chore: set up nexus for testing

flake.lock

@@ -2,14 +2,16 @@
   "nodes": {
     "home-manager": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": [
+          "nixpkgs"
+        ]
       },
       "locked": {
-        "lastModified": 1753592768,
-        "narHash": "sha256-oV695RvbAE4+R9pcsT9shmp6zE/+IZe6evHWX63f2Qg=",
+        "lastModified": 1756679287,
+        "narHash": "sha256-Xd1vOeY9ccDf5VtVK12yM0FS6qqvfUop8UQlxEB+gTQ=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "fc3add429f21450359369af74c2375cb34a2d204",
+        "rev": "07fc025fe10487dd80f2ec694f1cd790e752d0e8",
         "type": "github"
       },
       "original": {
@@ -21,11 +23,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1754564048,
-        "narHash": "sha256-dz303vGuzWjzOPOaYkS9xSW+B93PSAJxvBd6CambXVA=",
+        "lastModified": 1757103352,
+        "narHash": "sha256-PtT7ix43ss8PONJ1VJw3f6t2yAoGH+q462Sn8lrmWmk=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "26ed7a0d4b8741fe1ef1ee6fa64453ca056ce113",
+        "rev": "11b2a10c7be726321bb854403fdeec391e798bf0",
         "type": "github"
       },
       "original": {
@@ -36,11 +38,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1753345091,
-        "narHash": "sha256-CdX2Rtvp5I8HGu9swBmYuq+ILwRxpXdJwlpg8jvN4tU=",
+        "lastModified": 1757020766,
+        "narHash": "sha256-PLoSjHRa2bUbi1x9HoXgTx2AiuzNXs54c8omhadyvp0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3ff0e34b1383648053bba8ed03f201d3466f90c9",
+        "rev": "fe83bbdde2ccdc2cb9573aa846abe8363f79a97a",
         "type": "github"
       },
       "original": {
@@ -52,11 +54,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1755186698,
-        "narHash": "sha256-wNO3+Ks2jZJ4nTHMuks+cxAiVBGNuEBXsT29Bz6HASo=",
+        "lastModified": 1756787288,
+        "narHash": "sha256-rw/PHa1cqiePdBxhF66V7R+WAP8WekQ0mCDG4CFqT8Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "fbcf476f790d8a217c3eab4e12033dc4a0f6d23c",
+        "rev": "d0fc30899600b9b3466ddb260fd83deb486c32f1",
         "type": "github"
       },
       "original": {
@@ -66,27 +68,11 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1755078291,
-        "narHash": "sha256-Hu/gTDoi4uy6TAKISPHQusSMy8U6xUbLSDjKBYdhDIY=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "3385ca0cd7e14c1a1eb80401fe011705ff012323",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-25.05",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "home-manager": "home-manager",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable"
       }
     }

flake.nix

@@ -4,7 +4,10 @@
     nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
 #    nixpkgs-unstable.url = "github:transcaffeine/nixpkgs/nexus/3.81.1";
 #    nixpkgs-unstable.url = "git+file:/home/transcaffeine/git/transcaffeine/nixpkgs";
-    home-manager.url = "github:nix-community/home-manager/release-25.05";
+    home-manager = {
+      url = "github:nix-community/home-manager/release-25.05";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     nixos-hardware.url = "github:NixOS/nixos-hardware";
   };
 

hosts/nixos-unstable/default.nix

@@ -4,4 +4,11 @@
     ./configuration.nix
     ../../profiles/base
   ];
+  nixpkgs.config.permittedInsecurePackages = [
+    "nexus-3.70.1-02"
+  ];
+  services.nexus = {
+    enable = true;
+    package = pkgs.nexus3;
+  };
 }

profiles/base/default.nix

@@ -42,4 +42,21 @@
     usbutils
     pciutils
   ];
+  programs.bash.promptInit = ''
+    # Provide a nice prompt if the terminal supports it.
+    if [ "$TERM" != "dumb" ] || [ -n "$INSIDE_EMACS" ]; then
+      PROMPT_COLOR="38;5;253m"
+      PATH_PROMPT_COLOR="38;5;199m"
+      ((UID)) && PROMPT_COLOR="1;32m"
+      if [ -n "$INSIDE_EMACS" ]; then
+        # Emacs term mode doesn't support xterm title escape sequence (\e]0;)
+        PS1="[\[\033[$PROMPT_COLOR\]\u\033[0m@\H:\033[1m\033[$PATH_PROMPT_COLOR\w\a\]\[\033[0m\]]\$ "
+      else
+        PS1="[\[\033[$PROMPT_COLOR\]\u\033[0m@\H:\033[1m\033[$PATH_PROMPT_COLOR\w\a\]\[\033[0m\]]\$ "
+      fi
+      if test "$TERM" = "xterm"; then
+        PS1="\[\033]2;\h:\u:\w\007\]$PS1"
+      fi
+    fi
+  '';
 }