Add support for local and global commands.

README.md

@@ -127,6 +127,26 @@ asdf list-all <name>
 # asdf list-all erlang
 ```
 
+#### View current version
+
+```bash
+asdf local [name]
+asdf global [name]
+# asdf local
+# asdf global
+# asdf local elixir
+# asdf global elixir
+```
+
+#### Set current version
+
+```bash
+asdf global <name> <version>
+asdf local <name> <version>
+asdf global elixir 1.2.4
+```
+
+
 ## The `.tool-versions` file
 
 Add a `.tool-versions` file to your project dir and versions of those tools will be used.
@@ -147,6 +167,8 @@ The versions can be in the following format:
 
 To install all the tools defined in a `.tool-versions` file run the `asdf install` command with no other arguments in the directory containing the `.tool-versions` file.
 
+You can view/modify the file by hand or use `asdf local` and `asdf global` to manage it.
+
 ## Credits
 
 Me ([@HashNuke](http://github.com/HashNuke)), High-fever, cold, cough.

bin/asdf

@@ -7,6 +7,7 @@ source $(dirname $(dirname $0))/lib/commands/install.sh
 source $(dirname $(dirname $0))/lib/commands/uninstall.sh
 source $(dirname $(dirname $0))/lib/commands/which.sh
 source $(dirname $(dirname $0))/lib/commands/where.sh
+source $(dirname $(dirname $0))/lib/commands/version_commands.sh
 source $(dirname $(dirname $0))/lib/commands/list.sh
 source $(dirname $(dirname $0))/lib/commands/list-all.sh
 source $(dirname $(dirname $0))/lib/commands/reshim.sh
@@ -40,6 +41,12 @@ case $1 in
 "where")
     where_command $callback_args;;
 
+"local")
+    local_command $callback_args;;
+
+"global")
+    global_command $callback_args;;
+
 "list")
     list_command $callback_args;;
 

completions/asdf.fish

@@ -78,6 +78,16 @@ complete -f -c asdf -n '__fish_asdf_needs_command' -a reshim -d "Recreate shims
 complete -f -c asdf -n '__fish_asdf_using_command reshim; and __fish_asdf_arg_number 2' -a '(asdf plugin-list)'
 complete -f -c asdf -n '__fish_asdf_using_command reshim; and __fish_asdf_arg_number 3' -a '(asdf list (__fish_asdf_arg_at 3))'
 
+# local completion
+complete -f -c asdf -n '__fish_asdf_needs_command' -a local -d "Set local version for a plugin"
+complete -f -c asdf -n '__fish_asdf_using_command local; and __fish_asdf_arg_number 2' -a '(asdf plugin-list)'
+complete -f -c asdf -n '__fish_asdf_using_command local; and __fish_asdf_arg_number 3' -a '(asdf list (__fish_asdf_arg_at 3))'
+
+# global completion
+complete -f -c asdf -n '__fish_asdf_needs_command' -a global -d "Set global version for a plugin"
+complete -f -c asdf -n '__fish_asdf_using_command global; and __fish_asdf_arg_number 2' -a '(asdf plugin-list)'
+complete -f -c asdf -n '__fish_asdf_using_command global; and __fish_asdf_arg_number 3' -a '(asdf list (__fish_asdf_arg_at 3))'
+
 # misc
 complete -f -c asdf -n '__fish_asdf_needs_command' -l "help" -d "Displays help"
 complete -f -c asdf -n '__fish_asdf_needs_command' -l "version" -d "Displays asdf version"

help.txt

@@ -13,6 +13,10 @@ MANAGE PACKAGES
   asdf uninstall <name> <version>      Remove a specific version of a package
   asdf which <name>                    Display version set or being used for package
   asdf where <name> <version>          Display install path for an installed version
+  asdf local [name]                    Display a package local version
+  asdf local <name> <version>          Set the package local version
+  asdf global [name]                   Display a package global version
+  asdf global <name> <version>         Set the package global version
   asdf list <name>                     List installed versions of a package
   asdf list-all <name>                 List all versions of a package
 

lib/commands/version_commands.sh

@@ -0,0 +1,60 @@
+version_command() {
+  local cmd=$1
+
+  if [ $# -gt 3 ]; then
+    echo usage: $cmd [PLUGIN] [VERSION]
+    exit 1
+  fi
+
+  local file
+  if [ $cmd = "global" ]; then
+    file=$HOME/.tool-versions
+  else
+    file=$(get_asdf_versions_file_path)
+    if [ -z "$file" ]; then
+      file=.tool-versions
+    fi
+  fi
+
+  if [ $# -ne 3 -a ! -f $file ]; then
+    echo $file does not exist
+    exit 1
+  fi
+
