[Fix #300] Disable SSH-Agent protocol emulation by default

modules/gpg-agent/README.md

@@ -3,6 +3,15 @@ GPG-Agent
 
 Provides for an easier use of [gpg-agent][1].
 
+Settings
+--------
+
+### SSH-Agent Protocol Emulation
+
+To enable SSH-Agent protocol emulation, add the following line to *zpreztorc*:
+
+    zstyle ':prezto:module:gpg-agent' ssh-support 'yes'
+
 Authors
 -------
 

modules/gpg-agent/init.zsh

@@ -14,7 +14,15 @@ 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
+  local ssh_support
+
+  zstyle -b ':prezto:module:gpg-agent' ssh-support 'ssh_support' \
+    || ssh_support=''
+
+  gpg-agent \
+    --daemon ${ssh_support:+'--enable-ssh-support'}
+    --write-env-file "${_gpg_env}" > /dev/null
+
   chmod 600 "${_gpg_env}"
   source "${_gpg_env}" > /dev/null
 }

runcoms/zpreztorc

@@ -81,6 +81,13 @@ zstyle ':prezto:module:prompt' theme 'sorin'
 # Auto start a session when Zsh is launched.
 # zstyle ':prezto:module:screen' auto-start 'yes'
 
+#
+# GPG-Agent
+#
+
+# Enable SSH-Agent protocol emulation.
+# zstyle ':prezto:module:gpg-agent' ssh-support 'yes'
+
 #
 # SSH-Agent
 #