better ssh

fish/post.d/fetch.fish

@@ -30,7 +30,7 @@ if type -q fastfetch
     end
 end
 
-# add 'set -g no_fetch' somewhere in prev.d to disable auto-fetch
+# add 'set -g no_fetch' somewhere other than post.d to disable fetching
 if not set -q no_fetch
     if type -q ff-brief
 	    ff-brief

fish/post.d/sshs.fish

@@ -0,0 +1,29 @@
+# ssh with encrypted private keys
+# $ssh_keys should be set in advance or left empty to use default keys
+if type -q ssh
+    # start ssh agent if not already running
+    if not set -q SSH_AUTH_SOCK
+        if test -f "$HOME/.ssh-agent" -a -r "$HOME/.ssh-agent"
+            bass source "$HOME/.ssh-agent" > /dev/null 2>&1
+            # check if the socket is actually working
+            if not ssh-add -l > /dev/null 2>&1
+                command rm -f "$HOME/.ssh-agent"
+                set -e SSH_AUTH_SOCK
+            end
+        end
+
+        if not set -q SSH_AUTH_SOCK 2>&1
+            command rm -f "$HOME/.ssh-agent"
+            bass eval (ssh-agent -s | tee "$HOME/.ssh-agent") > /dev/null 2>&1
+        end
+    end
+
+    # only need to input passphrase once per session
+    function sshs
+        # test if keys are added to ssh-agent
+        if not ssh-add -l > /dev/null 2>&1
+            ssh-add $ssh_keys
+        end
+        ssh $argv
+    end
+end