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-rwxr-xr-xhome/scripts/sync.scm28
1 files changed, 28 insertions, 0 deletions
diff --git a/home/scripts/sync.scm b/home/scripts/sync.scm
new file mode 100755
index 0000000..a51b557
--- /dev/null
+++ b/home/scripts/sync.scm
@@ -0,0 +1,28 @@
+#!/usr/bin/env gosh
+
+;; download the given files to ~/.cache/feedsync under hashed filenames
+;; if the versions there are older than two hours
+
+(use util.match)
+(use gauche.process)
+
+
+(define targets
+ (cdr (command-line)))
+
+(define cachedir
+ (string-append (sys-getenv "HOME") "/.cache/feedsync"))
+
+(do-process `("mkdir" "-p" ,cachedir))
+
+(map (lambda (target)
+ (let ([cachefile (format "~a/~a.ics" cachedir (portable-hash target 0))])
+ (cond
+ [(not (file-exists? cachefile))
+ (do-process `("curl" ,target "-o" ,cachefile))]
+ [(< 7200 (- (sys-time) (sys-stat->mtime (sys-stat cachefile))))
+ (print (format "fetching ~a" target))
+ (do-process `("curl" ,target "-o" ,cachefile))]
+ [else
+ (display "time limit not yet exceeded")])))
+ targets)