From bbbdf04058db12698857950a4c8238e4f936a444 Mon Sep 17 00:00:00 2001
From: Jeff Edwards <jeffe@amazon.com>
Date: Mon, 27 Sep 2021 12:03:49 -0700
Subject: [PATCH 1/2] 'asdf current --as-tool-versions' outputs a format
 suitable for a .tool-versions specification based on current setup

---
 lib/commands/command-current.bash | 31 ++++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

diff --git a/lib/commands/command-current.bash b/lib/commands/command-current.bash
index 4dc60411c..af9409eb2 100644
--- a/lib/commands/command-current.bash
+++ b/lib/commands/command-current.bash
@@ -4,6 +4,7 @@
 plugin_current_command() {
   local plugin_name=$1
   local terminal_format=$2
+  local tool_versions=$3
 
   check_if_plugin_exists "$plugin_name"
 
@@ -31,9 +32,11 @@ plugin_current_command() {
     printf "$terminal_format" "$plugin" "$version" "$description" 1>&2
     return 1
   elif [ -z "$full_version" ]; then
-    description="No version set. Run \"asdf <global|shell|local> $plugin <version>\""
-    printf "$terminal_format" "$plugin" "______" "$description" 1>&2
-    return 126
+    if [ "$tool_versions" == "false" ]; then 
+        description="No version set. Run \"asdf <global|shell|local> $plugin <version>\""
+        printf "$terminal_format" "$plugin" "______" "$description" 1>&2
+        return 126
+    fi
   else
     description="$version_file_path"
     printf "$terminal_format" "$plugin" "$full_version" "$description"
@@ -44,15 +47,29 @@ plugin_current_command() {
 current_command() {
   local terminal_format="%-15s %-15s %-10s\\n"
   local exit_status=0
+  local plugin=""
+  local tool_versions=false
+  while [ -n "$*" ]; do
+    case "$1" in
+    "--as-tool-versions")
+      tool_versions=true
+      terminal_format="%s %s%.0s\\n"
+      shift
+      ;;
+    *)
+      plugin="$1"
+      shift
+      ;;
+    esac
+  done
 
   # printf "$terminal_format" "PLUGIN" "VERSION" "SET BY CONFIG" # disbale this until we release headings across the board
-  if [ $# -eq 0 ]; then
+  if [ -z "$plugin" ]; then
     for plugin in $(asdf plugin list); do
-      plugin_current_command "$plugin" "$terminal_format"
+      plugin_current_command "$plugin" "$terminal_format" "$tool_versions"
     done
   else
-    local plugin=$1
-    plugin_current_command "$plugin" "$terminal_format"
+    plugin_current_command "$plugin" "$terminal_format" "$tool_versions"
     exit_status="$?"
   fi
 

From 479f6ce2b5460e1c503d7b2ef3634a6288d563a8 Mon Sep 17 00:00:00 2001
From: Jeff Edwards <jeffe@amazon.com>
Date: Mon, 27 Sep 2021 12:39:41 -0700
Subject: [PATCH 2/2] Add test and format for new current --as-tool-versions
 option

---
 lib/commands/command-current.bash |  8 ++++----
 test/current_command.bats         | 33 +++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/lib/commands/command-current.bash b/lib/commands/command-current.bash
index af9409eb2..fe3517498 100644
--- a/lib/commands/command-current.bash
+++ b/lib/commands/command-current.bash
@@ -32,10 +32,10 @@ plugin_current_command() {
     printf "$terminal_format" "$plugin" "$version" "$description" 1>&2
     return 1
   elif [ -z "$full_version" ]; then
-    if [ "$tool_versions" == "false" ]; then 
-        description="No version set. Run \"asdf <global|shell|local> $plugin <version>\""
-        printf "$terminal_format" "$plugin" "______" "$description" 1>&2
-        return 126
+    if [ "$tool_versions" == "false" ]; then
+      description="No version set. Run \"asdf <global|shell|local> $plugin <version>\""
+      printf "$terminal_format" "$plugin" "______" "$description" 1>&2
+      return 126
     fi
   else
     description="$version_file_path"
diff --git a/test/current_command.bats b/test/current_command.bats
index 2d1e64da5..03dc65d94 100755
--- a/test/current_command.bats
+++ b/test/current_command.bats
@@ -143,3 +143,36 @@ foobar          1.0.0           $PROJECT_DIR/.tool-versions"
   [ "$status" -eq 0 ]
   [ "$output" = "$expected" ]
 }
+
+@test "should be able to output the equivalent of a .tool-versions" {
+  install_dummy_plugin
+  install_dummy_version "1.1.0"
+
+  install_mock_plugin "y"
+  install_mock_plugin_version "y" "2.1.0"
+
+  cd $PROJECT_DIR
+  echo 'dummy 1.1.0' >> $PROJECT_DIR/.tool-versions
+  echo 'y 2.1.0' >> $PROJECT_DIR/.tool-versions
+
+  run asdf current --as-tool-versions
+  [ "$status" -eq 0 ]
+  echo "$output" | grep '^dummy 1.1.0$'
+  echo "$output" | grep '^y 2.1.0$'
+}
+
+@test "should be able to output the equivalent of a .tool-versions for a single tool" {
+  install_dummy_plugin
+  install_dummy_version "1.1.0"
+
+  install_mock_plugin "y"
+  install_mock_plugin_version "y" "2.1.0"
+
+  cd $PROJECT_DIR
+  echo 'dummy 1.1.0' >> $PROJECT_DIR/.tool-versions
+  echo 'y 2.1.0' >> $PROJECT_DIR/.tool-versions
+
+  run asdf current --as-tool-versions y
+  [ "$status" -eq 0 ]
+  [ "$output" = "y 2.1.0" ]
+}