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ament: fix unbound variable error

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This commit is contained in:
Ben Wolsieffer 2019-12-03 17:43:09 -05:00
parent 10731ea721
commit 05f334d6d3
1 changed files with 1 additions and 1 deletions
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2
ament-cmake-core-setup-hook.sh
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@ -7,7 +7,7 @@ declare -gA _amentPackagesSeen
_findAmentPackages() {
local pkg="$1"
# Deduplicate the packages
if [ -z "${_amentPackagesSeen["$pkg"]}" ] && isAmentPackage "$pkg"; then
if [ -z "${_amentPackagesSeen["$pkg"]:-}" ] && isAmentPackage "$pkg"; then
addToSearchPath AMENT_PREFIX_PATH "$pkg"
fi
_amentPackagesSeen["$pkg"]=1