Negative subscript causes error in bash version 4.1.2(1)-release
(x86_64-redhat-linux-gnu). This commit fixes it.
Signed-off-by: Alex Wang <al...@nicira.com>
---
utilities/ovs-command-compgen.bash | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/utilities/ovs-command-compgen.bash
b/utilities/ovs-command-compgen.bash
index fa3f1e6..b9df527 100755
--- a/utilities/ovs-command-compgen.bash
+++ b/utilities/ovs-command-compgen.bash
@@ -600,8 +600,8 @@ if [ "$1" = "debug" ]; then
# next argument which is not input yet. This hack is for
# compromising the fact that bash cannot take unquoted
# empty argument.
- if [ "${COMP_WORDS[-1]}" = "TAB" ]; then
- COMP_WORDS[${#COMP_WORDS[@]}-1]=""
+ if [ "${COMP_WORDS[$COMP_CWORD]}" = "TAB" ]; then
+ COMP_WORDS[$COMP_CWORD]=""
fi
_ovs_command_complete "debug"
--
1.7.9.5
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