Added ssh-agent to fish

.config/fish/config.fish

@@ -1,3 +1,75 @@
+function sshagent_findsockets
+    find /tmp -uid (id -u) -type s -name agent.\* 2>/dev/null
+end
+
+function sshagent_testsocket
+    if [ ! -x (command which ssh-add) ] ;
+        echo "ssh-add is not available"
+        return 1
+    end
+
+    if [ X"$argv[1]" != X ] ;
+        set -xg SSH_AUTH_SOCK $argv[1]
+    end
+
+    if [ X"$SSH_AUTH_SOCK" = X ]
+        return 2
+    end
+
+    if [ -S $SSH_AUTH_SOCK ] ;
+        ssh-add -l > /dev/null
+        if [ $status = 2 ] ;
+            echo "Socket $SSH_AUTH_SOCK is dead!  Deleting!"
+            rm -f $SSH_AUTH_SOCK
+            return 4
+        else ;
+            #echo "Found ssh-agent $SSH_AUTH_SOCK"
+            return 0
+        end
+    else ;
+        echo "$SSH_AUTH_SOCK is not a socket!"
+        return 3
+    end
+end
+
+
+function ssh_agent_init
+    # ssh agent sockets can be attached to a ssh daemon process or an
+    # ssh-agent process.
+
+    set -l AGENTFOUND 0
+
+    # Attempt to find and use the ssh-agent in the current environment
+    if sshagent_testsocket ;
+        set AGENTFOUND 1
+    end
+
+    # If there is no agent in the environment, search /tmp for
+    # possible agents to reuse before starting a fresh ssh-agent
+    # process.
+    if [ $AGENTFOUND = 0 ];
+        for agentsocket in (sshagent_findsockets)
+            if [ $AGENTFOUND != 0 ] ;
+                break
+            end
+            if sshagent_testsocket $agentsocket ;
+           set AGENTFOUND 1
+        end
+
+        end
+    end
+
+    # If at this point we still haven't located an agent, it's time to
+    # start a new one
+    if [ $AGENTFOUND = 0 ] ;
+    echo need to start a new agent
+    eval (ssh-agent -c)
+    end
+
+    # Finally, show what keys are currently in the agent
+    # ssh-add -l
+end
+
 if status is-interactive
     set -gx EDITOR nvim
     set -gx VISUAL nvim
@@ -5,4 +77,6 @@ if status is-interactive
     set -gx TERMINAL foot
     set -gx MOZ_ENABLE_WAYLAND 1
     set -gx _JAVA_AWT_WM_NONREPARENTING 1
+
+    ssh_agent_init
 end