commit 980b161540a9fb1b3691c610b5799ea1d3158a97
from: Thomas Adam <thomas@xteddy.org>
date: Mon Jul 11 19:58:41 2022 UTC

portable: regress: make OS-detection sh-compatible

Don't rely on $OSTYPE being available, which it isn't in strict POSIX
mode.  Ubuntu's sh is often alised to dash, and hence this fails.

Instead, default to using the output from 'uname'.

commit - 8f000c9d285bf6e6880991a0eefe0c5db5084cbb
commit + 980b161540a9fb1b3691c610b5799ea1d3158a97
blob - ef2b0f3c387cedf01c4142429355093055130d4a
blob + 61693d0124d080967b08cd4aacf0859f70fc47ce
--- regress/cmdline/common.sh
+++ regress/cmdline/common.sh
@@ -32,7 +32,7 @@ export MALLOC_OPTIONS=S
 # will be empty, but we still want to use it.  Since we test for non-linux
 # values, only set PLATFORM if we're running on Linu so that the correct
 # commands are used.
-[ -z "$PLATFORM" ] && [ "$OSTYPE" = "linux-gnu" ] && PLATFORM="linux"
+[ -z "$PLATFORM" -a "$(uname)" = "Linux" ] && PLATFORM="linux"
 
 date()
 {