prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Run REPL using `python -m hy`
  Figuring out how to get a REPL is not trivial. What do you think about making `python -m hy` do it?
  
  </issue>
  <code>
  [start of hy/__main__.py]
  1 import hy  # NOQA
  2 import sys
  3 
  4 # This just mocks the normalish behavior of the Python interp. Helpful to aid
  5 # with shimming existing apps that don't really "work" with Hy.
  6 #
  7 # You could say this script helps Hyjack a file.
  8 #
  9 
  10 
  11 if len(sys.argv) > 1:
  12     sys.argv.pop(0)
  13     hy.importer._import_from_path('__main__', sys.argv[0])
  14     sys.exit(0)  # right?
  15
  [end of hy/__main__.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/hy/__main__.py b/hy/__main__.py
  --- a/hy/__main__.py
  +++ b/hy/__main__.py
  @@ -1,14 +1,8 @@
  -import hy  # NOQA
   import sys
   
  -# This just mocks the normalish behavior of the Python interp. Helpful to aid
  -# with shimming existing apps that don't really "work" with Hy.
  -#
  -# You could say this script helps Hyjack a file.
  -#
  +from hy.cmdline import hy_main
   
  +# Running hy as a module (e.g. `python -m hy`)
  +# is equivalent to running the main `hy` command.
   
  -if len(sys.argv) > 1:
  -    sys.argv.pop(0)
  -    hy.importer._import_from_path('__main__', sys.argv[0])
  -    sys.exit(0)  # right?
  +sys.exit(hy_main())
  
verification_info: {"golden_diff": "diff --git a/hy/__main__.py b/hy/__main__.py\n--- a/hy/__main__.py\n+++ b/hy/__main__.py\n@@ -1,14 +1,8 @@\n-import hy  # NOQA\n import sys\n \n-# This just mocks the normalish behavior of the Python interp. Helpful to aid\n-# with shimming existing apps that don't really \"work\" with Hy.\n-#\n-# You could say this script helps Hyjack a file.\n-#\n+from hy.cmdline import hy_main\n \n+# Running hy as a module (e.g. `python -m hy`)\n+# is equivalent to running the main `hy` command.\n \n-if len(sys.argv) > 1:\n-    sys.argv.pop(0)\n-    hy.importer._import_from_path('__main__', sys.argv[0])\n-    sys.exit(0)  # right?\n+sys.exit(hy_main())\n", "issue": "Run REPL using `python -m hy`\nFiguring out how to get a REPL is not trivial. What do you think about making `python -m hy` do it?\n", "before_files": [{"content": "import hy  # NOQA\nimport sys\n\n# This just mocks the normalish behavior of the Python interp. Helpful to aid\n# with shimming existing apps that don't really \"work\" with Hy.\n#\n# You could say this script helps Hyjack a file.\n#\n\n\nif len(sys.argv) > 1:\n    sys.argv.pop(0)\n    hy.importer._import_from_path('__main__', sys.argv[0])\n    sys.exit(0)  # right?\n", "path": "hy/__main__.py"}]}