Set EDITOR in .profile for helix->vim

Having to find helix is annoying... and in any case default to vim
if it doesn't exist. If we end up on a box with no vim at all,
we'd be calling an editor by path anyway.

.profile

@@ -5,9 +5,24 @@ if [ -z "$SSH_CLIENT" ] && [ -z "$SSH_TTY" ]; then
 	eval `keychain --eval id_ed25519`
 fi
 
-# These are pretty safe to assume exist
+# Put ~/bin first in my path so I can customize commands
+# This isn't great on a security level and I should stop this.
 export PATH=~/bin:$PATH
-export EDITOR=vim
+
+# Figure out my editor. I want helix if this box has it, but where it is
+# is inconsistent thanks to Archlinux packaging. It can be /usr/bin/helix,
+# or /usr/bin/hx. My puppet code creates /bin/hx to normalize this too.
+# If we don't have helix, just shotgun using vim and pray.
+if [ -e /bin/hx ]; then
+	export EDITOR=/bin/hx
+elif [ -e /usr/bin/helix ]; then
+	export EDITOR=/usr/bin/helix
+elif [ -e /usr/bin/hx ]; then
+	export EDITOR=/usr/bin/hx
+else
+	export EDITOR=vim
+fi
+
 export VISUAL=$EDITOR
 
 # Figure out my pager; these don't necessarily exist