(hash-table-set! settings setting val)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f)))
(configf:include-rx ( x include-file ) (let* ((curr-conf-dir (pathname-directory path))
(full-conf (if (absolute-pathname? include-file)
include-file
(common:nice-path
(conc (if curr-conf-dir
curr-conf-dir
".")
"/" include-file)))))
(if (file-exists? full-conf)
(begin
;; (push-directory conf-dir)
(debug:print 9 "Including: " full-conf)
(debug:print 9 *default-log-port* "Including: " full-conf)
(read-config full-conf res allow-system environ-patt: environ-patt curr-section: curr-section-name sections: sections settings: settings keep-filenames: keep-filenames)
;; (pop-directory)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(begin
(debug:print '(2 9) "INFO: include file " include-file " not found (called from " path ")")
(debug:print 2 " " full-conf)
(debug:print '(2 9) #f "INFO: include file " include-file " not found (called from " path ")")
(debug:print 2 *default-log-port* " " full-conf)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f)))))
(configf:section-rx ( x section-name ) (begin
;; call post-section-procs
(for-each
(lambda (dat)
(let ((patt (car dat))
(proc (cdr dat)))
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(let ((alist (hash-table-ref/default res curr-section-name '()))
(val-proc (lambda ()
(let* ((start-time (current-seconds))
(cmdres (process:cmd-run->list cmd))
(delta (- (current-seconds) start-time))
(status (cadr cmdres))
(res (car cmdres)))
(debug:print-info 4 "" inl "\n => " (string-intersperse res "\n"))
(debug:print-info 4 *default-log-port* "" inl "\n => " (string-intersperse res "\n"))
(if (not (eq? status 0))
(begin
(debug:print 0 "ERROR: problem with " inl ", return code " status
(debug:print-error 0 *default-log-port* "problem with " inl ", return code " status
" output: " cmdres)))
(if (> delta 2)
(debug:print-info 0 "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res)
(debug:print-info 9 "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res))
(debug:print-info 0 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res)
(debug:print-info 9 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res))
(if (null? res)
""
(string-intersperse res " "))))))
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist
key
(case (calc-allow-system allow-system curr-section-name sections)
((return-procs) val-proc)
((return-string) cmd)
(else (val-proc)))
metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f)))
(configf:key-no-val ( x key val) (let* ((alist (hash-table-ref/default res curr-section-name '()))
(fval (or (if (string? val) val #f) ""))) ;; fval should be either "" or " " (one or more spaces)
(debug:print 10 " setting: [" curr-section-name "] " key " = #t")
(debug:print 10 *default-log-port* " setting: [" curr-section-name "] " key " = #t")
(safe-setenv key fval)
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist key fval metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name key #f)))
(configf:key-val-pr ( x key unk1 val unk2 ) (let* ((alist (hash-table-ref/default res curr-section-name '()))
(envar (and environ-patt (string-search (regexp environ-patt) curr-section-name)))
(realval (if envar
(config:eval-string-in-environment val)
val)))
(debug:print-info 6 "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
(debug:print-info 6 *default-log-port* "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
(if envar (safe-setenv key realval))
(debug:print 10 " setting: [" curr-section-name "] " key " = " val)
(debug:print 10 *default-log-port* " setting: [" curr-section-name "] " key " = " val)
(hash-table-set! res curr-section-name
(config:assoc-safe-add alist key realval metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) 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 metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name var-flag (if lead lead whsp)))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))
(else (debug:print 0 "ERROR: problem parsing " path ",\n \"" inl "\"")
(else (debug:print-error 0 *default-log-port* "problem parsing " path ",\n \"" inl "\"")
(set! var-flag #f)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))))))
;; pathenvvar will set the named var to the path of the config
(define (find-and-read-config fname #!key (environ-patt #f)(given-toppath #f)(pathenvvar #f))
(let* ((curr-dir (current-directory))
(configinfo (find-config fname toppath: given-toppath))
(toppath (car configinfo))
(configfile (cadr configinfo))
(set-fields (lambda (curr-section next-section ht path)
(let ((field-names (if ht (keys:config-get-fields ht) '()))
(target (or (getenv "MT_TARGET")(args:get-arg "-reqtarg")(args:get-arg "-target"))))
(debug:print-info 9 "set-fields with field-names=" field-names " target=" target " curr-section=" curr-section " next-section=" next-section " path=" path " ht=" ht)
(debug:print-info 9 *default-log-port* "set-fields with field-names=" field-names " target=" target " curr-section=" curr-section " next-section=" next-section " path=" path " ht=" ht)
(if (not (null? field-names))(keys:target-set-args field-names target #f))))))
(if toppath (change-directory toppath))
(if (and toppath pathenvvar)(setenv pathenvvar toppath))
(let ((configdat (if configfile
(read-config configfile #f #t environ-patt: environ-patt post-section-procs: (list (cons "^fields$" set-fields)) #f))))
(if toppath (change-directory curr-dir))
(list configdat toppath configfile fname))))
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(set! res (append res (list hed))))
((not newval) ;; key has been removed
(set! new #f))
((not (equal? newval val))
(hash-table-set! sechash key newval)
(set! new (conc key " " newval)))
(else
(debug:print 0 "ERROR: problem parsing line number " lnum "\"" hed "\"")))))
(debug:print-error 0 *default-log-port* "problem parsing line number " lnum "\"" hed "\"")))))
(else
(debug:print 0 "ERROR: Problem parsing line num " lnum " :\n " hed )))
(debug:print-error 0 *default-log-port* "Problem parsing line num " lnum " :\n " hed )))
(if (not (null? tal))
(loop (car tal)(cdr tal)(if new (append res (list new)) res)(+ lnum 1)))
;; drop to here when done processing, res contains modified list of lines
(set! fdat res)))
;; step 4: Append new values to the section
(for-each
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