pastebin script + go support

os/dev/default.nix

@@ -2,7 +2,39 @@
   config,
   pkgs,
   ...
-}: {
+}: let
+  wantgunsbin_script = pkgs.writeShellScriptBin "pst" ''
+    #!/usr/bin/env bash
+
+    URL="https://pastebin.dessa.dev"
+
+    FILEPATH="$1"
+    FILENAME=$(basename -- "$FILEPATH")
+    EXTENSION="''${FILENAME##*.}"
+
+    if [ ! -f $FILEPATH ]; then
+      # curl the file from the internet, given the id
+      # future regex for any wantsgunbin link: ^((http(s)?:\/\/.)?(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b\/)?[0-9a-zA-Z]{5,}(\..*)?$
+      if [[ $FILEPATH =~ ^(https:\/\/pastebin\.dessa\.dev\/)?[0-9a-zA-Z]{5,}(\..*)?$ ]]; then
+        OUT=$(mktemp)
+        echo $OUT
+        curl -sL https://pastebin.dessa.dev/$FILEPATH > $OUT
+        exit 0
+      else
+        echo "File not found: $FILEPATH"
+        exit 1
+      fi
+    fi
+
+    RESPONSE=$(curl --data-binary @''${FILEPATH:-/dev/stdin} --url $URL)
+    PASTELINK="$URL$RESPONSE"
+
+    [ -z "$EXTENSION" ] && echo $PASTELINK || echo $PASTELINK.$EXTENSION
+  '';
+in {
+  programs.zsh.shellAliases = {
+    pst = "${wantgunsbin_script}/bin/pst";
+  };
   home.packages = with pkgs.unstable; [
     bruno
     just
@@ -14,6 +46,7 @@
     corepack
     cargo-watch
     rustup
+    go
 
     jetbrains.idea-community
     vscode