commit cdb24125a2529d7698fe063ef5d90d69c125d7fa
Author: Charles Gray <charles.gray@fungible.com>
Date:   Tue Aug 30 18:16:33 2022 -0700

    Add comby timeouts

diff --git a/src/comby/binary.py b/src/comby/binary.py
index 6147058..69544fc 100644
--- a/src/comby/binary.py
+++ b/src/comby/binary.py
@@ -37,6 +37,7 @@ class CombyBinary(CombyInterface):
     """
     location = attr.ib(type=str, default='comby')
     language = attr.ib(type=str, default='.c')
+    timeout = attr.ib(default=None)
 
     @property
     def version(self) -> str:
@@ -101,6 +102,8 @@ class CombyBinary(CombyInterface):
         cmd = ('-stdin', '-json-lines', '-match-only',
                '-matcher', shlex.quote(language),
                shlex.quote(template), 'foo')
+        if (self.timeout is not None):
+            cmd = ('-timeout', str(self.timeout)) + cmd
         cmd_s = ' '.join(cmd)
 
         jsn = json.loads(self.call(cmd_s, text=source) or 'null')
@@ -135,6 +138,8 @@ class CombyBinary(CombyInterface):
         cmd = ['-stdin', shlex.quote(match), shlex.quote(rewrite)]
         cmd += ['-matcher', shlex.quote(language)]
         cmd += ['-diff' if diff else '-stdout']
+        if (self.timeout is not None):
+            cmd += ['-timeout', str(self.timeout)]
         cmd_s = ' '.join(cmd)
 
         return self.call(cmd_s, text=source)
@@ -161,6 +166,8 @@ class CombyBinary(CombyInterface):
         cmd = ('IGNORE_MATCHED_TEMPLATE', shlex.quote(template),
                '-matcher', shlex.quote(language),
                '-substitute-only', encoded_substitutions)
+        if (self.timeout is not None):
+            cmd = ('-timeout', str(self.timeout)) + cmd
         cmd_string = ' '.join(cmd)
         result = self.call(cmd_string)