zsh: update

.config/zsh/rc/ssh-agent.zsh

@@ -0,0 +1,29 @@
+#!/bin/zsh
+
+z-ssh-agent() {
+    while [ -n "${SSH_AGENT_PID}" ] ; do
+        z-proc-exists "${SSH_AGENT_PID}" || break
+
+        ## don't bother with ssh agent socket if it already set
+        [ -z "${SSH_AUTH_SOCK}" ] || return 0
+
+        break
+    done
+
+    (( ${+commands[ssh-agent]} )) || return 127
+
+    if [ -z "${SSH_AUTH_SOCK}" ] ; then
+        local sock_dir
+        if [ "${XDG_RUNTIME_DIR}" = "${TMPDIR}" ] ; then
+            sock_dir="${ZSHU[d_zdot]}/.cache/ssh"
+        else
+            sock_dir="${XDG_RUNTIME_DIR}/ssh"
+        fi
+        mkdir -p "${sock_dir}"
+        SSH_AUTH_SOCK="${sock_dir}/ssh-agent.sock"
+    fi
+
+    {
+        eval "$(ssh-agent -s -k -a "${SSH_AUTH_SOCK}")"
+    } >/dev/null
+}