Refactor reshim command

commands/asdf-reshim.sh

@@ -1,27 +1,69 @@
 source $(dirname $(dirname $0))/lib/utils.sh
 
-package=$1
-version=$2
 
+ensure_shims_dir() {
+  # Create shims dir if doesn't exist
+  if [ ! -d $(asdf_dir)/shims ]
+    then
+    mkdir $(asdf_dir)/shims
+  fi
+}
+
+
+write_shim_script() {
+  local package=$1
+  local version=$2
+  local executable_path=$3
+  local shim_path=$(asdf_dir)/shims/$(basename $executable_path)
+
+  echo """#!/usr/bin/env sh
+asdf exec ${package} $executable_path \${@:1}
+""" > $shim_path
+
+  chmod +x $shim_path
+}
+
+
+generate_shims_for_version() {
+  local package=$1
+  local full_version=$2
+  local source_path=$(get_source_path $package)
+  check_if_source_exists $source_path
+
+  IFS=':' read -a version_info <<< "$full_version"
+  if [ "${version_info[0]}" = "tag" ] || [ "${version_info[0]}" = "commit" ]
+    then
+    local install_type="${version_info[0]}"
+    local version="${version_info[1]}"
+  else
+    local install_type="version"
+    local version="${version_info[0]}"
+  fi
+
+  local space_seperated_list_of_executables=$(sh ${source_path}/bin/list-executables $package $install_type $version "${@:2}")
+  IFS=' ' read -a all_executables <<< "$space_seperated_list_of_executables"
+
+  for executable in "${all_executables[@]}"
+  do
+    write_shim_script $package $version $executable
+  done
+}
+
+
+
+package=$1
+full_version=$2
 source_path=$(get_source_path $package)
 check_if_source_exists $source_path
+ensure_shims_dir
 
-
-if [ ! -d $(asdf_dir)/shims ]
-  then
-  mkdir $(asdf_dir)/shims
-fi
-
-
-package_installs_path=$(asdf_dir)/installs/${package}
-
-if [ $version = "" ]
+# If full version is empty then generate shims for all versions in the package
+if [ $full_version = "" ]
 then
-  #TODO add support to parse "tag-$version" dir names to what we want
   for install in ${package_installs_path}/*/; do
-    echo "TODO"
-    echo "$(basename $install)"
+    full_version_name=$(echo $(basename $install) | sed 's/tag\-/tag\:/' | sed 's/commit-/commit:/')
+    generate_shims_for_version $package $full_version_name
   done
 else
-  generate_shims_for_version $package $version "${@:3}"
+  generate_shims_for_version $package $full_version
 fi