fixcopyright: only change tracked files by default
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2a360bff32
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@ -14,7 +14,14 @@
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(define (get-git-config key)
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(string-trim (with-output-to-string
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(lambda () (system (format "git config --get ~a" key))))))
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(lambda () (system* "/usr/bin/env" "git" "config" "--get" key)))))
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(define (is-tracked? f)
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(call-with-output-file "/dev/null" #:exists 'append
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(lambda (sink)
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(parameterize ((current-error-port sink)
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(current-output-port sink))
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(system* "/usr/bin/env" "git" "ls-files" "--error-unmatch" f)))))
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(define user-name (get-git-config "user.name"))
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(define user-email (get-git-config "user.email"))
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@ -29,9 +36,15 @@
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(define total-file-count 0)
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(define total-changed-files 0)
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(define dry-run? #f)
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(define modify-untracked? #f)
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(define (fix-files file-type-name file-pattern front-matter-re leading-comment-re comment-prefix)
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(define matched-files (glob file-pattern))
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(define (fix-files #:file-type-name file-type-name
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#:file-pattern file-pattern
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#:front-matter-re [front-matter-re #f]
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#:leading-comment-re leading-comment-re
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#:comment-prefix comment-prefix
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#:file-filter [file-filter (lambda (x) #t)])
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(define matched-files (filter file-filter (glob file-pattern)))
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(define file-count (length matched-files))
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(define changed-files 0)
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(for [(file-number (in-naturals))
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@ -72,17 +85,21 @@
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(make-copyright user low this-year))]
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[_ l]))
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head))
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(head (map (lambda (l) (string-append comment-prefix
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(head (map (lambda (l)
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(if (string=? (cadr l) "")
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(string-trim comment-prefix)
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(string-append comment-prefix
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(match l
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[(list #f v) v]
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[(list k v) (format "~a: ~a" k v)])))
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[(list k v) (format "~a: ~a" k v)]))))
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head))
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(new-lines `(,@front-matter
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,@head
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""
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,@(dropf tail (lambda (l) (string=? (string-trim l) "")))))
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(changed? (not (equal? all-lines new-lines))))
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(when (and changed? (not dry-run?))
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(would-change-if-written? (not (equal? all-lines new-lines)))
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(write-needed? (and would-change-if-written? (or modify-untracked? (is-tracked? f)))))
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(when (and write-needed? (not dry-run?))
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(call-with-atomic-output-file
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f
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(lambda (port _tmp-path)
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@ -90,7 +107,7 @@
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(for [(l head)] (displayln l port))
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(newline port)
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(for [(l (dropf tail (lambda (l) (string=? (string-trim l) ""))))] (displayln l port)))))
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(if changed?
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(if write-needed?
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(begin (set! changed-files (+ changed-files 1))
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(printf "\e[41mchanged\e[0m\n"))
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(printf "\r\e[K"))))
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@ -101,9 +118,16 @@
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(command-line #:once-each
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[("-n" "--dry-run") "Do not write back changes to files"
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(set! dry-run? #t)])
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(set! dry-run? #t)]
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[("--modify-untracked") "Modify files not tracked by git as well as those that are"
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(set! modify-untracked? #t)])
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(void (fix-files #:file-type-name "Racket"
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#:file-pattern "**.rkt"
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#:front-matter-re #px"^#"
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#:leading-comment-re #px"^;+ *"
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#:comment-prefix ";;; "))
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(void (fix-files "Racket" "**.rkt" #px"^#" #px"^;+ *" ";;; "))
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(printf "fixcopyright: ~a files examined, ~a ~a\n"
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total-file-count
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total-changed-files
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@ -114,5 +138,7 @@
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(if (zero? total-changed-files)
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"changes were needed"
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"files were updated")))
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(void (system "chmod a+x fixcopyright.rkt"))
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(exit (if (positive? total-changed-files) 1 0))
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