From 21b7f1b6b67f191ca187910a5fd4cd2cb1eb5353 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Thu, 5 Apr 2018 15:15:53 +0200
Subject: hush: fix a few more corner cases with empty-expanding `cmds`

See added testcases

function                                             old     new   delta
run_pipe                                            1723    1784     +61

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 shell/hush_test/hush-psubst/falsetick2.right      |  1 +
 shell/hush_test/hush-psubst/falsetick2.tests      |  3 +++
 shell/hush_test/hush-redir/redir_backquote1.right | 11 +++++++++++
 shell/hush_test/hush-redir/redir_backquote1.tests | 19 +++++++++++++++++++
 4 files changed, 34 insertions(+)
 create mode 100644 shell/hush_test/hush-psubst/falsetick2.right
 create mode 100755 shell/hush_test/hush-psubst/falsetick2.tests
 create mode 100644 shell/hush_test/hush-redir/redir_backquote1.right
 create mode 100755 shell/hush_test/hush-redir/redir_backquote1.tests

(limited to 'shell/hush_test')

diff --git a/shell/hush_test/hush-psubst/falsetick2.right b/shell/hush_test/hush-psubst/falsetick2.right
new file mode 100644
index 000000000..670f560f1
--- /dev/null
+++ b/shell/hush_test/hush-psubst/falsetick2.right
@@ -0,0 +1 @@
+Two:2 v:[]
diff --git a/shell/hush_test/hush-psubst/falsetick2.tests b/shell/hush_test/hush-psubst/falsetick2.tests
new file mode 100755
index 000000000..cfbd1a5de
--- /dev/null
+++ b/shell/hush_test/hush-psubst/falsetick2.tests
@@ -0,0 +1,3 @@
+v=v
+v=`exit 2` `false`
+echo Two:$? v:"[$v]"
diff --git a/shell/hush_test/hush-redir/redir_backquote1.right b/shell/hush_test/hush-redir/redir_backquote1.right
new file mode 100644
index 000000000..810cc2314
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_backquote1.right
@@ -0,0 +1,11 @@
+hush: can't open '/cant/be/created': No such file or directory
+First
+One:1 v1:[]
+hush: can't open '/cant/be/created': No such file or directory
+Second
+One:1 v2:[]
+Third
+Zero:0 v3:[]
+Fourth
+Zero:0 v4:[]
+Zero:0 v5:[1]
diff --git a/shell/hush_test/hush-redir/redir_backquote1.tests b/shell/hush_test/hush-redir/redir_backquote1.tests
new file mode 100755
index 000000000..41bb4913c
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_backquote1.tests
@@ -0,0 +1,19 @@
+v=v
+v=`echo First >&2` `` >/cant/be/created
+echo One:$? v1:"[$v]"
+
+v=v
+v=`echo Second >&2` `true` >/cant/be/created
+echo One:$? v2:"[$v]"
+
+v=v
+v=`echo Third >&2` `true` 2>/dev/null
+echo Zero:$? v3:"[$v]"
+
+v=v
+v=`echo Fourth >&2` `false` 2>/dev/null
+echo Zero:$? v4:"[$v]"
+
+v=v
+v=`echo $?` `false` 2>/dev/null
+echo Zero:$? v5:"[$v]"
-- 
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