fish: conf.d/setup: Set up all path related things at start

fish/.config/fish/conf.d/setup.fish

@@ -1,17 +1,26 @@
 function __fish_setup_on_tty_login --description "Set up environment on tty login"
-    for extra_path in ~/.{local,nix-profile,cargo,cabal,ghcup,go}/bin
+    # We set it up in this order as what we setup first, will appear later in
+    # the path.
+
+    # See commit 7779044 for why this is required.
+    if test -d /usr/lib/rustup/bin
+        set -gxp PATH /usr/lib/rustup/bin
+    end
+
+    if test -d {$HOME}/.local/share/pnpm
+        set -gx PNPM_HOME {$HOME}/.local/share/pnpm
+        set -gxp PATH {$HOME}/.local/share/pnpm
+    end
+
+    for extra_path in ~/.{cabal,cargo,ghcup,go,local}/bin
         if test -d "$extra_path"
             set -gxp PATH "$extra_path"
         end
     end
 
-    if test -d /usr/lib/rustup/bin
-        set -gxp PATH /usr/lib/rustup/bin
-    end
-
-    if test -d {$HOME}/.nix-defexpr/channels
-        set -gx NIX_PATH {$HOME}/.nix-defexpr/channels
-        set -gx NIX_SSL_CERT_FILE '/etc/ssl/certs/ca-certificates.crt'
+    if test -d {$HOME}/.go
+        set -gx GOBIN {$HOME}/.go/bin
+        set -gx GOPATH {$HOME}/.go
     end
 
     if test -d /var/lib/flatpak
@@ -27,11 +36,6 @@ function __fish_setup_on_tty_login --description "Set up environment on tty logi
         end
     end
 
-    if test -d {$HOME}/.local/share/pnpm
-        set -gx PNPM_HOME {$HOME}/.local/share/pnpm
-        set -gxp PATH {$HOME}/.local/share/pnpm
-    end
-
     # Temporary directory for GStreamer dot files
     mkdir -p /tmp/gst-dot
 
@@ -42,11 +46,6 @@ function __fish_setup_on_tty_login --description "Set up environment on tty logi
     # Needed for work
     set -gx ENV qa-tunnel
 
-    if test -d {$HOME}/.go
-        set -gx GOBIN {$HOME}/.go/bin
-        set -gx GOPATH {$HOME}/.go
-    end
-
     # Password Store
     set -gx PASSWORD_STORE_ENABLE_EXTENSIONS true
     set -gx PASSWORD_STORE_GENERATED_LENGTH 16