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[Fix] `set -u`: Add default empty value for `$NVM_NO_ALIAS` 

Adds a default value for NVM_NO_ALIAS so that nvm ls does not error out when run
in a bash nounset/-u (no unset vars) environment.
Sehrope Sarkuni 2019-05-14 08:31:24 -04:00 committed by Jordan Harband
parent 45c1b84794
commit 0b5bb5ccd8
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GPG Key ID: 64A196AEE0916D55
2 changed files with 24 additions and 1 deletions
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2
nvm.sh
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@ -3161,7 +3161,7 @@ nvm() {
esac
shift
done
if [ -n "${PATTERN-}" ] && [ -n "${NVM_NO_ALIAS}" ]; then
if [ -n "${PATTERN-}" ] && [ -n "${NVM_NO_ALIAS-}" ]; then
nvm_err '`--no-alias` is not supported when a pattern is provided.'
return 55
fi

23
test/fast/Listing versions/Running "nvm ls" with nounset should not fail. 100755
View File

@ -0,0 +1,23 @@
#!/bin/sh
die () { echo "$@" ; exit 1; }
\. ../../../nvm.sh
\. ../../common.sh
make_fake_node v0.12.34 || die 'fake v0.12.34 could not be made'
# Enable no unset variable
set -u
# Try an alias that does not exist
output=$(nvm ls 99 2>&1 1>/dev/null || true)
test -z "${output}" || die "1: expected empty; got >${output}"
# Try a version that does not exist
output=$(nvm ls 0.12.00 2>&1 1>/dev/null || true)
test -z "${output}" || die "2: expected empty; got >${output}"
# Try a version that does exist
output=$(nvm ls 0.12.34 2>&1 1>/dev/null || true)
test -z "${output}" || die "3: expected empty; got >${output}"