Use erlang as an example source

README.md

@@ -8,12 +8,12 @@
 asdf install <package> <version>
 asdf uninstall <package> <version>
 asdf list <package>
-asdf list <package> -a
+asdf list-all <package>
 asdf use <package> <version>
-asdf source add <package> <source>
-asdf source remove <package>
-asdf source update --all
-asdf source update <package>
+asdf source-add <package> <source>
+asdf source-remove <package>
+asdf source-update
+asdf source-update <package>
 
 ## `.asdf-versions` file
 

bin/asdf

@@ -4,4 +4,4 @@ source $(dirname $(dirname $0))/lib/asdf/utils.sh
 source $(dirname $(dirname $0))/lib/asdf.sh
 source $(dirname $(dirname $0))/lib/asdf/docs.sh
 
-run_command $@
+run_command "$@"

lib/asdf.sh

@@ -28,6 +28,7 @@ check_and_run() {
 run_command() {
   check_and_run "--version" $1 asdf_version "${@:2}"
   check_and_run "list" $1 list_command "${@:2}"
+  check_and_run "list-all" $1 list_all_command "${@:2}"
 
   # if [ "$1" = "list" ]
   # then
@@ -40,13 +41,33 @@ run_command() {
 }
 
 
+list_all_command() {
+  asdf_path=$(asdf_dir)
+  if [ -d ${asdf_path}/sources/$1 ]
+    then
+    echo ./$(asdf_dir)/sources/$1/list-all
+  else
+    display_error "no such package"
+  fi
+}
+
 
 list_command() {
-  echo ./$(asdf_dir)/sources/$1/list
+  asdf_path=$(asdf_dir)
+  if [ -d ${asdf_path}/sources/$1 ]
+  then
+    # echo ./$(asdf_dir)/sources/$1/list
+    #TODO list versions installed with the installs/erlang/.installs file
+    # the .installs file will have lines of the format "version hash"
+  else
+    display_error "no such package"
+  fi
+}
+
+display_error() {
+  echo $1
 }
 
 help_all() {
   echo "display help message"
 }
-
-run_command "$@"

sources/erlang/list-all

@@ -0,0 +1,14 @@
+#!/usr/bin/env sh
+
+versions=(
+  17.3.4
+  17.3
+  17.2
+  17.1
+  17.0
+)
+
+for version in "${versions[@]}"
+do
+  echo $version
+done