From cb77d0eb623c7a398ca86a632d0ea37ac385cc3d Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Wed, 15 Apr 2020 14:45:32 -0700
Subject: Add lint script

---
 lint    | 45 +++++++++++++++++++++++++++++++++++++++++++++
 turnkey |  1 +
 2 files changed, 46 insertions(+)
 create mode 100755 lint

diff --git a/lint b/lint
new file mode 100755
index 0000000..a69b424
--- /dev/null
+++ b/lint
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+import os
+import glob
+import subprocess
+import sys
+
+
+def run(cmd, f):
+    global ERRORS
+    args = {
+        "ormolu": ["--mode", "check"],
+        "hlint": [],
+        "black": ["--quiet", "--check"],
+        "pylint": [],
+    }
+    ret = subprocess.run([cmd, *args[cmd], f], stdout=subprocess.PIPE)
+    if ret.returncode != 0:
+        ERRORS += 1
+        msg = ret.stdout.decode("utf-8").strip()
+        print(f"lint error: {cmd} on {f}")
+        if msg:
+            print(msg)
+
+
+def find_files(bizroot, extensions):
+    ret = {k: [] for k in extensions}
+    for root, dirs, files in os.walk(bizroot, topdown=True):
+        (dirs.remove(d) for d in dirs if d.startswith(("_", ".")))
+        for ext in extensions:
+            for f in files:
+                if f.endswith(ext):
+                    ret[ext].append(os.path.join(root, f))
+    return ret
+
+
+if __name__ == "__main__":
+    ERRORS = 0
+    files = find_files(os.getenv("BIZ_ROOT"), [".hs", ".py"])
+    for hs in files[".hs"]:
+        run("ormolu", hs)
+        run("hlint", hs)
+    for py in files[".py"]:
+        run("black", py)
+        run("pylint", py)
+    sys.exit(ERRORS)
diff --git a/turnkey b/turnkey
index 7b13332..5330ec4 100755
--- a/turnkey
+++ b/turnkey
@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 set -ex
+lint
 stuff=(
   Biz.Cloud
   Biz.Dev
-- 
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