hush: fix "while false; ..." exitcode; add testsuites
diff --git a/shell/hush.c b/shell/hush.c
index a74fe47..5b2f188 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2305,8 +2305,10 @@
#endif
#if ENABLE_HUSH_LOOPS
if (rword == RES_WHILE) {
- if (rcode)
+ if (rcode) {
+ rcode = 0; /* "while false; do...done" - exitcode 0 */
goto check_jobs_and_break;
+ }
}
if (rword == RES_UNTIL) {
if (!rcode) {
diff --git a/shell/hush_test/hush-misc/break4.right b/shell/hush_test/hush-misc/break4.right
new file mode 100644
index 0000000..6f41c14
--- /dev/null
+++ b/shell/hush_test/hush-misc/break4.right
@@ -0,0 +1,6 @@
+A
+AA
+TRUE
+A
+AA
+OK:0
diff --git a/shell/hush_test/hush-misc/break4.tests b/shell/hush_test/hush-misc/break4.tests
new file mode 100755
index 0000000..67da288
--- /dev/null
+++ b/shell/hush_test/hush-misc/break4.tests
@@ -0,0 +1,12 @@
+cond=true
+while $cond; do
+ echo A
+ if test "$cond" = true; then
+ cond='echo TRUE'
+ else
+ cond=false
+ fi
+ while true; do echo AA; continue 2; echo BB; done
+ echo B
+done
+echo OK:$?
diff --git a/shell/hush_test/hush-misc/while1.right b/shell/hush_test/hush-misc/while1.right
new file mode 100644
index 0000000..7c4d7be
--- /dev/null
+++ b/shell/hush_test/hush-misc/while1.right
@@ -0,0 +1 @@
+OK:0
diff --git a/shell/hush_test/hush-misc/while1.tests b/shell/hush_test/hush-misc/while1.tests
new file mode 100755
index 0000000..11e201e
--- /dev/null
+++ b/shell/hush_test/hush-misc/while1.tests
@@ -0,0 +1,2 @@
+while false; do echo NOT SHOWN; done
+echo OK:$?