Allowing find the closest version if the exact version is not found

lib/functions/versions.bash

@@ -53,8 +53,12 @@ version_command() {
     fi
 
     if ! (check_if_version_exists "$plugin_name" "$version"); then
-      version_not_installed_text "$plugin_name" "$version" 1>&2
-      exit 1
+      closest_version=$(try_get_closest_version "$plugin_name" "$version")
+      if [[ ! $closest_version ]]; then
+        version_not_installed_text "$plugin_name" "$version" 1>&2
+        exit 1
+      fi
+      version="$closest_version"
     fi
 
     resolved_versions+=("$version")

lib/utils.bash

@@ -137,6 +137,26 @@ check_if_version_exists() {
   fi
 }
 
+try_get_closest_version() {
+  local plugin_name=$1
+  local partial_version=$2
+  local versions
+
+  versions=$(list_installed_versions "$plugin_name")
+
+  if [ -n "${versions}" ]; then
+    for version in $versions; do
+      if [[ $version == $partial_version* ]]; then
+        matched_versions+=("$version")
+      fi
+    done
+  fi
+
+  if [ ${#matched_versions[@]} -eq 1 ]; then
+    printf "%s" "${matched_versions[0]}"
+  fi
+}
+
 version_not_installed_text() {
   local plugin_name=$1
   local version=$2

test/version_commands.bats

@@ -204,6 +204,18 @@ teardown() {
   [ "$(cat "$HOME/.tool-versions")" = "dummy 1.1.0" ]
 }
 
+@test "global should create a global .tool-versions file when a close version is found" {
+  run asdf global "dummy" "1.1"
+  [ "$status" -eq 0 ]
+  [ "$(cat "$HOME/.tool-versions")" = "dummy 1.1.0" ]
+}
+
+@test "global should emit an error when a single close plugin version is found" {
+  run asdf global "dummy" "1"
+  [ "$status" -eq 1 ]
+  [ "$output" = "version 1 is not installed for dummy" ]
+}
+
 @test "[global - dummy_plugin] with latest should use the latest installed version" {
   run asdf global "dummy" "latest"
   [ "$status" -eq 0 ]