From 3b335bb401524a6a1a95270a2b15ad2c46842568 Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Sun, 22 May 2022 01:58:15 +0200
Subject: option.lisp: Move program version to macro

When I tried building with Homebrew, I got this error:

    $ wajir --version
    error: Failed to find the WRITE-DATE of
    /private/tmp/wajir-20220522-65276-i3kj2/bundle/local-projects/:

             No such file or directory

Try and pre-compile the program version to counter this error.
---
 src/option.lisp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/option.lisp b/src/option.lisp
index 466a229..fdb0a33 100644
--- a/src/option.lisp
+++ b/src/option.lisp
@@ -78,6 +78,10 @@ with code `exit-code`."
 `condition` and exits with EX_USAGE."
   (exit-with-error condition sysexits:+usage+))
 
+(defmacro program-version ()
+  "Program version string"
+  (asdf:component-version (asdf:find-system :wajir)))
+
 (defun parse-options ()
   "Parse command line options."
   (multiple-value-bind (options free-args)
@@ -99,7 +103,7 @@ with code `exit-code`."
 
     ;; Version
     (when-option (options :version)
-      (format t "~a~%" (asdf:component-version (asdf:find-system :wajir)))
+      (format t "~a~%" (program-version))
 
       (opts:exit sysexits:+ok+))
 
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