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pollen/setup
pollen/file
net/uri-codec
file/sha1
gregor
txexpr
racket/list
racket/match
racket/port
racket/system
racket/string)
;; Provides common helper functions used throughout the project
(provide maybe-meta ; Select from (current-metas) or default value ("") if not available
maybe-attr ; Return an attribute’s value or a default ("") if not available
here-output-path
here-source-path
here-id
listing-context
series-metas-noun ; Retrieve noun-singular from current 'series meta, or ""
series-metas-title ; Retrieve title of series in current 'series meta, or ""
metas-series-pagenode
invalidate-series
checked-in?
make-tag-predicate
tx-strs
ymd->english
ymd->dateformat
default-authorname
default-title
web-root
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(define (default-title body-txprs)
(format "“~a…”" (first-words body-txprs 5)))
(define (maybe-meta m [missing ""])
(cond [(current-metas) (or (select-from-metas m (current-metas)) missing)]
[else missing]))
;; Return the current source path, relative to (current-project-root)
(define (here-source-path)
(match (current-metas)
[(? hash? m)
(define-values (_ rel-path-parts)
(drop-common-prefix (explode-path (current-project-root))
(explode-path (string->path (hash-ref m 'here-path)))))
(apply build-path rel-path-parts)]
[_ (string->path ".")]))
;; Return the current output path, relative to (current-project-root)
;; Similar to the variable 'here' which is only accessible in Pollen templates,
;; except this is an actual path, not a string.
(define (here-output-path)
(cond [(current-metas)
(define-values (_ rel-path-parts)
(drop-common-prefix (explode-path (current-project-root))
(explode-path (string->path (select-from-metas 'here-path (current-metas))))))
(->output-path (apply build-path rel-path-parts))]
[else (string->path ".")]))
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(define series-file (build-path (current-project-root)
series-folder
(format "~a.poly.pm" series-name)))
(when (file-exists? series-file)
(case (system-type 'os)
[(windows) (system (format "type nul >> ~a" series-file))]
[else (system (format "touch ~a" series-file))]))))
;; Determine if the current article has been checked into Fossil repo
(define (checked-in?)
(cond [(current-metas)
(define articles-path (build-path (current-project-root) articles-folder))
(define checked-in
(with-output-to-string
(lambda () (system (format "/usr/local/bin/fossil ls ~a" articles-path)))))
(string-contains? checked-in (path->string (here-source-path)))]
[else #f]))
;; ~~~ Project-wide Pagetrees ~~~
(define (include-in-pagetree folder extension)
(define (matching-file? f)
(string-suffix? f extension))
(define (file->output-pagenode f)
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