tests/tilde-p: Honor logname utility only if succeeds

On WSL, the logname utility fails, but the LOGNAME environment variable still holds a valid login name. We should overwrite the variable only when the logname utility returned a non-empty result. This change should avoid skipping test cases unnecessarily.
magicant · Nov 20, 2024 · c080f2e · c080f2e
1 parent d306b74
commit c080f2e
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/tests/tilde-p.tst b/tests/tilde-p.tst
@@ -101,7 +101,10 @@ __IN__
 
 (
 if
-    ! { LOGNAME="$(logname)" && export LOGNAME; }
+    logname=$(logname)
+    if [ "$logname" ]; then LOGNAME=$logname; fi
+    unset logname
+    ! { [ "$LOGNAME" ] && export LOGNAME; }
 then
     skip="true"
 elif