[#23] Rename plugins to modules

modules/gpg-agent/init.zsh

@@ -0,0 +1,35 @@
+#
+# Provides for an easier use of gpg-agent.
+#
+# Authors:
+#   Florian Walch <florian.walch@gmx.at>
+#   Sorin Ionescu <sorin.ionescu@gmail.com>
+#
+
+if (( ! $+commands[gpg-agent] )); then
+  return 1
+fi
+
+_gpg_env="$HOME/.gnupg/gpg-agent.env"
+
+function _gpg-agent-start {
+  gpg-agent --daemon --enable-ssh-support --write-env-file "${_gpg_env}" > /dev/null
+  chmod 600 "${_gpg_env}"
+  source "${_gpg_env}" > /dev/null
+}
+
+# Source GPG agent settings, if applicable.
+if [[ -f "${_gpg_env}" ]]; then
+  source "${_gpg_env}" > /dev/null
+  ps -ef | grep "${SSH_AGENT_PID}" | grep -q 'gpg-agent' || {
+    _gpg-agent-start
+  }
+else
+  _gpg-agent-start
+fi
+
+export GPG_AGENT_INFO
+export SSH_AUTH_SOCK
+export SSH_AGENT_PID
+export GPG_TTY="$(tty)"
+