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Correct array expansion syntax

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This commit is contained in:
Trevor Brown 2020-10-16 11:08:49 -04:00
parent 97aab882e7
commit 1ed64eb119
2 changed files with 11 additions and 4 deletions
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5
lib/commands/command-env.bash
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@ -16,7 +16,10 @@ shim_env_command() {
fi
shim_env() {
"$env_cmd" ${env_args[@]:-}
# Yes, the syntax for the expansion is ugly and confusing, but it is what we
# need to do to make it work with the nounset option. See
# https://stackoverflow.com/q/7577052/ for the details
"$env_cmd" ${env_args[@]+"${env_args[@]}"}
}
with_shim_executable "$shim_name" shim_env || exit $?

10
lib/utils.bash
View File

@ -785,15 +785,19 @@ with_shim_executable() {
version_string=$(get_preset_version_for "$shim_plugin")
IFS=' ' read -r -a shim_versions <<<"$version_string"
local usable_plugin_versions
for shim_version in "${shim_versions[@]:-}"; do
# Yes, the syntax for the expansion is ugly and confusing, but it is what we
# need to do to make it work with the nounset option. See
# https://stackoverflow.com/q/7577052/ for the details
for shim_version in ${shim_versions[@]+"${shim_versions[@]}"}; do
preset_plugin_versions+=("$shim_plugin $shim_version")
done
done
if [ -n "${preset_plugin_versions[*]}" ]; then
if [ -n "${preset_plugin_versions[*]:-}" ]; then
printf "%s %s\\n" "No preset version installed for command" "$shim_name"
printf "%s\\n\\n" "Please install a version by running one of the following:"
for preset_plugin_version in "${preset_plugin_versions[@]}"; do
for preset_plugin_version in "${preset_plugin_versions[@]:-}"; do
printf "%s %s\\n" "asdf install" "$preset_plugin_version"
done
printf "\\n%s %s\\n" "or add one of the following versions in your config file at" "$closest_tool_version"