tox: do simple parse on tox.ini if --listenvs* yields nothing

Old versions do not have --listenvs-all or --listenvs.
scop · May 14, 2019 · d7c92e6 · d7c92e6
1 parent a81a1e8
commit d7c92e6
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/completions/tox b/completions/tox
@@ -20,8 +20,11 @@ _tox()
         -!(-*)e)
             local envs=$(
                 { "$1" --listenvs-all || "$1" --listenvs; } 2>/dev/null )
+            [[ $envs ]] || envs=$(
+                    command sed -e 's/,/ /g' -ne 's/^envlist[[:space:]]*=//p' \
+                            tox.ini 2>/dev/null)
             local prefix=""; [[ $cur == *,* ]] && prefix="${cur%,*},"
-            COMPREPLY=( $(compgen -W "$envs ALL" -- "${cur##*,}") )
+            COMPREPLY=( $(compgen -X '*[{}]*' -W "$envs ALL" -- "${cur##*,}") )
             [[ ${#COMPREPLY[@]} -eq 1 ]] && COMPREPLY=( ${COMPREPLY/#/$prefix} )
             return
             ;;