add mount-vault script

nixos/home-manager/default.nix

@@ -30,6 +30,7 @@
     ./programs/newsboat.nix
     ./programs.nix
     ./links.nix
+    ./scripts.nix
     ./cli.nix
   ];
 

nixos/home-manager/scripts.nix

@@ -0,0 +1,57 @@
+{ config, pkgs, ... }:
+
+let
+  mount-vault = pkgs.writeTextFile {
+    name = "mount-vault";
+    executable = true;
+    destination = "/bin/mount-vault";
+    text = ''
+      #!/usr/bin/env bash
+
+      set -e
+      set -o pipefail
+
+      VERACRYPT="veracrypt"
+      if [[ "$OSTYPE" == "darwin"* ]]; then
+        VERACRYPT="/Applications/VeraCrypt.app/Contents/MacOS/VeraCrypt"
+      fi
+
+      MOUNT_TARGET=$2
+      if [[ -z "$MOUNT_TARGET" ]]; then
+        MOUNT_TARGET=$HOME/.vault
+      fi
+
+      sudo chown $USER "$MOUNT_TARGET"
+      mkdir -p "$MOUNT_TARGET"
+
+      MOUNT_SOURCE=$1
+      if [[ -z "$MOUNT_SOURCE" ]]; then
+        MOUNT_SOURCE="$HOME/vaults/vault.vera"
+      fi
+
+      chmod a+x "$MOUNT_SOURCE"
+
+      if [[ -z "$VAULT_PASSWORD" ]]; then
+        echo "interactive mount"
+        $VERACRYPT -t --mount "$MOUNT_SOURCE" "$MOUNT_TARGET"
+      else
+        echo "non-interactive mount of '$MOUNT_SOURCE' to '$MOUNT_TARGET'"
+        sudo $VERACRYPT -t --non-interactive -p $VAULT_PASSWORD --mount "$MOUNT_SOURCE" "$MOUNT_TARGET"
+      fi
+      echo "mounted"
+      sudo chown $USER "$MOUNT_TARGET"
+      echo "chowned"
+
+      echo "$MOUNT_SOURCE -> $MOUNT_TARGET"
+
+      if [[ -z $NO_INSTALL_VAULT ]]; then
+        "$MOUNT_TARGET/install"
+      fi
+    '';
+  };
+
+in
+  {
+
+    home.packages = with pkgs; [ mount-vault ];
+  }