1 files changed, 11 insertions, 3 deletions

diff --git a/check b/check
index 2573a9e..5dc60ed 100755
--- a/check
+++ b/check
@@ -165,13 +165,18 @@ def check_shell(r):
     r.runcmd_maybe(["shellcheck"] + sh)
 
 
-def check_rust(r):
+def check_rust(r, strict=False):
     """Run all checks for Rust code"""
     r.title("checking Rust code")
 
     r.runcmd(["cargo", "build", "--all-targets"])
     if r.got_cargo("clippy"):
-        r.runcmd(["cargo", "clippy"])
+        if strict:
+            r.runcmd(["cargo", "clippy", "--all-targets", "--", "-D", "warnings"])
+        else:
+            r.runcmd(["cargo", "clippy", "--all-targets"])
+    elif strict:
+        sys.exit("Strict Rust checks specified, but clippy was not found")
     r.runcmd(["cargo", "test"])
     r.runcmd(["cargo", "fmt"])
 
@@ -250,6 +255,9 @@ def parse_args():
     p.add_argument(
         "-p", dest="progress", action="store_true", help="print some progress output"
     )
+    p.add_argument(
+        "--strict", action="store_true", help="don't allow compiler warnings"
+    )
 
     all_whats = ["python", "shell", "rust", "subplots", "subplotlib"]
     p.add_argument(
@@ -270,7 +278,7 @@ def main():
         elif what == "shell":
             check_shell(r)
         elif what == "rust":
-            check_rust(r)
+            check_rust(r, strict=args.strict)
         elif what == "subplots":
             check_subplots(r)
         elif what == "subplotlib":