apply post-1.15.1 fixes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

4 files changed, 43 insertions, 0 deletions

diff --git a/shell/hush_test/hush-trap/savetrap.right b/shell/hush_test/hush-trap/savetrap.right
new file mode 100644
index 0000000..a59225b
--- /dev/null
+++ b/shell/hush_test/hush-trap/savetrap.right
@@ -0,0 +1,8 @@
+trap -- 'echo Exiting' EXIT
+trap -- 'echo WINCH!' WINCH
+trap -- 'echo Exiting' EXIT
+trap -- 'echo WINCH!' WINCH
+trap -- 'echo Exiting' EXIT
+trap -- 'echo WINCH!' WINCH
+Done
+Exiting
diff --git a/shell/hush_test/hush-trap/savetrap.tests b/shell/hush_test/hush-trap/savetrap.tests
new file mode 100755
index 0000000..c2b312f
--- /dev/null
+++ b/shell/hush_test/hush-trap/savetrap.tests
@@ -0,0 +1,9 @@
+trap 'echo Exiting' EXIT
+trap 'echo WINCH!' SIGWINCH
+v=` trap   `
+echo "$v"
+v=$(	trap )
+echo "$v"
+v=`trap`
+echo "$v"
+echo Done
diff --git a/shell/hush_test/hush-trap/subshell.right b/shell/hush_test/hush-trap/subshell.right
new file mode 100644
index 0000000..0d20ed4
--- /dev/null
+++ b/shell/hush_test/hush-trap/subshell.right
@@ -0,0 +1,6 @@
+Ok
+Ok
+Ok
+Ok
+TERM
+Done
diff --git a/shell/hush_test/hush-trap/subshell.tests b/shell/hush_test/hush-trap/subshell.tests
new file mode 100755
index 0000000..4564c2e
--- /dev/null
+++ b/shell/hush_test/hush-trap/subshell.tests
@@ -0,0 +1,20 @@
+# Non-empty traps should be reset in subshell
+
+# HUP is special in interactive shells
+trap '' HUP
+# QUIT is always special
+trap '' QUIT
+# SYS is not special
+trap '' SYS
+# WINCH is harmless
+trap 'bad: caught WINCH' WINCH
+# With TERM we'll check whether it is reset
+trap 'bad: caught TERM'  TERM
+
+# using bash, because we don't have $PPID (yet)
+(bash -c 'kill -HUP   $PPID'; echo Ok)
+(bash -c 'kill -QUIT  $PPID'; echo Ok)
+(bash -c 'kill -SYS   $PPID'; echo Ok)
+(bash -c 'kill -WINCH $PPID'; echo Ok)
+(bash -c 'kill -TERM  $PPID'; echo Bad: TERM is not reset)
+echo Done