Add screen term type and pyenv

config/fish/conf.d/pyenv.fish

@@ -0,0 +1,19 @@
+if not command -s pyenv > /dev/null
+    echo "Install <github.com/yyuu/pyenv> to use 'pyenv'."
+    exit 1
+end
+
+set -l pyenv_root ""
+
+if test -z "$PYENV_ROOT"
+    set pyenv_root ~/.pyenv
+    set -x PYENV_ROOT "$pyenv_root"
+else
+    set pyenv_root "$PYENV_ROOT"
+end
+
+if status --is-login
+    set -x PATH "$pyenv_root/shims" $PATH
+    set -x PYENV_SHELL fish
+end
+command mkdir -p "$pyenv_root/"{shims,versions}