systemd: fix gammastep

dotfiles/runit_sv/gammastep/run

@@ -1,9 +1,3 @@
 #!/bin/sh
 
-if type curl; then
-    loc=`curl ipinfo.io/loc | sed 's/,/:/'`
-else
-    loc="-30:-50"
-fi
-
-exec gammastep -l "$loc"
+exec _gammastep

dotfiles/scripts/_gammastep

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+if type curl; then
+    loc=`curl ipinfo.io/loc | sed 's/,/:/'`
+else
+    loc="-30:-50"
+fi
+
+exec gammastep -l "$loc"

dotfiles/systemd/gammastep.service

@@ -0,0 +1,13 @@
+# {{ header() }}
+
+[Unit]
+Description=Wayland equivalent of autorandr.
+Documentation=https://sr.ht/~emersion/kanshi/
+PartOf=graphical-session.target
+
+[Service]
+Type=simple
+ExecStart=/bin/env _gammastep
+
+[Install]
+WantedBy=sway-session.target