etc: Fix error message about missing Cargo snapshot

Fixes #2197

diff --git a/src/etc/install-deps.py b/src/etc/install-deps.py
index 28a4fb7b1eda4882e6e79bcd7651a9f0ee64bba6..1b11414a0548ea321bc78cf041adbe56d9579fdd 100644 (file)
--- a/src/etc/install-deps.py
+++ b/src/etc/install-deps.py
@@ -30,7 +30,8 @@ elif sys.platform == 'win32':
     else:
         host = host_bits + '-pc-windows-gnu'
 else:
-    raise "Unknown platform"
+    exit_msg = "There is no official Cargo snapshot for {} platform, sorry." 
+    sys.exit(exit_msg.format(sys.platform))
 
 rust_date = open('src/rustversion.txt').read().strip()
 url = 'https://static.rust-lang.org/dist/' + rust_date