hush: add support for special vars in braces
Some people like to use ${?} rather than $?, so make sure we support all
the special single char vars that use this form.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/shell/hush.c b/shell/hush.c
index 735cb4c..d067e91 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -5272,6 +5272,9 @@
all_digits = true;
goto char_ok;
}
+ /* They're being verbose and doing ${?} */
+ if (i_peek(input) == '}' && strchr("$!?#*@_", ch))
+ goto char_ok;
}
if (expansion < 2
diff --git a/shell/hush_test/hush-vars/param_expand_indicate_error.right b/shell/hush_test/hush-vars/param_expand_indicate_error.right
index ec4908c..590bb20 100644
--- a/shell/hush_test/hush-vars/param_expand_indicate_error.right
+++ b/shell/hush_test/hush-vars/param_expand_indicate_error.right
@@ -1,5 +1,4 @@
hush: syntax error: unterminated ${name}
-hush: syntax error: unterminated ${name}
0
0
_
diff --git a/shell/hush_test/hush-vars/param_expand_indicate_error.tests b/shell/hush_test/hush-vars/param_expand_indicate_error.tests
index 1f94181..bccba3e 100755
--- a/shell/hush_test/hush-vars/param_expand_indicate_error.tests
+++ b/shell/hush_test/hush-vars/param_expand_indicate_error.tests
@@ -1,7 +1,7 @@
# do all of these in subshells since it's supposed to error out
# first try some invalid patterns
-"$THIS_SH" -c 'echo ${?}'
+#"$THIS_SH" -c 'echo ${?}' -- this is valid as it's the same as $?
"$THIS_SH" -c 'echo ${:?}'
# then some funky ones
diff --git a/shell/hush_test/hush-vars/var1.right b/shell/hush_test/hush-vars/var1.right
index 14b2314..194e7db 100644
--- a/shell/hush_test/hush-vars/var1.right
+++ b/shell/hush_test/hush-vars/var1.right
@@ -1,4 +1,4 @@
http://busybox.net
http://busybox.net_abc
-1
-1
+1 1
+1 1
diff --git a/shell/hush_test/hush-vars/var1.tests b/shell/hush_test/hush-vars/var1.tests
index 0a63696..48a6782 100755
--- a/shell/hush_test/hush-vars/var1.tests
+++ b/shell/hush_test/hush-vars/var1.tests
@@ -4,6 +4,6 @@
echo ${URL}_abc
true
-false; echo $?
+false; echo $? ${?}
true
-{ false; echo $?; }
+{ false; echo $? ${?}; }
diff --git a/shell/hush_test/hush-vars/var3.right b/shell/hush_test/hush-vars/var3.right
index e772aaa..5e28d2f 100644
--- a/shell/hush_test/hush-vars/var3.right
+++ b/shell/hush_test/hush-vars/var3.right
@@ -1,3 +1,2 @@
hush: syntax error: unterminated ${name}
hush: syntax error: unterminated ${name}
-hush: syntax error: unterminated ${name}
diff --git a/shell/hush_test/hush-vars/var3.tests b/shell/hush_test/hush-vars/var3.tests
index e09f433..aea36d6 100755
--- a/shell/hush_test/hush-vars/var3.tests
+++ b/shell/hush_test/hush-vars/var3.tests
@@ -1,4 +1,4 @@
# reject invalid vars
"$THIS_SH" -c 'echo ${1q}'
"$THIS_SH" -c 'echo ${&}'
-"$THIS_SH" -c 'echo ${$}'
+#"$THIS_SH" -c 'echo ${$}' -- this is valid as it's the same as $$
