add --urls flag for asdf list-plugins

Fixed tests due to use of printf

README.md

@@ -91,6 +91,13 @@ asdf plugin-add <name> <git-url>
 ```bash
 asdf plugin-list
 # asdf plugin-list
+# java
+# nodejs
+```
+
+```bash
+asdf plugin-list --urls
+# asdf plugin-list
 # java            https://github.com/skotchpine/asdf-java.git
 # nodejs          https://github.com/asdf-vm/asdf-nodejs.git
 ```

help.txt

@@ -1,7 +1,8 @@
 MANAGE PLUGINS
   asdf plugin-add <name> [<git-url>]   Add a plugin from the plugin repo OR, add a Git repo 
                                        as a plugin by specifying the name and repo url
-  asdf plugin-list                     List installed plugins with repository URLs
+  asdf plugin-list                     List installed plugins
+  asdf plugin-list --urls              List installed plugins with repository URLs
   asdf plugin-list-all                 List plugins registered on asdf-plugins repository with URLs
   asdf plugin-remove <name>            Remove plugin and package versions
   asdf plugin-update <name>            Update plugin

lib/commands/current.sh

@@ -16,20 +16,17 @@ plugin_current_command() {
   check_for_deprecated_plugin "$plugin_name"
 
   if [ -z "$version" ]; then
-    printf "No version set for $plugin_name"
+    printf "%s\\n" "No version set for $plugin_name"
     exit 1
   else
-    printf "%-8s%s" "$version" "(set by" "$version_file_path)"
+    printf "%-8s%s\\n" "$version" "(set by $version_file_path)"
   fi
 }
 
 current_command() {
   if [ $# -eq 0 ]; then
     for plugin in $(plugin_list_command); do
-      #plugin_list_command returns <name url> pairs, so filter urls
-      if [[ $plugin != *"http"* ]] ; then
       printf "%-15s%s\\n" "$plugin" "$(plugin_current_command "$plugin")"
-      fi
     done
   else
     local plugin=$1

lib/commands/plugin-list.sh

@@ -1,14 +1,32 @@
 plugin_list_command() {
+  local flag=$1
+
+  # 0 || 1 with flag
+  if [ $# -eq 0 ] || ([ $# -eq 1 ] && [ "$flag" == "--urls" ]); then
+    # valid command
+
     local plugins_path
     plugins_path=$(get_plugin_path)
 
     if ls "$plugins_path" &> /dev/null; then
       for plugin_path in $plugins_path/* ; do
         plugin_name=$(basename "$plugin_path")
+
+        if [ $# -eq 0 ]; then
+          printf "%s\\n" "$plugin_name"
+        else
           source_url=$(get_plugin_source_url "$plugin_name")
           printf "%-15s %s\\n" "$plugin_name" "$source_url"
+        fi
+
       done
     else
-    printf "%s\\n" "Oohes nooes ~! No plugins installed"
+      printf "%s\\n" 'Oohes nooes ~! No plugins installed'
     fi
+  
+  else
+    display_error "usage: asdf plugin-list [--urls]"
+    exit 1
+  fi
+
 }

test/plugin_commands.bats

@@ -19,7 +19,7 @@ teardown() {
 
   run plugin_list_command
   # whitespace between 'elixir' and url is from printf %-15s %s format
-  [ "$output" = "elixir          https://github.com/asdf-vm/asdf-elixir" ]
+  [ "$output" = "elixir" ]
 }
 
 @test "plugin_add command with no URL specified fails if the plugin doesn't exist" {