Christopher Baines
5b0e6397dc
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Safsaf is a Guile web framework, written using Claude Code running Claude Opus 4.6, based off of the Guix Data Service, Nar Herder and Guix Build Coordinator codebases.
73 lines
2 KiB
Scheme
73 lines
2 KiB
Scheme
;;; news-to-texi.scm — Convert a GNU-style NEWS file to Texinfo
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;;;
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;;; Usage: guile news-to-texi.scm NEWS > version-history.texi
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;;;
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;;; The NEWS format is:
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;;;
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;;; Version X.Y (date)
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;;;
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;;; * First item.
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;;; * Second item, possibly
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;;; continued on the next line.
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;;;
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;;; Lines before the first "Version" heading (title, copyright notice)
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;;; are skipped.
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(use-modules (ice-9 rdelim)
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(ice-9 regex)
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(ice-9 match))
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(define (news->texi port out)
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(let loop ((line (read-line port))
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(in-version? #f)
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(in-item? #f))
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(cond
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((eof-object? line)
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;; Close any open item/version.
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(when in-item?
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(display "\n" out))
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(when in-version?
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(format out "@end itemize~%~%")))
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;; Version heading: "Version X.Y ..."
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((string-match "^Version " line)
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;; Close previous version if open.
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(when in-item?
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(display "\n" out))
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(when in-version?
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(format out "@end itemize~%~%"))
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(format out "@item ~a~%" line)
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(format out "@itemize~%" )
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(loop (read-line port) #t #f))
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;; Bullet item: " * text"
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((string-match "^ \\* (.+)" line)
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=>
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(lambda (m)
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;; Close previous item if open.
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(when in-item?
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(display "\n" out))
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(format out "@item~%")
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(display (match:substring m 1) out)
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(loop (read-line port) in-version? #t)))
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;; Continuation line: " text" (indented, no bullet)
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((and in-item? (string-match "^ (.+)" line))
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=>
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(lambda (m)
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(display "\n" out)
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(display (match:substring m 1) out)
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(loop (read-line port) in-version? #t)))
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;; Blank or preamble line — skip.
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(else
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(loop (read-line port) in-version? in-item?)))))
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(match (command-line)
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((_ news-file)
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(call-with-input-file news-file
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(lambda (in)
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(news->texi in (current-output-port)))))
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((_ . _)
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(format (current-error-port) "Usage: guile news-to-texi.scm NEWS~%")
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(exit 1)))
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