New python versions with more checks.

Author: Lattyware

.gitignore

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+/.idea/
+/venv/
+
+__pycache__
+.pyc

hooks/delegate.py

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+#!/usr/bin/env python3
+
+import sys
+import os
+from contextlib import suppress
+
+from natsort import natsorted
+import envoy
+try:
+    import colorama
+except ImportError:
+    colorama = None
+
+# Possible git hooks. (from http://githooks.com/)
+GIT_HOOKS = """\
+applypatch-msg
+pre-applypatch
+post-applypatch
+pre-commit
+prepare-commit-msg
+commit-msg
+post-commit
+pre-rebase
+post-checkout
+post-merge
+pre-receive
+update
+post-receive
+post-update
+pre-auto-gc
+post-rewrite
+pre-push""".split("\n")
+
+BULLET_POINTS = "*-+=#~"
+
+PASS = " ✓ PASS"
+WARN = " ! WARN"
+FAIL = " ✗ FAIL"
+
+
+def bullet(depth):
+    return BULLET_POINTS[depth % len(BULLET_POINTS)]
+
+
+def title(name):
+    return " ".join(name.split("-")[1:]).capitalize() + "."
+
+
+def print_item(prefix, depth, name, state, suffix):
+    point = bullet(depth)
+    spaces = " " * (depth * 4)
+    print("{}{} {} {:<60} {}{}".format(
+        prefix, spaces, point, title(name), state, suffix))
+
+
+def indent(text, depth):
+    padding = " " * (depth * 4)
+    return padding + "\n{0}".format(padding).join(text.split("\n")).rstrip()
+
+
+if __name__ == "__main__":
+    if colorama:
+        colorama.init()
+
+    script_path = os.path.dirname(os.path.realpath(__file__))
+
+    hook = os.path.basename(sys.argv[0])
+    if hook not in GIT_HOOKS:
+        print("This script must be run as a hook.", file=sys.stderr)
+        sys.exit(2)
+
+    fail = False
+
+    print(" {0} {1} hooks".format(bullet(0), hook.capitalize()))
+
+    fail_prefix = ""
+    warn_prefix = ""
+    pass_prefix = ""
+    suffix = ""
+    if colorama:
+        fail_prefix = colorama.Fore.RED
+        warn_prefix = colorama.Fore.YELLOW
+        pass_prefix = colorama.Fore.GREEN
+        suffix = colorama.Style.RESET_ALL
+
+    scripts_path = os.path.join(script_path, hook + ".d")
+    for subdir, dirs, files in natsorted(os.walk(scripts_path)):
+        groups = os.path.relpath(subdir, scripts_path).split(os.path.sep)
+        if any(not group[0].isdigit() for group in groups):
+            continue
+        depth = len(groups)
+        if files and depth > 0:
+            print_item("", depth, groups[-1], "", "")
+        for filename in natsorted(files):
+            if not filename[0].isdigit():
+                continue
+            path = os.path.join(subdir, filename)
+            file_depth = depth + 1
+            result = envoy.run(path, timeout=2)
+            out_depth = file_depth + 1
+            out = indent(result.std_out, out_depth) if result.std_out else None
+            err = indent(result.std_err, out_depth) if result.std_err else None
+            if result.status_code:
+                fail = True
+                print_item(fail_prefix, file_depth, filename, FAIL, suffix)
+                if err:
+                    print(fail_prefix + err + suffix)
+                if out:
+                    print(fail_prefix + out + suffix)
+            else:
+                if not err:
+                    print_item(pass_prefix, file_depth, filename, PASS, suffix)
+                else:
+                    print_item(warn_prefix, file_depth, filename, WARN, suffix)
+                if err:
+                    print(warn_prefix + err + suffix)
+                if out:
+                    if not err:
+                        print(out)
+                    else:
+                        print(warn_prefix + out + suffix)
+
+    if fail:
+        sys.exit(1)
+    else:
+        sys.exit(0)

hooks/post-checkout

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+#!/usr/bin/env python3
+
+import sys
+
+from metadata import *
+
+PROBLEM = "'{}.meta' has been added but the asset it is for is missing."
+FIX = "To fix, add '{0}' or do not add '{0}.meta'."
+
+if __name__ == "__main__":
+    added_assets = set()
+    added_metadata = set()
+
+    for path, _ in staged_paths(change_type="A"):
+        if path.startswith(ASSETS_DIR):
+            if path.endswith(META_EXT):
+                added_metadata.add(path[:-len(META_EXT)])
+            else:
+                added_assets.add(path)
+
+    missing_metadata = added_metadata - added_assets
+
+    for path in missing_metadata:
+        print(PROBLEM.format(path), file=sys.stderr)
+        print(FIX.format(path), file=sys.stderr)
+
+    if missing_metadata:
+        sys.exit(1)

hooks/post-merge

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+#!/usr/bin/env python3
+
+import sys
+
+from metadata import *
+
+PROBLEM = "'{}' has been added but its metadata file is missing."
+FIX = "To fix, add '{0}.meta' or do not add '{0}'."
+
+if __name__ == "__main__":
+    added_assets = set()
+    added_metadata = set()
+
+    for path, _ in staged_paths(change_type="A"):
+        if path.startswith(ASSETS_DIR):
+            if path.endswith(META_EXT):
+                added_metadata.add(path[:-len(META_EXT)])
+            else:
+                added_assets.add(path)
+
+    missing_metadata = added_assets - added_metadata
+
+    for path in missing_metadata:
+        print(PROBLEM.format(path), file=sys.stderr)
+        print(FIX.format(path), file=sys.stderr)
+
+    if missing_metadata:
+        sys.exit(1)

hooks/pre-commit

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+#!/usr/bin/env python3
+
+import sys
+
+from metadata import *
+
+PROBLEM = "'{}' has been deleted but its metadata file has not."
+FIX = "To fix, delete '{0}.meta' or do not delete '{0}'."
+
+if __name__ == "__main__":
+    deleted_assets = set()
+    deleted_metadata = set()
+
+    for path, _ in staged_paths(change_type="D"):
+        if path.startswith(ASSETS_DIR):
+            if path.endswith(META_EXT):
+                deleted_metadata.add(path[:-len(META_EXT)])
+            else:
+                deleted_assets.add(path)
+
+    redundant_metadata = deleted_assets - deleted_metadata
+
+    for path in redundant_metadata:
+        print(PROBLEM.format(path), file=sys.stderr)
+        print(FIX.format(path), file=sys.stderr)
+
+    if redundant_metadata:
+        sys.exit(1)