chore(doc): add obs-studio spec example

Signed-off-by: Kaiyang Wu <[email protected]>

Author: OriginCode

scribblings/aosc.scrbl

@@ -1,6 +1,7 @@
 #lang scribble/manual
 @require[@for-label[aosc
-                    racket/base]]
+                    racket/base]
+          scribble/example]
 
 @title{AOSC Racket Packaging Tools}
 @author[(author+email "Kaiyang Wu" "[email protected]")]
@@ -29,6 +30,45 @@ A minimal @racket[spec] requires a @racket[ver] and a @racket[dummysrc?] set to
 
 Voilà! We have a small @tt{spec}.
 
+The following is a real world example with the sample package @tt{obs-studio}:
+
+@examples[
+(require aosc)
+
+(define (obs-studio)
+  (define version "31.0.0")
+  (define obs-cef-ver "127.3.5+g114ea2a+chromium-127.0.6533.120")
+  (define common-src
+    (git "https://github.com/obsproject/obs-studio"
+         #:options (list (commit (string-append "tags/" version))
+                         (rename "obs-studio"))))
+  (spec
+   #:ver version
+   #:rel 1
+   #:srcs
+   (hash 'any   (list common-src)
+         'amd64 (list common-src
+                      (tbl (format
+                             "https://cef-builds.spotifycdn.com/cef_binary_~a_linux64_minimal.tar.bz2"
+                             obs-cef-ver)
+                           #:options (list (rename "cef.tar.bz2"))))
+         'arm64 (list common-src
+                      (tbl (format
+                             "https://cef-builds.spotifycdn.com/cef_binary_~a_linuxarm64_minimal.tar.bz2"
+                             obs-cef-ver)
+                           #:options (list (rename "cef.tar.bz2")))))
+   #:chksums
+   (hash 'any   (list (skip))
+         'amd64 (list (skip)
+                      (checksum 'sha256 "e7b13b6d92a95625a7a3d5b801a6928cbf41e2ec6afab0d7028bb5b6c88e0d48"))
+         'arm64 (list (skip)
+                      (checksum 'sha256 "b3c751f7bac03b49825306e96273d6c98dedf26a2fab4e4785964a965859741b")))
+   #:subdir "obs-studio"
+   #:chkupdate (anitya 7239)))
+
+(write-spec (obs-studio) (current-output-port))
+]
+
 @subsection{Reference}
 
 @defproc[(spec-type? [obj any/c]) boolean?]{