Re: test: (gnu) tar(1) portability

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+From: Tomi Ollila <tomi.ollila@iki.fi>\r
+To: David Bremner <david@tethera.net>, notmuch@notmuchmail.org\r
+Subject: Re: test: (gnu) tar(1) portability\r
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+\r
+On Sat, Jan 11 2014, David Bremner <david@tethera.net> wrote:\r
+\r
+> Tomi Ollila <tomi.ollila@iki.fi> writes:\r
+>>\r
+>> 2) Change calls to 'tar' to format ${GNU_TAR:-tar} so testers can set \r
+>>    environment variable GNU_TAR to the name/path of gnu tar when running\r
+>>    tests (like GNU_TAR=/usr/local/bin/gtar make test or GNU_TAR=gtar ...)\r
+>\r
+> I don't really see any downside to this option; there's only a few calls\r
+> to tar to replace.  Of course we could bikeshed about whether to write \r
+>\r
+> TAR=${GNU_TAR:-tar}\r
+> ...\r
+>\r
+> ${TAR} --frub --blah \r
+>\r
+> instead of testing GNU_TAR everywhere.\r
+\r
+I also thought of this option, exactly in the same format, too.. \r
+\r
+>\r
+> But, shrug...\r
+\r
+Yes... \r
+\r
+and this leads to probably more problematic issue: Mac OS X has\r
+bash version 3 -- which cannot be used to run test scripts. For\r
+that we'd also need a variabe (and some test script trickiness).\r
+\r
+This bash issue is easier to solve by tuning the PATH instead of\r
+introducing another variable (or check for 'bash4' existence (ehhe;))\r
+There for we could (that's probably me, then ;/) just document that\r
+in test/README Prerequisites section..\r
+\r
+>\r
+> d\r
+\r
+Tomi\r
+\r