Add gem_env helper function to get gem env as json

dot_config/profile/profile.d/functions.sh.tmpl

@@ -27,6 +27,26 @@ go_deps() (
 	awk 'NR>'"${START_AT}"' && NR<'"${END_AT}"' {print $1}' "${GO_MOD}"
 )
 
+#{{ if lookPath "gem" -}}
+#{{ if lookPath "dasel" -}}
+#{{ if lookPath "jq" -}}
+gem_env () (
+  NAME=${1:-}
+  if [ "$NAME" != '' ]; then
+    gem environment \
+    | dasel --read yaml --write json \
+    | jq '.["RubyGems Environment"] | to_entries | map((.value | keys)[0] as $key | {key: $key, value: .value[$key] }) | from_entries' \
+    | jq --raw-output '.["'"${NAME}"'"]'
+  else
+    gem environment \
+    | dasel --read yaml --write json \
+    | jq '.["RubyGems Environment"] | to_entries | map((.value | keys)[0] as $key | {key: $key, value: .value[$key] }) | from_entries'
+  fi
+)
+#{{- end }}
+#{{- end }}
+#{{- end }}
+
 make_script() (
 	cat <<-EOF > "${1}"
 	#!/usr/bin/env bash

dot_config/profile/profile.d/hellotech.sh.tmpl

@@ -23,5 +23,13 @@ _add_path () {
 _add_path "/usr/local/opt/mysql-client/bin"
 _add_path "${HOME}/google-cloud-sdk/bin"
 
+#{{ if lookPath "gem" -}}
+#{{ if lookPath "dasel" -}}
+#{{ if lookPath "jq" -}}
+_add_path "$(gem_env "USER INSTALLATION DIRECTORY")/bin"
+#{{- end }}
+#{{- end }}
+#{{- end }}
+
 unset _add_path
 #{{- end }}