Changed . token to _dot

This change allows the dotfiles to work with chezmoi (e.g: on windows)
and improves grepability with neovim/telescope

dot_config/nushell/nu_scripts/sourced/update_hosts.nu

@@ -0,0 +1,63 @@
+#!/usr/bin/nu
+
+# /etc/hosts update handler
+module hosts {
+    def display_heads [old, new] {
+        echo "Current file:"
+        echo $old
+        echo "New file:"
+        echo $new
+        print ""
+    }
+
+    def are_the_same [old_head, new_head] {
+        (($old_head | first) == ($new_head | first))
+    }
+
+    # Updater function for /etc/hosts
+    export def update [
+    --force (-f) # force replace /etc/hosts
+    ] {
+        # just sample values, feel free to change it but note that it works for StevenBlack files
+        let LINK = "https://raw.githubusercontent.com/StevenBlack/hosts/master/alternates/gambling-porn/hosts"
+        let WHITELIST = ["multipasko"]
+        let BLACKLIST = ["0.0.0.0 tiktok.com"]
+
+        let whitelisted = "(" + ($WHITELIST | str join "|") + ")"
+        let pattern = ($"0.0.0.0.*($whitelisted).*$")
+        let OLD_FILE = "/etc/hosts"
+        let TMP_FILE = (http get $LINK | lines)
+
+        if ($env.LAST_EXIT_CODE == 0) {
+            let OLD_HEAD = (open $OLD_FILE --raw | lines | first 8 | last 3)
+            let TMP_HEAD = ($TMP_FILE | first 8 | last 3)
+
+            display_heads $OLD_HEAD $TMP_HEAD
+            if (not ((are_the_same $OLD_HEAD $TMP_HEAD) and (not $force))) {
+                echo "Do you want to update the /etc/hosts file? [Y/n]"
+                let choice = (input)
+                if $choice in ["" "Y" "y"] {
+                    let TMP_FILE = if ($WHITELIST|is-empty) {
+                        ($TMP_FILE)
+                        } else {
+                        ($TMP_FILE | where {|line| $line !~ $pattern})
+                    }
+
+                    let TMP_FILE = ($TMP_FILE | append $BLACKLIST)
+
+                    $TMP_FILE | save /tmp/temphostsfile
+                    if ($env.LAST_EXIT_CODE == 0) {
+			sudo mv /tmp/temphostsfile $OLD_FILE
+                        echo "Done!"
+                    } else {
+                        error make -u {msg: "Something went wrong while overwriting the /etc/hosts file"}
+                    }
+                }
+            } else {
+                echo "No updates available."
+            }
+        } else {
+            error make -u {msg: "Failed downloading the hosts file, try again."}
+        }
+    }
+}