Re-introduce keysrc

keysrc allows for flexible, manual per-device configuration. Contrary to its name, it should not be used for keys - it's simply used as scratch.

Should its name change? Likely!

flake.lock

@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1696604326,
-        "narHash": "sha256-YXUNI0kLEcI5g8lqGMb0nh67fY9f2YoJsILafh6zlMo=",
+        "lastModified": 1696879762,
+        "narHash": "sha256-Ud6bH4DMcYHUDKavNMxAhcIpDGgHMyL/yaDEAVSImQY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "87828a0e03d1418e848d3dd3f3014a632e4a4f64",
+        "rev": "f99e5f03cc0aa231ab5950a15ed02afec45ed51a",
         "type": "github"
       },
       "original": {

home/prompt.nix

@@ -55,6 +55,12 @@ in
       # pushd
       setopt AUTO_PUSHD
 
+      # Per-device, flexible configuration
+      # (Contrary to its name, it should not house keys.)
+      if [ -f $HOME/.keysrc ]; then
+        source $HOME/.keysrc
+      fi
+
       # History search, but from beginning
       bindkey "^[[A" history-beginning-search-backward
       bindkey "^[[B" history-beginning-search-forward