perf(bash-v2): speed up filtering entries with descriptions (#1689)

Use simple prefix match instead of single word `compgen -W` command substitution for each candidate match.
spf13 · May 4, 2022 · fb80311 · fb80311
1 parent 95d7df1
commit fb80311
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/bash_completionsV2.go b/bash_completionsV2.go
@@ -191,8 +191,7 @@ __%[1]s_handle_standard_completion_case() {
         # Strip any description before checking the length
         comp=${compline%%%%$tab*}
         # Only consider the completions that match
-        comp=$(compgen -W "$comp" -- "$cur")
-        [[ -z $comp ]] && continue
+        [[ $comp == "$cur"* ]] || continue
         COMPREPLY+=("$compline")
         if ((${#comp}>longest)); then
             longest=${#comp}