The declare -n option was added in bash 4.3. Handle missing -n
gracefully, at the expense of losing dim alias functionality.
Cc: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Reported-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
dim | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/dim b/dim
index 9500a9df102a..20eac8c58c58 100755
--- a/dim
+++ b/dim
@@ -1598,9 +1598,9 @@ function dim_usage
echo "See '$dim help' for more information."
}
-# dim subcommand aliases
-declare -n subcmd=dim_alias_${subcommand//-/_}
-if [ -z "$subcmd" ]; then
+# dim subcommand aliases (with bash 4.3+)
+if ! declare -n subcmd=dim_alias_${subcommand//-/_} &> /dev/null || \
+ test -z "$subcmd"; then
subcmd="$subcommand"
fi
--
2.1.4
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