[Fix] ls-remote: do not match on bare LTS names, eg Argon

nvm.sh

@@ -1688,10 +1688,15 @@ EOF
     LTS="${LTS#lts/}"
   fi
 
-  VERSIONS="$({ command awk -v lts="${LTS-}" '{
-        if (!$1) { next }
-        if (lts && $10 ~ /^\-?$/) { next }
-        if (lts && lts != "*" && tolower($10) !~ tolower(lts)) { next }
+  VERSIONS="$({ command awk -v lts="${LTS-}" -v pattern="${PATTERN:-.*}" '
+      BEGIN {
+        if (pattern == "") pattern = ".*"
+      }
+      {
+        if (!$1) { next } # skip empty lines
+        if (lts && $10 ~ /^\-?$/) { next } # skip if LTS wanted, and row is not LTS
+        if (lts && lts != "*" && tolower($10) !~ tolower(lts)) { next } # skip if LTS filter does not match
+        if ($1 !~ pattern) { next } # only keep rows matching the pattern
         if ($10 !~ /^\-?$/) {
           if ($10 && $10 != prev) {
             print $1, $10, "*"
@@ -1703,7 +1708,6 @@ EOF
         }
         prev=$10;
       }' \
-    | nvm_grep -w "${PATTERN:-.*}" \
     | $SORT_COMMAND; } << EOF
 $VERSION_LIST
 EOF

test/fast/Unit tests/nvm ls-remote

@@ -88,4 +88,11 @@ OUTPUT="$(nvm ls-remote | sed 's/[ \t]*$//')"
 EXPECTED_OUTPUT="$(cat "${EXPECTED_OUTPUT_PATH}" | sed 's/[ \t]*$//' )"
 [ "_${OUTPUT}" = "_${EXPECTED_OUTPUT}" ] || die "bare nvm ls-remote did not output expected sorted versions; got >${OUTPUT}< expected >${EXPECTED_OUTPUT}<"
 
+OUTPUT="$(nvm ls-remote Argon 2>&1)"
+EXIT_CODE=$?
+[ $EXIT_CODE -eq 3 ] || die "nvm ls-remote Argon did not exit 3, got '${EXIT_CODE}'"
+
+EXPECTED_OUTPUT="            N/A"
+[ "_${OUTPUT}" = "_${EXPECTED_OUTPUT}" ] || die "nvm ls-remote Argon did not output expected error message; got >${OUTPUT}< expected >${EXPECTED_OUTPUT}<"
+
 cleanup