blob: 00e8d170dba185c68de8d18cdff4503233391673 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#!/usr/bin/env gosh
(use gauche.process)
(use srfi-13)
(use srfi-19)
(use file.util)
(define url "https://ilztalbahn.eu/wp-content/uploads/2020/07/gtfs.zip")
(define cachefile "/tmp/urlwatch-cache")
(define storagedir "/var/lib/urlwatch-ilztal")
(do-process `(mkdir "-p" ,storagedir))
(define (get-hash url)
(string-trim-both
(process-output->string `((curl ,url)
(sha256sum)))))
(define hash
(get-hash url))
(define pretty-date
(date->string (time-utc->date (current-time)) "~5"))
(define (hash-did-change oldhash newhash)
(print (format "the url's hash has changed to ~s!" newhash))
(let ([newfile (string-append storagedir "/" newhash)])
(do-process `(curl ,url "-o" ,newfile))
(let ( ;[diff (if oldhash
; (let ([oldfile (string-append storagedir "/" oldhash)])
; (process-output->string `(zipcmp ,oldfile ,newfile)))
;"")]
)
(do-pipeline `((echo ,(format "
Neuer hash ist ~a
Link ist ~a
(~a)
" newhash url pretty-date))
(mail "-s" "Ilztalbahn GTFS Update"
"stuebinm@disroot.org"
"-a" "From: trainspotter@flora.stuebinm.eu")))
(sexp-list->file
cachefile
(list (list pretty-date newhash))
:if-exists :append))))
(if (file-is-writable? cachefile)
(let ([oldhash (cadr (last (file->sexp-list cachefile)))])
(if (equal? (cadr (last (file->sexp-list cachefile))) hash)
(print (format "url did not change, hash remains ~a" hash))
(hash-did-change oldhash hash)))
(hash-did-change #f hash))
|