+  if [ $# -eq 1 ]; then
+    cat $file
+    exit 0
+  fi
+
+  local plugin=$2
+  check_if_plugin_exists $(get_plugin_path $plugin)
+
+  if [ $# -eq 2 ]; then
+    result=$(get_tool_version_from_file $file $plugin)
+    if [ -n "$result" ]; then
+      echo $result
+      exit 0
+    else
+      echo "version not set for $plugin"
+      exit 1
+    fi
+  fi
+
+  local version=$3
+
+  check_if_version_exists $plugin $version
+
+  if [ -f $file ] && grep $plugin $file > /dev/null; then
+    sed -i -e "s/$plugin .*/$plugin $version/" $file
+  else
+    echo "$plugin $version" >> $file
+  fi
+}
+
+local_command() {
+  version_command "local" $@
+}
+
+global_command() {
+  version_command "global" $@
+}

lib/utils.sh

@@ -36,6 +36,16 @@ check_if_plugin_exists() {
   fi
 }
 
+check_if_version_exists() {
+  local plugin=$1
+  local version=$2
+  local version_dir=$(asdf_dir)/installs/$plugin/$version
+  if [ ! -d $version_dir ]; then
+    display_error "version $version is not installed for $plugin"
+    exit 1
+  fi
+}
+
 
 get_version_part() {
   IFS='@' read -a version_info <<< "$1"

test/utils.bats

@@ -0,0 +1,33 @@
+#!/usr/bin/env bats
+
+. $(dirname $BATS_TEST_DIRNAME)/lib/utils.sh
+
+setup() {
+  ASDF_DIR=$(mktemp -dt asdf.XXXX)
+}
+
+teardown() {
+  rm -rf $ASDF_DIR
+  unset ASDF_DIR
+}
+
+@test "check_if_version_exists should exit with 1 if plugin does not exist" {
+  mkdir -p $ASDF_DIR/installs
+  run check_if_version_exists "foo" "1.0.0"
+  [ "$status" -eq 1 ]
+  [ "$output" = "version 1.0.0 is not installed for foo" ]
+}
+
+@test "check_if_version_exists should exit with 1 if version does not exist" {
+  mkdir -p $ASDF_DIR/installs/foo
+  run check_if_version_exists "foo" "1.0.0"
+  [ "$status" -eq 1 ]
+  [ "$output" = "version 1.0.0 is not installed for foo" ]
+}
+
+@test "check_if_version_exists should be noop if version exists" {
+  mkdir -p $ASDF_DIR/installs/foo/1.0.0
+  run check_if_version_exists "foo" "1.0.0"
+  [ "$status" -eq 0 ]
+  [ "$output" = "" ]
+}

test/version_commands.bats

@@ -0,0 +1,83 @@
+#!/usr/bin/env bats
+
+. $(dirname $BATS_TEST_DIRNAME)/lib/utils.sh
+. $(dirname $BATS_TEST_DIRNAME)/lib/commands/version_commands.sh
+
+setup() {
+  BASE_DIR=$(mktemp -dt asdf.XXXX)
+  HOME=$BASE_DIR/home
+  ASDF_DIR=$HOME/.asdf
+  OTHER_DIR=$BASE_DIR/other
+  mkdir -p $ASDF_DIR/plugins/foo $ASDF_DIR/plugins/bar $ASDF_DIR/installs/foo/1.0.0 $ASDF_DIR/installs/foo/1.1.0 $ASDF_DIR/installs/foo/1.2.0 $ASDF_DIR/installs/bar/1.0.0 $OTHER_DIR
+
+  cd $OTHER_DIR
+  echo 'foo 1.0.0' >> $HOME/.tool-versions
+  echo 'foo 1.1.0' >> .tool-versions
+}
+
+teardown() {
+  rm -rf $BASE_DIR
+}
+
+
+@test "local should emit an error when run in lookup mode and file does not exist" {
+  rm .tool-versions
+  run local_command
+  [ "$status" -eq 1 ]
+  [ "$output" = ".tool-versions does not exist" ]
+}
+
+@test "global should emit an error when run in lookup mode and file does not exist" {
+  rm $HOME/.tool-versions
+  run global_command "foo"
+  [ "$status" -eq 1 ]
+  [ "$output" = "$HOME/.tool-versions does not exist" ]
+}
+
+@test "local should emit an error when plugin does not exist" {
+  run local_command "inexistent" "1.0.0"
+  [ "$status" -eq 1 ]
+  [ "$output" = "No such plugin" ]
+}
+
+@test "local should emit an error when plugin version does not exist" {
+  run local_command "foo" "0.0.1"
+  [ "$status" -eq 1 ]
+  [ "$output" = "version 0.0.1 is not installed for foo" ]
+}
+
+@test "local should return and set the local version" {
+
+  run local_command
+  [ "$status" -eq 0 ]
+  [ "$output" = "foo 1.1.0" ]
+
+  run local_command foo "1.2.0"
+
+  run local_command foo
+  [ "$status" -eq 0 ]
+  [ "$output" = "1.2.0" ]
+
+  run local_command bar
+  [ "$status" -eq 1 ]
+
+  run local_command bar 1.0.0
+  [ "$status" -eq 0 ]
+
+  run local_command bar
+  [ "$status" -eq 0 ]
+  [ "$output" = "1.0.0" ]
+}
+
+@test "global should return and set the global version" {
+  run global_command
+  [ "$status" -eq 0 ]
+  [ "$output" = "foo 1.0.0" ]
+
+  run global_command foo 1.2.0
+  [ "$status" -eq 0 ]
+
+  run global_command foo
+  [ "$status" -eq 0 ]
+  [ "$output" = "1.2.0" ]
+}